Tree Frogs in Pennsylvania in May
Yes, May is one of the best months to see tree frogs in Pennsylvania. It is the 1st busiest month of the year, with 1,064 of the 5,657 sightings logged across the year (18.8%), 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 tree frogs in Pennsylvania
18.8%
of yearly sightings
1,064
records in May
#1
busiest month of 12
5,657
verified records a year
April 15.4%, May 18.8%, June 15.3%. Busiest month is May at 18.8%.
5,657 verified observations of tree frogs in Pennsylvania, recorded across 12 months of the year on iNaturalist.
When tree frogs are recorded in Pennsylvania
Peak month
May
1,064 records (18.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 9 | 0.2% |
| February | 35 | 0.6% |
| Marchpeak | 899 | 15.9% |
| Aprilpeak | 874 | 15.4% |
| Maypeak | 1,064 | 18.8% |
| June | 866 | 15.3% |
| July | 667 | 11.8% |
| August | 494 | 8.7% |
| September | 466 | 8.2% |
| October | 219 | 3.9% |
| November | 43 | 0.8% |
| December | 21 | 0.4% |
Tree Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Spring Peeper | 2,664 |
| Gray Treefrog | 2,487 |
| Cope's Gray Tree Frog | 66 |
| Green Treefrog | 20 |
| Cuban Tree Frog | 19 |
| Mountain Chorus Frog | 16 |
| Squirrel Tree Frog | 11 |
| Northern Cricket Frog | 7 |
In Pennsylvania, May carries 18.8% of the year's tree frogs sightings, about 10.5 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 (15.4%) into May, and it heads toward June (15.3%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.
The tree frogs most often recorded in Pennsylvania are Spring Peeper, Gray Treefrog and Cope's Gray Tree Frog. 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 tree frogs you are most likely to see
- Spring Peeper2,664 records
- Gray Treefrog2,487 records
- Cope's Gray Tree Frog66 records
- Green Treefrog20 records
- Cuban Tree Frog19 records
- Mountain Chorus Frog16 records
Plan your tree 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.
GetYourGuide
Live tours nearbySee live tours near Appalachian National Scenic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main tree frog viewing area.
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Stay nearbyStay near Appalachian National Scenic Trail
Compare hotels, cabins and lodges close to the best tree frog viewing area in Pennsylvania.
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Broader backupBook a tree frog tour in Pennsylvania
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see tree frogs in Pennsylvania in May?+
Yes. May accounts for 1,064 of the 5,657 verified tree frogs sightings logged in Pennsylvania across the year, which is 18.8% of the annual total.
Is May a good time to see tree frogs in Pennsylvania?+
May is one of the best months. It ranks 1st of the year and sits inside the peak window of May, March and April.
What month is best for tree frogs in Pennsylvania?+
May is the single busiest month, with the broader peak running through May, March and April, based on 5,657 verified observations.
Which tree frogs are you most likely to see in Pennsylvania?+
The most-recorded species in Pennsylvania are Spring Peeper, Gray Treefrog and Cope's Gray Tree Frog, based on all-time iNaturalist counts.
See tree frogs in Pennsylvania in other months
More places to see tree frogs
More wildlife in Pennsylvania