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.
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 |
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
Plan your tree frog trip in Colorado
Start with live tours near Bent's Old Fort National Historic Site, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Bent's Old Fort National Historic Site
Use the live GetYourGuide widget to compare local departures and activity styles close to the main tree frog viewing area.
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Stay nearbyStay near Bent's Old Fort National Historic Site
Compare hotels, cabins and lodges close to the best tree frog viewing area in Colorado.
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Broader backupBook a tree frog tour in Colorado
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
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