Best Time to See Frogs in Montana
August, July and June is the best time to see frogs in Montana. Based on 2,585 verified iNaturalist observations, here is exactly when 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.
Columbia Spotted Frog · Hugo Innes CC BY
American Bullfrog · Cole Wolf CC BY
Northern Leopard Frog · Matt D'Agrosa CC BY
2,585 verified observations of frogs in Montana, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Montana
Peak month
August
662 records (25.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 0.1% |
| February | 2 | 0.1% |
| March | 9 | 0.3% |
| April | 58 | 2.2% |
| May | 270 | 10.4% |
| Junepeak | 568 | 22% |
| Julypeak | 646 | 25% |
| Augustpeak | 662 | 25.6% |
| September | 327 | 12.6% |
| October | 35 | 1.4% |
| November | 5 | 0.2% |
| December | 1 | 0% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Columbia Spotted Frog | 811 |
| Western Toad | 781 |
| Woodhouse's Toad | 254 |
| Northern Leopard Frog | 245 |
| Great Plains Toad | 128 |
| Rocky Mountain Tailed Frog | 107 |
| Boreal Chorus Frog | 106 |
| American Bullfrog | 53 |
Weather to expect, source Open-Meteo
Typical weather in Montana
Recent typical conditions by month, so you can plan a trip around both when frogs are active and what the weather is doing. The best months to look for frogs sit around 47 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" |
| May | 53°F | 36°F | 3.5" |
| Junbest time | 65°F | 47°F | 3.2" |
| Julbest time | 75°F | 55°F | 2" |
| Augbest time | 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 frogs in Montana:
Sightings of frogs in Montana peak in August, when 662 of the year's 2,585 verified observations are logged — about 25.6% of the annual total. Activity stays high through August, July and June.
The quietest stretch is December, when frogs are hardest to find — December sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The frogs you are most likely to encounter in Montana are Columbia Spotted Frog, Western Toad and Woodhouse's Toad — 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 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
Gear to see them
Frequently asked questions
What is the best month to see frogs in Montana?+
August is the single best month, and the broader peak window runs through August, July and June, based on 2,585 verified iNaturalist observations.
When are frogs hardest to see in Montana?+
December is the quietest month for frogs in Montana, with only 1 verified records.
Are frogs active year-round in Montana?+
Frogs are recorded in 12 of 12 months in Montana, so they can be seen year-round, with a clear peak in August.
More places to see frogs
More wildlife in Montana