Best Time to See Hummingbirds in Colorado
July, August and June is the best time to see hummingbirds in Colorado. Based on 8,134 verified iNaturalist observations, here is exactly when hummingbirds are most active across the year in Colorado.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 30, 2026.
Broad-tailed Hummingbird · Bob Walker CC BY
Rufous Hummingbird · Reid Hardin CC BY
Broad-tailed Hummingbird · Kent Miller CC BY-ND
8,134 verified observations of hummingbirds in Colorado, recorded across 11 months of the year on iNaturalist.
When hummingbirds are recorded in Colorado
Peak month
July
2,372 records (29.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 1 | 0% |
| March | 10 | 0.1% |
| April | 170 | 2.1% |
| May | 1,348 | 16.6% |
| Junepeak | 1,531 | 18.8% |
| Julypeak | 2,372 | 29.2% |
| Augustpeak | 2,070 | 25.4% |
| September | 583 | 7.2% |
| October | 44 | 0.5% |
| November | 2 | 0% |
| December | 3 | 0% |
Hummingbirds you are most likely to see
| Species | Verified observations |
|---|---|
| Broad-tailed Hummingbird | 4,749 |
| Black-chinned Hummingbird | 1,110 |
| Rufous Hummingbird | 867 |
| Calliope Hummingbird | 318 |
| Anna's Hummingbird | 14 |
| Ruby-throated Hummingbird | 12 |
| Rivoli's Hummingbird | 4 |
| Costa's Hummingbird | 2 |
Weather to expect, source Open-Meteo
Typical weather in Colorado
Recent typical conditions by month, so you can plan a trip around both when hummingbirds are active and what the weather is doing. The best months to look for hummingbirds sit around 42 to 76 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 5°F | 0.5" |
| Feb | 27°F | 3°F | 0.9" |
| Mar | 34°F | 9°F | 1.3" |
| Apr | 46°F | 20°F | 1.1" |
| May | 57°F | 31°F | 2.5" |
| Junbest time | 69°F | 42°F | 2.1" |
| Julbest time | 76°F | 49°F | 2.5" |
| Augbest time | 75°F | 48°F | 1.7" |
| Sep | 69°F | 41°F | 1.1" |
| Oct | 54°F | 27°F | 0.8" |
| Nov | 40°F | 18°F | 0.6" |
| Dec | 30°F | 10°F | 0.9" |
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.
More on hummingbirds in Colorado:
Sightings of hummingbirds in Colorado peak in July, when 2,372 of the year's 8,134 verified observations are logged — about 29.2% of the annual total. Activity stays high through July, August and June.
The quietest stretch is January and February, when hummingbirds are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The hummingbirds you are most likely to encounter in Colorado are Broad-tailed Hummingbird, Black-chinned Hummingbird and Rufous Hummingbird — 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 hummingbirds in Colorado
- Bent's Old Fort National Historic Site — National Historic Site
- Black Canyon Of The Gunnison National Park — National Park
- Colorado National Monument — National Monument
- Curecanti National Recreation Area — National Recreation Area
- Dinosaur National Monument — National Monument
- Great Sand Dunes National Park & Preserve — National Park & Preserve
Gear to see them
Frequently asked questions
What is the best month to see hummingbirds in Colorado?+
July is the single best month, and the broader peak window runs through July, August and June, based on 8,134 verified iNaturalist observations.
When are hummingbirds hardest to see in Colorado?+
January is the quietest month for hummingbirds in Colorado, with no verified records on iNaturalist.
Are hummingbirds active year-round in Colorado?+
Hummingbirds are recorded in 11 of 12 months in Colorado, so they can be seen year-round, with a clear peak in July.
More places to see hummingbirds
More wildlife in Colorado