Best Time to See Great Horned Owls in Colorado

May, April and June is the best time to see great horned owls in Colorado. Based on 3,552 verified iNaturalist observations, here is exactly when great horned owls are most active across the year in Colorado.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.

Great Horned Owl photographed in Colorado

Great Horned Owl · Spencer Hurt CC BY

Great Horned Owl photographed in Colorado

Great Horned Owl · ayden CC BY

Great Horned Owl photographed in Colorado

Great Horned Owl · William Harmon CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: May, April, June

3,552 verified observations of great horned owls in Colorado, recorded across 12 months of the year on iNaturalist.

When great horned owls are recorded in Colorado

Peak month

May

610 records (17.2% of the year)

Quietest month

February

178 records

MonthObservationsShare
January2296.4%
February1785%
March2517.1%
Aprilpeak57816.3%
Maypeak61017.2%
Junepeak3289.2%
July2557.2%
August2607.3%
September2597.3%
October2256.3%
November1925.4%
December1875.3%

Great Horned Owls you are most likely to see

SpeciesVerified observations
Great Horned Owl3,552

Weather to expect, source Open-Meteo

Typical weather in Colorado

Recent typical conditions by month, so you can plan a trip around both when great horned owls are active and what the weather is doing. The best months to look for great horned owls sit around 20 to 69 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan27°F5°F0.5"
Feb27°F3°F0.9"
Mar34°F9°F1.3"
Aprbest time46°F20°F1.1"
Maybest time57°F31°F2.5"
Junbest time69°F42°F2.1"
Jul76°F49°F2.5"
Aug75°F48°F1.7"
Sep69°F41°F1.1"
Oct54°F27°F0.8"
Nov40°F18°F0.6"
Dec30°F10°F0.9"

Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Colorado. Weather varies year to year, so treat these as a guide.

Sightings of great horned owls in Colorado peak in May, when 610 of the year's 3,552 verified observations are logged — about 17.2% of the annual total. Activity stays high through May, April and June.

The quietest stretch is February, December and November, when great horned owls are hardest to find — February sees just 178 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The great horned owls you are most likely to encounter in Colorado are Great Horned Owl — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.

Where to go

Best places to see great horned owls in Colorado

  • Bent's Old Fort National Historic SiteNational Historic Site
  • Black Canyon Of The Gunnison National ParkNational Park
  • Colorado National MonumentNational Monument
  • Curecanti National Recreation AreaNational Recreation Area
  • Dinosaur National MonumentNational Monument
  • Great Sand Dunes National Park & PreserveNational Park & Preserve

Frequently asked questions

What is the best month to see great horned owls in Colorado?+

May is the single best month, and the broader peak window runs through May, April and June, based on 3,552 verified iNaturalist observations.

When are great horned owls hardest to see in Colorado?+

February is the quietest month for great horned owls in Colorado, with only 178 verified records.

Are great horned owls active year-round in Colorado?+

Great horned owls are recorded in 12 of 12 months in Colorado, so they can be seen year-round, with a clear peak in May.