Northern Colorado Events & Happenings Calendar
Browse festivals, farmers markets, rodeos, and community celebrations across 19 Front Range communities — Fort Collins, Loveland, Windsor, Greeley, Timnath, Wellington, Johnstown, Eaton, Milliken, La Salle, Mead, Longmont, Boulder, Berthoud, Firestone, Frederick, Evans, Severance, and Niwot. Filter the interactive calendar by month or city on this page. Data reviewed August 2026.
January Events in Northern Colorado
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
February Events in Northern Colorado
- Berthoud Chocolate Walk — Berthoud · Winter · Feb 7, 2026. Annual winter stroll through downtown Berthoud receiving chocolate treats from participating merchants. Berthoud area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Valentine Re-mailing Program — Loveland · Winter · February. Send a Valentine postmarked from Loveland, the Sweetheart City. 2026 deadlines: Feb 2 (international), Feb 4 (US), Feb 9 (Colorado). Loveland area guide. official site
March Events in Northern Colorado
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- St. Paddy's Festival — Wellington · Spring · Mar 14, 2026. Annual St. Patrick's Day festival on the town's official events calendar. Wellington area guide. official site
April Events in Northern Colorado
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
May Events in Northern Colorado
- Boulder Creek Festival — Boulder · Summer · May 22–25, 2026. Annual three-day free family festival at Boulder Creek with live music, a marketplace of 150+ Colorado artists, children's activities, food and beer tasting. Boulder area guide. official site
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- FoCo Food Truck Rally — Fort Collins · Summer · May–September. City of Fort Collins weekly food truck gathering in City Park — recurring 2026 season (May 12 – Sept 16). Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Greeley Farmers' Market — Greeley · Summer · May–October. Every Saturday, 8am–12noon, May–October on 7th Street north of Lincoln Park — fresh produce, local growers, handmade crafts. Greeley area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Town-Wide Garage Sale — Mead · Spring · May. Annual town-wide garage sale — recurring spring event. Mead area guide. official site
- Niwot Market — Niwot · Summer · May–October. Sunday market in downtown Niwot — local food and artisans in Boulder County. Niwot area guide. official site
- Ice Cream Social — Timnath · Summer · May 16, 2026. Community ice cream social at Timnath Community Park. Timnath area guide. official site
June Events in Northern Colorado
- The Berthoud Market at Town Park — Berthoud · Summer · June–September. Weekly Saturday market with local produce, handmade goods, artisan crafts, live music and kids' crafts — 9am–1pm, June 13 – Sept 26, 2026. Berthoud area guide. official site
- Berthoud Day — Berthoud · Summer · June. Annual town celebration with parade and community events. Berthoud area guide. official site
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- Bands on the Bricks — Boulder · Summer · June–July. Free weekly outdoor concert series on the Pearl Street Mall — Wednesdays, June 10 – July 29. Boulder area guide. official site
- Colorado Shakespeare Festival — Boulder · Summer · June–August. Professional Shakespeare festival presented by CU Presents at the Mary Rippon Theatre — 2026 season features Twelfth Night, Julius Caesar and Shakespeare in Love. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- FoCo Food Truck Rally — Fort Collins · Summer · May–September. City of Fort Collins weekly food truck gathering in City Park — recurring 2026 season (May 12 – Sept 16). Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Greeley Stampede — Greeley · Summer · Jun 24 – Jul 5, 2026. Signature summer festival at Island Grove Regional Park: PRCA ProRodeo series, SuperStars concerts, carnival, demolition derby and 4th of July events. Greeley area guide. official site
- Greeley Farmers' Market — Greeley · Summer · May–October. Every Saturday, 8am–12noon, May–October on 7th Street north of Lincoln Park — fresh produce, local growers, handmade crafts. Greeley area guide. official site
- BBQ Day — Johnstown · Summer · Jun 6, 2026. Johnstown's biggest annual celebration: pancake breakfast, 5K, parade, car show, food, music and fireworks. Johnstown area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Free Shredding Event — Mead · Summer · June. Free document shredding event hosted by the Mead Police Department with TBK Bank. Mead area guide. official site
- 2nd Avenue Summer Concert Series — Niwot · Summer · June–August. The House Blend Band and more perform in Niwot's 2nd Avenue Summer Concert Series — free outdoor concerts. Niwot area guide. official site
