Best Time to See Squirrels in Indiana
April, September and May is the best time to see squirrels in Indiana. Based on 11,127 verified iNaturalist observations, here is exactly when squirrels are most active across the year in Indiana.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Eastern Fox Squirrel · Peyton Phelps CC BY

Groundhog · Ghostomelon CC BY

Southern Flying Squirrel · Elizabeth CC BY-SA
11,127 verified observations of squirrels in Indiana, recorded across 12 months of the year on iNaturalist.
When squirrels are recorded in Indiana
Peak month
April
1,724 records (15.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 360 | 3.2% |
| February | 475 | 4.3% |
| March | 868 | 7.8% |
| Aprilpeak | 1,724 | 15.5% |
| Maypeak | 1,532 | 13.8% |
| June | 1,028 | 9.2% |
| July | 594 | 5.3% |
| August | 603 | 5.4% |
| Septemberpeak | 1,702 | 15.3% |
| October | 1,255 | 11.3% |
| November | 588 | 5.3% |
| December | 398 | 3.6% |
Squirrels you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Fox Squirrel | 4,082 |
| Eastern Gray Squirrel | 2,488 |
| Eastern Chipmunk | 1,960 |
| American Red Squirrel | 1,235 |
| Groundhog | 1,014 |
| Southern Flying Squirrel | 94 |
| Thirteen-lined Ground Squirrel | 70 |
Weather to expect, source Open-Meteo
Typical weather in Indiana
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 42 to 78 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 38°F | 24°F | 3.6" |
| Feb | 41°F | 24°F | 3.7" |
| Mar | 52°F | 33°F | 5.3" |
| Aprbest time | 61°F | 42°F | 3.6" |
| Maybest time | 71°F | 53°F | 4.5" |
| Jun | 81°F | 63°F | 3.2" |
| Jul | 84°F | 67°F | 4.7" |
| Aug | 83°F | 66°F | 3.6" |
| Sepbest time | 78°F | 60°F | 1.8" |
| Oct | 65°F | 48°F | 4.4" |
| Nov | 51°F | 34°F | 2.3" |
| Dec | 44°F | 29°F | 3" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Indiana. Weather varies year to year, so treat these as a guide.
More on squirrels in Indiana:
Sightings of squirrels in Indiana peak in April, when 1,724 of the year's 11,127 verified observations are logged — about 15.5% of the annual total. Activity stays high through April, September and May.
The quietest stretch is January, December and February, when squirrels are hardest to find — January sees just 360 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 Indiana are Eastern Fox Squirrel, Eastern Gray Squirrel 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 Indiana
- Indiana Dunes National Park — National Park
- Lewis & Clark National Historic Trail — National Historic Trail
- Lincoln Boyhood National Memorial — National Memorial
- George Rogers Clark National Historical Park — National Historical Park
Gear to see them
Frequently asked questions
What is the best month to see squirrels in Indiana?+
April is the single best month, and the broader peak window runs through April, September and May, based on 11,127 verified iNaturalist observations.
When are squirrels hardest to see in Indiana?+
January is the quietest month for squirrels in Indiana, with only 360 verified records.
Are squirrels active year-round in Indiana?+
Squirrels are recorded in 12 of 12 months in Indiana, so they can be seen year-round, with a clear peak in April.
More places to see squirrels
More wildlife in Indiana