Frogs in Iowa in August
Yes, August is one of the best months to see frogs in Iowa. It is the 3rd busiest month of the year, with 1,225 of the 7,644 sightings logged across the year (16%), 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 Iowa
16%
of yearly sightings
1,225
records in August
#3
busiest month of 12
7,644
verified records a year
July 15.6%, August 16%, September 15.4%. Busiest month is June at 18.4%.
7,644 verified observations of frogs in Iowa, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Iowa
Peak month
June
1,406 records (18.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 6 | 0.1% |
| February | 10 | 0.1% |
| March | 169 | 2.2% |
| April | 649 | 8.5% |
| Maypeak | 1,255 | 16.4% |
| Junepeak | 1,406 | 18.4% |
| July | 1,192 | 15.6% |
| Augustpeak | 1,225 | 16% |
| September | 1,176 | 15.4% |
| October | 486 | 6.4% |
| November | 60 | 0.8% |
| December | 10 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 1,884 |
| American Bullfrog | 1,427 |
| Northern Leopard Frog | 1,071 |
| Blanchard's Cricket Frog | 869 |
| Boreal Chorus Frog | 369 |
| Gray Treefrog | 288 |
| Green Frog | 204 |
| Woodhouse's Toad | 138 |
In Iowa, August carries 16% of the year's frogs sightings, about 7.7 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.
Activity holds steady between July and August, and it heads toward September (15.4%) 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 Iowa are American Toad, American Bullfrog 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 Toad1,884 records
- American Bullfrog1,427 records
- Northern Leopard Frog1,071 records
- Blanchard's Cricket Frog869 records
- Boreal Chorus Frog369 records
- Gray Treefrog288 records
Plan your frog trip in Iowa
Start with live tours near Effigy Mounds National Monument, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Gear to see them
Frequently asked questions
Can you see frogs in Iowa in August?+
Yes. August accounts for 1,225 of the 7,644 verified frogs sightings logged in Iowa across the year, which is 16% of the annual total.
Is August a good time to see frogs in Iowa?+
August is one of the best months. It ranks 3rd of the year and sits inside the peak window of June, May and August.
What month is best for frogs in Iowa?+
June is the single busiest month, with the broader peak running through June, May and August, based on 7,644 verified observations.
Which frogs are you most likely to see in Iowa?+
The most-recorded species in Iowa are American Toad, American Bullfrog and Northern Leopard Frog, based on all-time iNaturalist counts.
See frogs in Iowa in other months
More wildlife in Iowa