Best Time to See Frogs in Maine
August, July and June is the best time to see frogs in Maine. Based on 19,776 verified iNaturalist observations, here is exactly when frogs are most active across the year in Maine.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Pacific chorus frog · Public domain CC0

American Toad · Public domain CC0

Gray Treefrog · Fyn Kynd CC BY-SA
19,776 verified observations of frogs in Maine, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Maine
Peak month
August
4,290 records (21.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 5 | 0% |
| February | 3 | 0% |
| March | 269 | 1.4% |
| April | 2,903 | 14.7% |
| May | 2,325 | 11.8% |
| Junepeak | 3,199 | 16.2% |
| Julypeak | 3,692 | 18.7% |
| Augustpeak | 4,290 | 21.7% |
| September | 2,489 | 12.6% |
| October | 547 | 2.8% |
| November | 44 | 0.2% |
| December | 10 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Green Frog | 3,485 |
| American Toad | 3,262 |
| American Bullfrog | 2,818 |
| Wood Frog | 2,755 |
| Spring Peeper | 2,650 |
| Pickerel Frog | 1,861 |
| Gray Treefrog | 1,537 |
| Northern Leopard Frog | 549 |
Weather to expect, source Open-Meteo
Typical weather in Maine
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 54 to 80 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28°F | 11°F | 4" |
| Feb | 28°F | 11°F | 3.1" |
| Mar | 39°F | 20°F | 2.7" |
| Apr | 51°F | 32°F | 4.8" |
| May | 64°F | 43°F | 3.2" |
| Junbest time | 74°F | 54°F | 3.7" |
| Julbest time | 80°F | 62°F | 4.9" |
| Augbest time | 77°F | 60°F | 4.7" |
| Sep | 69°F | 53°F | 4.4" |
| Oct | 58°F | 43°F | 5.3" |
| Nov | 43°F | 29°F | 3.8" |
| Dec | 34°F | 20°F | 5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Maine. Weather varies year to year, so treat these as a guide.
More on frogs in Maine:
Sightings of frogs in Maine peak in August, when 4,290 of the year's 19,776 verified observations are logged — about 21.7% of the annual total. Activity stays high through August, July and June.
The quietest stretch is February, when frogs are hardest to find — February sees just 3 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 Maine are Green Frog, American Toad and American Bullfrog — 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 Maine
- Acadia National Park — National Park
- Appalachian National Scenic Trail — National Scenic Trail
- Katahdin Woods and Waters National Monument — National Monument
- Saint Croix Island International Historic Site — International Historic Site
- Frances Perkins National Monument — National Monument
- Maine Acadian Culture
Gear to see them
Frequently asked questions
What is the best month to see frogs in Maine?+
August is the single best month, and the broader peak window runs through August, July and June, based on 19,776 verified iNaturalist observations.
When are frogs hardest to see in Maine?+
February is the quietest month for frogs in Maine, with only 3 verified records.
Are frogs active year-round in Maine?+
Frogs are recorded in 12 of 12 months in Maine, so they can be seen year-round, with a clear peak in August.