- Niwot Market — Niwot · Summer · May–October. Sunday market in downtown Niwot — local food and artisans in Boulder County. Niwot area guide. official site
- Colorado Brewers' Festival — Northern Colorado · Summer · June. Fort Collins celebrates its craft brewing heritage with tastings from Colorado breweries in Civic Center Park. Northern Colorado. official site
- Town Yard Sale — Wellington · Summer · Jun 6, 2026. Annual town-wide yard sale on the official town events calendar. Wellington area guide. official site
- Summer Concert Series — Windsor · Summer · June–August. Free Thursday evening concerts at Boardwalk Community Park featuring local bands and national acts — 2026 season on the town calendar. Windsor area guide. official site
- Movies in the Park — Windsor · Summer · June–August. Free family movies at dusk in Windsor parks (Boardwalk Community Park), including a National Night Out edition Aug 4. Windsor area guide. official site
- Windsor Farmers Market — Windsor · Summer · June–August. Outdoor market at Boardwalk Community Park with seasonal foods, baked goods, local vendors and live entertainment, including Art LIVE! demos. Windsor area guide. official site
July Events in Northern Colorado
- The Berthoud Market at Town Park — Berthoud · Summer · June–September. Weekly Saturday market with local produce, handmade goods, artisan crafts, live music and kids' crafts — 9am–1pm, June 13 – Sept 26, 2026. Berthoud area guide. official site
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- Bands on the Bricks — Boulder · Summer · June–July. Free weekly outdoor concert series on the Pearl Street Mall — Wednesdays, June 10 – July 29. Boulder area guide. official site
- Colorado Shakespeare Festival — Boulder · Summer · June–August. Professional Shakespeare festival presented by CU Presents at the Mary Rippon Theatre — 2026 season features Twelfth Night, Julius Caesar and Shakespeare in Love. Boulder area guide. official site
- Eaton Days — Eaton · Summer · July. Annual full weekend of family fun including a talent show — recurring mid-July event. Eaton area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- FoCo Food Truck Rally — Fort Collins · Summer · May–September. City of Fort Collins weekly food truck gathering in City Park — recurring 2026 season (May 12 – Sept 16). Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Fort Collins Foodie Walk — Fort Collins · Summer · Aug 21, 2026. Downtown Fort Collins tasting walk sampling bites from local restaurants. Fort Collins area guide. official site
- Greeley Stampede — Greeley · Summer · Jun 24 – Jul 5, 2026. Signature summer festival at Island Grove Regional Park: PRCA ProRodeo series, SuperStars concerts, carnival, demolition derby and 4th of July events. Greeley area guide. official site
- Greeley Arts Picnic — Greeley · Summer · Jul 25–26, 2026. 47th annual Arts Picnic weekend in Lincoln Park, Downtown Greeley — artists, musicians, performers, kids' crafts and more. Greeley area guide. official site
- Greeley Farmers' Market — Greeley · Summer · May–October. Every Saturday, 8am–12noon, May–October on 7th Street north of Lincoln Park — fresh produce, local growers, handmade crafts. Greeley area guide. official site
- LaSalle Days — La Salle · Summer · Jul 17–18, 2026. 45th annual LaSalle Days — "American Heart, Hometown Soul." Parade, vendor booths, horseshoe and cornhole tournaments and Toni's Trot. La Salle area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- Independence Day Festival at Roosevelt Park — Longmont · Summer · Jul 3–4, 2026. Longmont's signature summer music festival transitions in 2026 to a two-day Independence Day festival with live music, food, fireworks and a drone show. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- 2nd Avenue Summer Concert Series — Niwot · Summer · June–August. The House Blend Band and more perform in Niwot's 2nd Avenue Summer Concert Series — free outdoor concerts. Niwot area guide. official site
- Niwot Market — Niwot · Summer · May–October. Sunday market in downtown Niwot — local food and artisans in Boulder County. Niwot area guide. official site
- Timnath 4th of July Celebration — Timnath · Summer · Jul 4, 2026. One of Colorado's most spectacular fireworks shows, 6–10pm July 4 at Timnath Reservoir. Timnath area guide. official site
- Fourth of July Celebration — Wellington · Summer · Jul 4, 2026. Annual town Fourth of July celebration — one of the town's official volunteer-run special events. Wellington area guide. official site
