Frogs in Pennsylvania in May
Yes, May is one of the best months to see frogs in Pennsylvania. It is the 1st busiest month of the year, with 7,943 of the 42,034 sightings logged across the year (18.9%), 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 Pennsylvania
18.9%
of yearly sightings
7,943
records in May
#1
busiest month of 12
42,034
verified records a year
April 12.5%, May 18.9%, June 18.5%. Busiest month is May at 18.9%.
42,034 verified observations of frogs in Pennsylvania, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in Pennsylvania
Peak month
May
7,943 records (18.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 55 | 0.1% |
| February | 163 | 0.4% |
| March | 3,323 | 7.9% |
| April | 5,240 | 12.5% |
| Maypeak | 7,943 | 18.9% |
| Junepeak | 7,775 | 18.5% |
| Julypeak | 5,662 | 13.5% |
| August | 5,038 | 12% |
| September | 4,953 | 11.8% |
| October | 1,561 | 3.7% |
| November | 243 | 0.6% |
| December | 78 | 0.2% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 14,885 |
| Green Frog | 7,685 |
| American Bullfrog | 4,206 |
| Wood Frog | 3,524 |
| Pickerel Frog | 2,916 |
| Spring Peeper | 2,664 |
| Gray Treefrog | 2,489 |
| Fowler's Toad | 635 |
In Pennsylvania, May carries 18.9% of the year's frogs sightings, about 10.6 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from April (12.5%) into May, and it heads toward June (18.5%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.
The frogs most often recorded in Pennsylvania are American Toad, Green Frog and American Bullfrog. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.
Which frogs you are most likely to see
- American Toad14,885 records
- Green Frog7,685 records
- American Bullfrog4,206 records
- Wood Frog3,524 records
- Pickerel Frog2,916 records
- Spring Peeper2,664 records
Plan your frog trip in Pennsylvania
Start with live tours near Appalachian National Scenic Trail, 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 Pennsylvania in May?+
Yes. May accounts for 7,943 of the 42,034 verified frogs sightings logged in Pennsylvania across the year, which is 18.9% of the annual total.
Is May a good time to see frogs in Pennsylvania?+
May is one of the best months. It ranks 1st of the year and sits inside the peak window of May, June and July.
What month is best for frogs in Pennsylvania?+
May is the single busiest month, with the broader peak running through May, June and July, based on 42,034 verified observations.
Which frogs are you most likely to see in Pennsylvania?+
The most-recorded species in Pennsylvania are American Toad, Green Frog and American Bullfrog, based on all-time iNaturalist counts.
See frogs in Pennsylvania in other months
More wildlife in Pennsylvania