Best Time to See Frogs in Michigan
July, June and August is the best time to see frogs in Michigan. Based on 34,478 verified iNaturalist observations, here is exactly when frogs are most active across the year in Michigan.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Green Frog · Alan Rockefeller CC BY

Spring Peeper · Public domain CC0

American Bullfrog · Ashley Darst CC BY
34,478 verified observations of frogs in Michigan, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Michigan
Peak month
July
6,538 records (19% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 18 | 0.1% |
| February | 53 | 0.2% |
| March | 857 | 2.5% |
| April | 3,085 | 8.9% |
| May | 5,408 | 15.7% |
| Junepeak | 6,482 | 18.8% |
| Julypeak | 6,538 | 19% |
| Augustpeak | 5,926 | 17.2% |
| September | 4,601 | 13.3% |
| October | 1,287 | 3.7% |
| November | 180 | 0.5% |
| December | 43 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 9,445 |
| Green Frog | 7,580 |
| Gray Treefrog | 3,306 |
| Wood Frog | 3,161 |
| Spring Peeper | 3,070 |
| Northern Leopard Frog | 2,344 |
| American Bullfrog | 1,531 |
| Western Chorus Frog | 328 |
Weather to expect, source Open-Meteo
Typical weather in Michigan
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 55 to 80 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 16°F | 2.3" |
| Feb | 28°F | 13°F | 2.4" |
| Mar | 40°F | 23°F | 3" |
| Apr | 51°F | 33°F | 2.8" |
| May | 65°F | 45°F | 3.7" |
| Junbest time | 76°F | 55°F | 2.8" |
| Julbest time | 80°F | 61°F | 3.6" |
| Augbest time | 77°F | 59°F | 3.3" |
| Sep | 69°F | 53°F | 3.4" |
| Oct | 55°F | 42°F | 4.7" |
| Nov | 42°F | 30°F | 2.5" |
| Dec | 34°F | 23°F | 2.7" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Michigan. Weather varies year to year, so treat these as a guide.
More on frogs in Michigan:
Sightings of frogs in Michigan peak in July, when 6,538 of the year's 34,478 verified observations are logged — about 19% of the annual total. Activity stays high through July, June and August.
The quietest stretch is January, when frogs are hardest to find — January sees just 18 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 Michigan are American Toad, Green Frog and Gray Treefrog — 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 Michigan
- Isle Royale National Park — National Park
- North Country National Scenic Trail — National Scenic Trail
- Pictured Rocks National Lakeshore — National Lakeshore
- River Raisin National Battlefield Park — National Battlefield Park
- Sleeping Bear Dunes National Lakeshore — National Lakeshore
- Keweenaw National Historical Park — National Historical Park
Gear to see them
Frequently asked questions
What is the best month to see frogs in Michigan?+
July is the single best month, and the broader peak window runs through July, June and August, based on 34,478 verified iNaturalist observations.
When are frogs hardest to see in Michigan?+
January is the quietest month for frogs in Michigan, with only 18 verified records.
Are frogs active year-round in Michigan?+
Frogs are recorded in 12 of 12 months in Michigan, so they can be seen year-round, with a clear peak in July.
More places to see frogs
More wildlife in Michigan