- Summer Concert Series — Windsor · Summer · June–August. Free Thursday evening concerts at Boardwalk Community Park featuring local bands and national acts — 2026 season on the town calendar. Windsor area guide. official site
- Movies in the Park — Windsor · Summer · June–August. Free family movies at dusk in Windsor parks (Boardwalk Community Park), including a National Night Out edition Aug 4. Windsor area guide. official site
- Windsor Farmers Market — Windsor · Summer · June–August. Outdoor market at Boardwalk Community Park with seasonal foods, baked goods, local vendors and live entertainment, including Art LIVE! demos. Windsor area guide. official site
August Events in Northern Colorado
- The Berthoud Market at Town Park — Berthoud · Summer · June–September. Weekly Saturday market with local produce, handmade goods, artisan crafts, live music and kids' crafts — 9am–1pm, June 13 – Sept 26, 2026. Berthoud area guide. official site
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- Colorado Shakespeare Festival — Boulder · Summer · June–August. Professional Shakespeare festival presented by CU Presents at the Mary Rippon Theatre — 2026 season features Twelfth Night, Julius Caesar and Shakespeare in Love. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- FoCo Food Truck Rally — Fort Collins · Summer · May–September. City of Fort Collins weekly food truck gathering in City Park — recurring 2026 season (May 12 – Sept 16). Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Poudre RiverFest — Fort Collins · Summer · Aug 8–9, 2026. Annual river celebration hosted at New Belgium Brewing with live music, community booths and Poudre River activities. Fort Collins area guide. official site
- Fort Collins Foodie Walk — Fort Collins · Summer · Aug 21, 2026. Downtown Fort Collins tasting walk sampling bites from local restaurants. Fort Collins area guide. official site
- Tour de Fat — Fort Collins · Summer · Aug 29–30, 2026. New Belgium Brewing's bike festival and fundraiser with costumed bike parade, music and local nonprofits. Fort Collins area guide. official site
- Bohemian Nights at NewWestFest — Fort Collins · Summer · August. Free downtown festival with national and local acts, local vendors, and Old Town Fort Collins at its liveliest. Fort Collins area guide. official site
- Greeley Farmers' Market — Greeley · Summer · May–October. Every Saturday, 8am–12noon, May–October on 7th Street north of Lincoln Park — fresh produce, local growers, handmade crafts. Greeley area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Sculpture in the Park Show and Sale — Loveland · Summer · Aug 7–9, 2026. 42nd annual juried outdoor sculpture show and sale at Benson Sculpture Garden — one of the largest in the country. Loveland area guide. official site
- Old Fashioned Corn Roast Festival — Loveland · Summer · Aug 21–22, 2026. 130th annual community festival with parade, corn roast, food vendors and live entertainment in downtown Loveland. Loveland area guide. official site
- Beef 'N Bean Day — Milliken · Summer · Aug 8, 2026. Milliken's signature tradition celebrating agricultural heritage since 1923: parade through downtown, food vendors, artisan vendors, DJ glow party and family contests. Milliken area guide. official site
- 2nd Avenue Summer Concert Series — Niwot · Summer · June–August. The House Blend Band and more perform in Niwot's 2nd Avenue Summer Concert Series — free outdoor concerts. Niwot area guide. official site
- Niwot Market — Niwot · Summer · May–October. Sunday market in downtown Niwot — local food and artisans in Boulder County. Niwot area guide. official site
- Larimer County Fair & PRCA Rodeo — Northern Colorado · Summer · Jul 31 – Aug 4, 2026. Rodeo, carnival, livestock shows, and live music at The Ranch in Loveland — a Northern Colorado tradition for families. Northern Colorado. official site
- Movie Night in the Park — Timnath · Summer · Aug 7, 2026. Outdoor movie at WildWing Park, starting at sundown — Zootopia 2 in 2026. Timnath area guide. official site
- Summer Concert Series — Windsor · Summer · June–August. Free Thursday evening concerts at Boardwalk Community Park featuring local bands and national acts — 2026 season on the town calendar. Windsor area guide. official site
- Movies in the Park — Windsor · Summer · June–August. Free family movies at dusk in Windsor parks (Boardwalk Community Park), including a National Night Out edition Aug 4. Windsor area guide. official site
- Windsor Farmers Market — Windsor · Summer · June–August. Outdoor market at Boardwalk Community Park with seasonal foods, baked goods, local vendors and live entertainment, including Art LIVE! demos. Windsor area guide. official site
September Events in Northern Colorado
