Best Time to See Tree Frogs in Montana
May, June and July is the best time to see tree frogs in Montana. Based on 160 verified iNaturalist observations, here is exactly when tree frogs are most active across the year in Montana.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
160 verified observations of tree frogs in Montana, recorded across 9 months of the year on iNaturalist.
When tree frogs are recorded in Montana
Peak month
May
44 records (27.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 2 | 1.3% |
| April | 18 | 11.3% |
| Maypeak | 44 | 27.5% |
| Junepeak | 30 | 18.8% |
| Julypeak | 26 | 16.3% |
| August | 20 | 12.5% |
| September | 15 | 9.4% |
| October | 4 | 2.5% |
| November | 1 | 0.6% |
| December | 0 | 0% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Boreal Chorus Frog | 106 |
| Pacific chorus frog | 52 |
Weather to expect, source Open-Meteo
Typical weather in Montana
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 36 to 75 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29°F | 17°F | 1" |
| Feb | 22°F | 9°F | 1.5" |
| Mar | 33°F | 18°F | 1.1" |
| Apr | 40°F | 24°F | 2.3" |
| Maybest time | 53°F | 36°F | 3.5" |
| Junbest time | 65°F | 47°F | 3.2" |
| Julbest time | 75°F | 55°F | 2" |
| Aug | 74°F | 54°F | 1.7" |
| Sep | 65°F | 46°F | 2.1" |
| Oct | 46°F | 31°F | 2" |
| Nov | 36°F | 23°F | 1" |
| Dec | 30°F | 18°F | 1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Montana. Weather varies year to year, so treat these as a guide.
More on tree frogs in Montana:
Sightings of tree frogs in Montana peak in May, when 44 of the year's 160 verified observations are logged — about 27.5% of the annual total. Activity stays high through May, June and July.
The quietest stretch is January, February and December, when tree frogs 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 tree frogs you are most likely to encounter in Montana are Boreal Chorus Frog and Pacific chorus 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 Montana
- Big Hole National Battlefield — National Battlefield
- Bighorn Canyon National Recreation Area — National Recreation Area
- Grant-Kohrs Ranch National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- Nez Perce National Historical Park — National Historical Park
- Yellowstone National Park — National Park
Frequently asked questions
What is the best month to see tree frogs in Montana?+
May is the single best month, and the broader peak window runs through May, June and July, based on 160 verified iNaturalist observations.
When are tree frogs hardest to see in Montana?+
January is the quietest month for tree frogs in Montana, with no verified records on iNaturalist.
Are tree frogs active year-round in Montana?+
Tree frogs are recorded in 9 of 12 months in Montana, concentrated around May and June.
More places to see tree frogs
More wildlife in Montana