Best Time to See Chipmunks in Wisconsin
May, June and April is the best time to see chipmunks in Wisconsin. Based on 14,181 verified iNaturalist observations, here is exactly when chipmunks are most active across the year in Wisconsin.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
14,181 verified observations of chipmunks in Wisconsin, recorded across 12 months of the year on iNaturalist.
When chipmunks are recorded in Wisconsin
Peak month
May
2,188 records (15.4% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 542 | 3.8% |
| February | 553 | 3.9% |
| March | 974 | 6.9% |
| Aprilpeak | 1,765 | 12.4% |
| Maypeak | 2,188 | 15.4% |
| Junepeak | 1,819 | 12.8% |
| July | 1,351 | 9.5% |
| August | 1,211 | 8.5% |
| September | 1,397 | 9.9% |
| October | 1,019 | 7.2% |
| November | 692 | 4.9% |
| December | 670 | 4.7% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Gray Squirrel | 6,295 |
| Eastern Chipmunk | 3,307 |
| American Red Squirrel | 1,982 |
| Groundhog | 1,051 |
| Thirteen-lined Ground Squirrel | 939 |
| Eastern Fox Squirrel | 210 |
| Southern Flying Squirrel | 114 |
| Northern Flying Squirrel | 31 |
Sightings of chipmunks in Wisconsin peak in May, when 2,188 of the year's 14,181 verified observations are logged — about 15.4% of the annual total. Activity stays high through May, June and April.
The quietest stretch is January, February and December, when chipmunks are hardest to find — January sees just 542 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 Wisconsin are Eastern Gray Squirrel, Eastern Chipmunk and American Red Squirrel — 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 Wisconsin
- Apostle Islands National Lakeshore — National Lakeshore
- Ice Age National Scenic Trail — National Scenic Trail
- North Country National Scenic Trail — National Scenic Trail
- Saint Croix National Scenic Riverway — National Scenic Riverway
Tours and experiences nearby
Viator
Book a chipmunk tour in Wisconsin
Guided wildlife tours, boat trips and nature experiences, with free cancellation on most.
Booking.com
Stay near Apostle Islands National Lakeshore
Compare hotels, cabins and lodges close to the best chipmunk viewing in Wisconsin.
Frequently asked questions
What is the best month to see chipmunks in Wisconsin?+
May is the single best month, and the broader peak window runs through May, June and April, based on 14,181 verified iNaturalist observations.
When are chipmunks hardest to see in Wisconsin?+
January is the quietest month for chipmunks in Wisconsin, with only 542 verified records.
Are chipmunks active year-round in Wisconsin?+
Chipmunks are recorded in 12 of 12 months in Wisconsin, so they can be seen year-round, with a clear peak in May.
More wildlife in Wisconsin