Best Time to See Tree Frogs in Colorado
May, April and June is the best time to see tree frogs in Colorado. Based on 1,412 verified iNaturalist observations, here is exactly when tree frogs 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 28, 2026.
Canyon Tree Frog · Anders Hastings CC BY
Boreal Chorus Frog · Matthew Cozart CC BY-ND
Canyon Tree Frog · Public domain CC0
1,412 verified observations of tree frogs in Colorado, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in Colorado
Peak month
May
367 records (26% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.1% |
| February | 1 | 0.1% |
| March | 35 | 2.5% |
| Aprilpeak | 310 | 22% |
| Maypeak | 367 | 26% |
| Junepeak | 252 | 17.8% |
| July | 166 | 11.8% |
| August | 187 | 13.2% |
| September | 62 | 4.4% |
| October | 16 | 1.1% |
| November | 10 | 0.7% |
| December | 5 | 0.4% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Boreal Chorus Frog | 1,357 |
| Canyon Tree Frog | 45 |
| Cuban Tree Frog | 4 |
| Pacific chorus frog | 2 |
| Green Treefrog | 1 |
Weather to expect, source Open-Meteo
Typical weather in Colorado
Recent typical conditions by month, so you can plan a trip around both when tree frogs are active and what the weather is doing. The best months to look for tree frogs sit around 20 to 69 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" |
| Aprbest time | 46°F | 20°F | 1.1" |
| Maybest time | 57°F | 31°F | 2.5" |
| Junbest time | 69°F | 42°F | 2.1" |
| Jul | 76°F | 49°F | 2.5" |
| Aug | 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 tree frogs in Colorado:
Sightings of tree frogs in Colorado peak in May, when 367 of the year's 1,412 verified observations are logged — about 26% of the annual total. Activity stays high through May, April and June.
The quietest stretch is January and February, when tree frogs are hardest to find — January sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The tree frogs you are most likely to encounter in Colorado are Boreal Chorus Frog, Canyon Tree Frog and Cuban Tree Frog — 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 tree frogs 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
Frequently asked questions
What is the best month to see tree frogs in Colorado?+
May is the single best month, and the broader peak window runs through May, April and June, based on 1,412 verified iNaturalist observations.
When are tree frogs hardest to see in Colorado?+
January is the quietest month for tree frogs in Colorado, with only 1 verified records.
Are tree frogs active year-round in Colorado?+
Tree frogs are recorded in 12 of 12 months in Colorado, so they can be seen year-round, with a clear peak in May.
More places to see tree frogs
More wildlife in Colorado