Best Time to See Squirrels in Delaware
May, June and April is the best time to see squirrels in Delaware. Based on 1,515 verified iNaturalist observations, here is exactly when squirrels are most active across the year in Delaware.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.

Eastern Gray Squirrel · inbetweenbays CC BY

Eastern Gray Squirrel · inbetweenbays CC BY

Groundhog · Elizabeth Green CC BY
1,515 verified observations of squirrels in Delaware, recorded across 12 months of the year on iNaturalist.
When squirrels are recorded in Delaware
Peak month
May
237 records (15.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 84 | 5.5% |
| February | 70 | 4.6% |
| March | 122 | 8.1% |
| Aprilpeak | 197 | 13% |
| Maypeak | 237 | 15.6% |
| Junepeak | 213 | 14.1% |
| July | 103 | 6.8% |
| August | 81 | 5.3% |
| September | 115 | 7.6% |
| October | 146 | 9.6% |
| November | 83 | 5.5% |
| December | 64 | 4.2% |
Squirrels you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Gray Squirrel | 1,002 |
| Groundhog | 248 |
| Eastern Chipmunk | 194 |
| American Red Squirrel | 36 |
| Southern Flying Squirrel | 24 |
| Eastern Fox Squirrel | 1 |
Weather to expect, source Open-Meteo
Typical weather in Delaware
Recent typical conditions by month, so you can plan a trip around both when squirrels are active and what the weather is doing. The best months to look for squirrels sit around 48 to 79 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 32°F | 2.9" |
| Feb | 47°F | 33°F | 3.8" |
| Mar | 54°F | 39°F | 3.8" |
| Aprbest time | 63°F | 48°F | 4.5" |
| Maybest time | 70°F | 56°F | 3.9" |
| Junbest time | 79°F | 66°F | 3.9" |
| Jul | 86°F | 73°F | 6" |
| Aug | 83°F | 72°F | 5.1" |
| Sep | 77°F | 65°F | 4.3" |
| Oct | 68°F | 55°F | 4.4" |
| Nov | 56°F | 43°F | 2.8" |
| Dec | 48°F | 36°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Delaware. Weather varies year to year, so treat these as a guide.
More on squirrels in Delaware:
Sightings of squirrels in Delaware peak in May, when 237 of the year's 1,515 verified observations are logged — about 15.6% of the annual total. Activity stays high through May, June and April.
The quietest stretch is December, February and August, when squirrels are hardest to find — December sees just 64 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The squirrels you are most likely to encounter in Delaware are Eastern Gray Squirrel, Groundhog and Eastern Chipmunk — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see squirrels in Delaware
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake Bay
- First State National Historical Park — National Historical Park
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
Gear to see them
Frequently asked questions
What is the best month to see squirrels in Delaware?+
May is the single best month, and the broader peak window runs through May, June and April, based on 1,515 verified iNaturalist observations.
When are squirrels hardest to see in Delaware?+
December is the quietest month for squirrels in Delaware, with only 64 verified records.
Are squirrels active year-round in Delaware?+
Squirrels are recorded in 12 of 12 months in Delaware, so they can be seen year-round, with a clear peak in May.
More places to see squirrels
More wildlife in Delaware