Frogs in Wisconsin in August
Yes, August is one of the best months to see frogs in Wisconsin. It is the 2nd busiest month of the year, with 4,367 of the 22,498 sightings logged across the year (19.4%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Peak month for frogs in Wisconsin
19.4%
of yearly sightings
4,367
records in August
#2
busiest month of 12
22,498
verified records a year
July 20.3%, August 19.4%, September 12.9%. Busiest month is July at 20.3%.
22,498 verified observations of frogs in Wisconsin, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Wisconsin
Peak month
July
4,571 records (20.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 17 | 0.1% |
| February | 15 | 0.1% |
| March | 313 | 1.4% |
| April | 1,667 | 7.4% |
| May | 3,538 | 15.7% |
| Junepeak | 4,327 | 19.2% |
| Julypeak | 4,571 | 20.3% |
| Augustpeak | 4,367 | 19.4% |
| September | 2,894 | 12.9% |
| October | 689 | 3.1% |
| November | 82 | 0.4% |
| December | 18 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 6,415 |
| Green Frog | 3,847 |
| Northern Leopard Frog | 2,240 |
| Spring Peeper | 1,581 |
| American Bullfrog | 1,514 |
| Wood Frog | 1,443 |
| Gray Treefrog | 1,267 |
| Boreal Chorus Frog | 508 |
In Wisconsin, August carries 19.4% of the year's frogs sightings, about 11.1 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.
Activity holds steady between July and August, and it heads toward September (12.9%) after. This is right inside the peak window, so August is one of the surest months to plan a trip around.
The frogs most often recorded in Wisconsin are American Toad, Green Frog and Northern Leopard Frog. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.
Which frogs you are most likely to see
- American Toad6,415 records
- Green Frog3,847 records
- Northern Leopard Frog2,240 records
- Spring Peeper1,581 records
- American Bullfrog1,514 records
- Wood Frog1,443 records
Plan your frog trip in Wisconsin
Start with live tours near Apostle Islands National Lakeshore, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main frog viewing area.
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Gear to see them
Frequently asked questions
Can you see frogs in Wisconsin in August?+
Yes. August accounts for 4,367 of the 22,498 verified frogs sightings logged in Wisconsin across the year, which is 19.4% of the annual total.
Is August a good time to see frogs in Wisconsin?+
August is one of the best months. It ranks 2nd of the year and sits inside the peak window of July, August and June.
What month is best for frogs in Wisconsin?+
July is the single busiest month, with the broader peak running through July, August and June, based on 22,498 verified observations.
Which frogs are you most likely to see in Wisconsin?+
The most-recorded species in Wisconsin are American Toad, Green Frog and Northern Leopard Frog, based on all-time iNaturalist counts.
See frogs in Wisconsin in other months
More wildlife in Wisconsin