Squirrels in Pennsylvania in May
Yes, May is one of the best months to see squirrels in Pennsylvania. It is the 1st busiest month of the year, with 3,985 of the 27,430 sightings logged across the year (14.5%), 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 squirrels in Pennsylvania
14.5%
of yearly sightings
3,985
records in May
#1
busiest month of 12
27,430
verified records a year
April 14.1%, May 14.5%, June 12.7%. Busiest month is May at 14.5%.
27,430 verified observations of squirrels in Pennsylvania, recorded across 12 months of the year on iNaturalist.
When squirrels are recorded in Pennsylvania
Peak month
May
3,985 records (14.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1,073 | 3.9% |
| February | 1,291 | 4.7% |
| March | 1,881 | 6.9% |
| Aprilpeak | 3,864 | 14.1% |
| Maypeak | 3,985 | 14.5% |
| June | 3,488 | 12.7% |
| July | 1,867 | 6.8% |
| August | 1,333 | 4.9% |
| Septemberpeak | 3,803 | 13.9% |
| October | 2,390 | 8.7% |
| November | 1,401 | 5.1% |
| December | 1,054 | 3.8% |
Squirrels you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Gray Squirrel | 13,766 |
| Eastern Chipmunk | 5,778 |
| Groundhog | 4,535 |
| American Red Squirrel | 1,563 |
| Eastern Fox Squirrel | 1,053 |
| Southern Flying Squirrel | 297 |
| Northern Flying Squirrel | 19 |
In Pennsylvania, May carries 14.5% of the year's squirrels sightings, about 6.2 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 holds steady between April and May, and it heads toward June (12.7%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.
The squirrels most often recorded in Pennsylvania are Eastern Gray Squirrel, Eastern Chipmunk and Groundhog. 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 squirrels you are most likely to see
- Eastern Gray Squirrel13,766 records
- Eastern Chipmunk5,778 records
- Groundhog4,535 records
- American Red Squirrel1,563 records
- Eastern Fox Squirrel1,053 records
- Southern Flying Squirrel297 records
Plan your squirrel 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 squirrel viewing area.
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Gear to see them
Frequently asked questions
Can you see squirrels in Pennsylvania in May?+
Yes. May accounts for 3,985 of the 27,430 verified squirrels sightings logged in Pennsylvania across the year, which is 14.5% of the annual total.
Is May a good time to see squirrels in Pennsylvania?+
May is one of the best months. It ranks 1st of the year and sits inside the peak window of May, April and September.
What month is best for squirrels in Pennsylvania?+
May is the single busiest month, with the broader peak running through May, April and September, based on 27,430 verified observations.
Which squirrels are you most likely to see in Pennsylvania?+
The most-recorded species in Pennsylvania are Eastern Gray Squirrel, Eastern Chipmunk and Groundhog, based on all-time iNaturalist counts.
See squirrels in Pennsylvania in other months
More wildlife in Pennsylvania