Squirrels in Wisconsin in April
Yes, April is one of the best months to see squirrels in Wisconsin. It is the 3rd busiest month of the year, with 1,764 of the 14,122 sightings logged across the year (12.5%), 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 30, 2026.
Peak month for squirrels in Wisconsin
12.5%
of yearly sightings
1,764
records in April
#3
busiest month of 12
14,122
verified records a year
March 6.9%, April 12.5%, May 15.5%. Busiest month is May at 15.5%.
14,122 verified observations of squirrels in Wisconsin, recorded across 12 months of the year on iNaturalist.
When squirrels are recorded in Wisconsin
Peak month
May
2,187 records (15.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 542 | 3.8% |
| February | 553 | 3.9% |
| March | 974 | 6.9% |
| Aprilpeak | 1,764 | 12.5% |
| Maypeak | 2,187 | 15.5% |
| Junepeak | 1,765 | 12.5% |
| July | 1,351 | 9.6% |
| August | 1,211 | 8.6% |
| September | 1,397 | 9.9% |
| October | 1,019 | 7.2% |
| November | 692 | 4.9% |
| December | 667 | 4.7% |
Squirrels you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Gray Squirrel | 6,281 |
| Eastern Chipmunk | 3,277 |
| American Red Squirrel | 1,975 |
| Groundhog | 1,049 |
| Thirteen-lined Ground Squirrel | 933 |
| Eastern Fox Squirrel | 210 |
| Southern Flying Squirrel | 113 |
| Northern Flying Squirrel | 30 |
In Wisconsin, April carries 12.5% of the year's squirrels sightings, about 4.2 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from March (6.9%) into April, and it heads toward May (15.5%) after. This is right inside the peak window, so April is one of the surest months to plan a trip around.
The squirrels most often recorded in Wisconsin are Eastern Gray Squirrel, Eastern Chipmunk and American Red Squirrel. Those counts are annual totals rather than a April split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in April itself.
Which squirrels you are most likely to see
- Eastern Gray Squirrel6,281 records
- Eastern Chipmunk3,277 records
- American Red Squirrel1,975 records
- Groundhog1,049 records
- Thirteen-lined Ground Squirrel933 records
- Eastern Fox Squirrel210 records
Plan your squirrel trip in Wisconsin
Start with live tours near Apostle Islands National Lakeshore, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
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Live tours nearbySee live tours near Apostle Islands National Lakeshore
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 Wisconsin in April?+
Yes. April accounts for 1,764 of the 14,122 verified squirrels sightings logged in Wisconsin across the year, which is 12.5% of the annual total.
Is April a good time to see squirrels in Wisconsin?+
April is one of the best months. It ranks 3rd of the year and sits inside the peak window of May, June and April.
What month is best for squirrels in Wisconsin?+
May is the single busiest month, with the broader peak running through May, June and April, based on 14,122 verified observations.
Which squirrels are you most likely to see in Wisconsin?+
The most-recorded species in Wisconsin are Eastern Gray Squirrel, Eastern Chipmunk and American Red Squirrel, based on all-time iNaturalist counts.