JANUARY
- National Western Stock Show (Denver) - Jan 10-25
- Ullr Fest (Breckenridge) - Jan 11-17
- Winter Festival (Estes Park) - Jan 16-19
- Martin Luther King Marade (March + Parade) (Denver) - Jan 19
- X Games (Aspen) Jan 22-25
- International Snow Sculpture Championships (Breckenridge) - Jan 27-31
- Steampunk Snowdown (Durango) - Jan 28-Feb 1
FEBRUARY
- Annual Chocolate Affair (Arvada) - Feb 7
- Annual Winter Carnival (Grand Lake) - Feb 7
- Carnivale Parade (Manitou Springs) - Feb 14
- Chinese New Year Celebration (Denver) - Feb 21
- Colorado Baby & Kidz Expo (Denver) - Feb 21
MARCH
- Durango Celtic Festival (Durango) - March 12-15
- Frozen Dead Guy Days (Nederland) - Mar 13-15
- St. Patrick's Day Parade (Colorado Springs) - Mar 14
- St. Patrick's Day Parade (Denver) - March 14
- March PowWow (Denver) - Mar 20-22
APRIL
- Annual Kite Festival (Arvada) - Apr 12
- Schneetag (Aspen) - Apr 12
- Tulip Fairy and Elf Parade (Boulder) - April 26
MAY
- Cinco de Mayo Festival (Denver) - May 2-3
- Mike the Headless Chicken Festival (Fruita) - May 15-16
- Music Arts Festival (Highlands Ranch) - May 16-17
- Paddlefest (Buena Vista) - May 22-25
JUNE
- Boats, Bands, & BBQ (Pueblo) - Jun 5-6
- Colorado Medieval Festival (Loveland) - Jun 5-7
- KidSpree (Aurora) - Jun 6
- Meekerpalooza Arts & Music Festival (Meeker) - Jun 6
- Denver Chalk Art Festival (Denver) - Jun 6-7
- Capitol Hill People's Fair (Denver) - Jun 6-7
- Boulder Jewish Festival (Boulder) - Jun 7
- Parker Days (Parker) - Jun 12-14
- Colorado Renaissance Festival (Larkspur) - Jun 13-Aug 2
- Huck Finn Days (Manitou Springs) - Jun 14
- Strawberry Days Festival (Glenwood Springs) - Jun 19-21
- Highlands Square Street Fair (Denver) - Jun 20
- Greeley Stampede (Greeley) - Jun 25-Jul 5
- Scandinavian Midsummer Festival (Estes Park) - Jun 27-28
- Donkey Derby Days (Cripple Creek) - Jun 27-28
- Colorado Music Festival (Boulder) - TBD
- Cherry Blossom Festival (Denver) - TBD
- The Greek Festival (Denver) - TBD
- Juneteenth Music Festival (Denver) - TBD
JULY
- Cowboys' Roundup Days (Steamboat Springs) - Jul 2-5
- Rooftop Rodeo (Estes Park) - Jul 6-12
- Pikes Peak or Bust Rodeo (Colorado Springs) - Jul 8-11
- Colorado Irish Festival (Littleton) - Jul 10-12
- Hot Air Balloon Rodeo and Art in the Park (Steamboat Springs) - Jul 11-12
- Colorado Dragon Boat Festival (Denver) - Jul 18-19
- National Little Britches Rodeo Finals (Pueblo) - Jul 20-25
- Buffalo Bill Days (Golden) - Jul 22-26
- Arapahoe County Fair (Aurora) - Jul 23-26
- Elbert County Fair (Kiowa) - Jul 28-Aug 2
- Weld County Fair (Greeley) - Jul 29-Aug 3
- Colorado Black Arts Festival (Denver) - TBD
- Paonia Cherry Days (Paonia) - TBD
AUGUST
- Adams County Fair and Rodeo (Brighton) - Aug 5-9
- Douglas County Fair and Rodeo (Castle Rock) - Aug 6-9
- Boom Days (Leadville) - Aug 7-9
- Western Welcome Week (Littleton) - Aug 7-16
- Palisade Peach Fest (Palisade) - Aug 13-16
- Lafayette Peach Festival (Lafayette) - Aug 15
- Colorado State Fair (Pueblo) - Aug 28-Sep 7
- A Taste of Colorado (Denver) - TBD
- Boulder Asian Festival (Boulder) - TBD
- Boulder County Fair (Longmont) - TBD
- The Colorado Scottish Festival (Highlands Ranch) - TBD
- Corn Roast Festival (Loveland) - TBD
- Olathe Sweet Corn Festival (Olathe) - TBD
- Wheat Ridge Carnation Festival (Wheat Ridge) - TBD
SEPTEMBER
- Boulder Creek Hometown Festival (Boulder) - Sep 4-7
- Scottish-Irish Highland Festival (Estes Park) - Sep 10-13
- Arvada Harvest Festival (Arvada) - Sep 11-13
- Snowmass Balloon Festival (Aspen) - Sep 18-20
- Colorfest Balloon Rally (Pagosa Springs) - Sep 18-20
- Oktoberfest (Denver) - Sep 19-20 & 26-27
OCTOBER
- Emma Crawford Coffin Races (Manitou Springs) - Oct 24
- Anderson Farms Fall Festival (Erie) - TBD
- Cottonwood Farm Pumpkin Patch (Boulder) - TBD
- Denver Botanic Gardens Pumpkin Festival (Littleton) - TBD
- Harvest Farms Fall Festival (Wellington) - TBD
- Mile High Farms Fall Into Fun (Bennett) - TBD
- Miller Farms Fall Harvest Festival (Platteville) - TBD
- Rocky Mountain Pumpkin Ranch Fall Festival (Longmont) - TBD
NOVEMBER
- Georgetown Bighorn Sheep Festival (Georgetown) - TBD
- Creede Chocolate Festival (Creede) - TBD
DECEMBER
- Lights of December Parade (Boulder) - Dec 5
- Olde Golden Christmas on Parade (Golden) - TBD
- Parade of Lights (Denver) - Dec 4-5