- The Berthoud Market at Town Park — Berthoud · Summer · June–September. Weekly Saturday market with local produce, handmade goods, artisan crafts, live music and kids' crafts — 9am–1pm, June 13 – Sept 26, 2026. Berthoud area guide. official site
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- FoCo Food Truck Rally — Fort Collins · Summer · May–September. City of Fort Collins weekly food truck gathering in City Park — recurring 2026 season (May 12 – Sept 16). Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Taste of Fort Collins — Fort Collins · Fall · Sept 26–27, 2026. Music and food festival at Washington Park with national headliners, food and business vendors. Fort Collins area guide. official site
- Greeley Farmers' Market — Greeley · Summer · May–October. Every Saturday, 8am–12noon, May–October on 7th Street north of Lincoln Park — fresh produce, local growers, handmade crafts. Greeley area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Honeybee Harvest Festival — Niwot · Fall · September. Niwot's annual harvest festival with local food, crafts, music and community celebration. Niwot area guide. official site
- Niwot Market — Niwot · Summer · May–October. Sunday market in downtown Niwot — local food and artisans in Boulder County. Niwot area guide. official site
- Fall Festival — Timnath · Fall · Sep 26, 2026. Town of Timnath Fall Festival at Timnath Community Park. Timnath area guide. official site
- Windsor Harvest Festival — Windsor · Fall · September. Windsor's signature autumn celebration with parade, carnival, live music and community events. Windsor area guide. official site
October Events in Northern Colorado
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Greeley Farmers' Market — Greeley · Summer · May–October. Every Saturday, 8am–12noon, May–October on 7th Street north of Lincoln Park — fresh produce, local growers, handmade crafts. Greeley area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Niwot Market — Niwot · Summer · May–October. Sunday market in downtown Niwot — local food and artisans in Boulder County. Niwot area guide. official site
- Trick or Treat on Main Street — Wellington · Fall · Oct 31, 2026. Downtown trick-or-treating on Main Street in support of Main Street Wellington. Wellington area guide. official site
November Events in Northern Colorado
- Boulder County Farmers Market — Boulder · Spring–Fall · April–November. Downtown Boulder farmers market on 13th Street — Wednesdays through Oct 7 and Saturdays through Nov 21. Boulder area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- Larimer County Farmers' Market — Fort Collins · Spring–Fall · May–November. Weekly farmers market downtown Fort Collins — confirmed 2026 season May 16 – Nov 1. Fort Collins area guide. official site
- Festival of Trees — Greeley · Winter · Nov 27 – Dec 5, 2026. 37th annual winter holiday event with decorated trees at the Union Colony Civic Center. Greeley area guide. official site
- Longmont Farmers Market — Longmont · Spring–Fall · April–November. Weekly Saturday farmers market at the Boulder County Fairgrounds, 9595 Nelson Rd — 2026 market runs May 9 – Nov 21. Longmont area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
December Events in Northern Colorado
- Holiday Splendor at the A.J. Eaton Home — Eaton · Winter · December. Holiday-season event at Eaton's historic A.J. Eaton Home and Carriage House Museum. Eaton area guide. official site
- First Friday Art Walk — Fort Collins · Year-round · January–December. Monthly self-guided art walk through Downtown Fort Collins galleries, studios and shops on the first Friday of each month. Fort Collins area guide. official site
- Festival of Trees — Greeley · Winter · Nov 27 – Dec 5, 2026. 37th annual winter holiday event with decorated trees at the Union Colony Civic Center. Greeley area guide. official site
- Johnstown Jingle Tree Lighting — Johnstown · Winter · December. Annual tree lighting ceremony during Johnstown Jingle in downtown Johnstown. Johnstown area guide. official site
- ArtWalk — Longmont · Multiple seasonal editions · Varies. Downtown Longmont gallery art walk promoted by the City of Longmont, with free Callahan House tours during ArtWalk. Longmont area guide. official site
- Holiday Magic — Niwot · Winter · December. Annual holiday celebration in historic downtown Niwot. Niwot area guide. official site
- Holiday Festival — Timnath · Winter · Dec 5, 2026. Annual holiday festival at Timnath Community Park. Timnath area guide. official site
- Wellington Lights: Parade of Lights — Wellington · Winter · Dec 5, 2026. Holiday lights celebration series with Small Business Saturday (Nov 28) and Parade of Lights (December 5). Wellington area guide. official site