Best Time to See Chipmunks in Indiana
May, September and June is the best time to see chipmunks in Indiana. Based on 1,974 verified iNaturalist observations, here is exactly when chipmunks 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 Chipmunk · Public domain CC0
Eastern Chipmunk · Cait CC BY-ND
Eastern Chipmunk · Public domain CC0
1,974 verified observations of chipmunks in Indiana, recorded across 12 months of the year on iNaturalist.
When chipmunks are recorded in Indiana
Peak month
May
367 records (18.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 11 | 0.6% |
| February | 24 | 1.2% |
| March | 116 | 5.9% |
| April | 265 | 13.4% |
| Maypeak | 367 | 18.6% |
| Junepeak | 280 | 14.2% |
| July | 137 | 6.9% |
| August | 95 | 4.8% |
| Septemberpeak | 360 | 18.2% |
| October | 261 | 13.2% |
| November | 53 | 2.7% |
| December | 5 | 0.3% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Chipmunk | 1,974 |
Weather to expect, source Open-Meteo
Typical weather in Indiana
Recent typical conditions by month, so you can plan a trip around both when chipmunks are active and what the weather is doing. The best months to look for chipmunks sit around 53 to 81 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" |
| Apr | 61°F | 42°F | 3.6" |
| Maybest time | 71°F | 53°F | 4.5" |
| Junbest time | 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 chipmunks in Indiana:
Sightings of chipmunks in Indiana peak in May, when 367 of the year's 1,974 verified observations are logged — about 18.6% of the annual total. Activity stays high through May, September and June.
The quietest stretch is December, when chipmunks are hardest to find — December sees just 5 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The chipmunks you are most likely to encounter in Indiana are 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 chipmunks 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
Frequently asked questions
What is the best month to see chipmunks in Indiana?+
May is the single best month, and the broader peak window runs through May, September and June, based on 1,974 verified iNaturalist observations.
When are chipmunks hardest to see in Indiana?+
December is the quietest month for chipmunks in Indiana, with only 5 verified records.
Are chipmunks active year-round in Indiana?+
Chipmunks are recorded in 12 of 12 months in Indiana, so they can be seen year-round, with a clear peak in May.
More places to see chipmunks
More wildlife in Indiana