Best Time to See Squirrels in South Dakota

June, July and August is the best time to see squirrels in South Dakota. Based on 4,702 verified iNaturalist observations, here is exactly when squirrels are most active across the year in South Dakota.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Black-tailed Prairie Dog photographed in South DakotaBlack-tailed Prairie Dog photographed in South DakotaBlack-tailed Prairie Dog photographed in South Dakota
Photos by iNaturalist observers, used under Creative Commons.
Best months: June, July, AugustPeak season right now

4,702 verified observations of squirrels in South Dakota, recorded across 12 months of the year on iNaturalist.

When squirrels are recorded in South Dakota

Peak month

June

1,133 records (24.1% of the year)

Quietest month

February

35 records

MonthObservationsShare
January370.8%
February350.7%
March871.9%
April2054.4%
May61513.1%
Junepeak1,13324.1%
Julypeak1,03722.1%
Augustpeak63613.5%
September53511.4%
October2435.2%
November821.7%
December571.2%

Squirrels you are most likely to see

SpeciesVerified observations
Black-tailed Prairie Dog2,477
Least Chipmunk749
Eastern Fox Squirrel462
Thirteen-lined Ground Squirrel341
American Red Squirrel287
Yellow-bellied Marmot216
Richardson's Ground Squirrel70
Groundhog45

Sightings of squirrels in South Dakota peak in June, when 1,133 of the year's 4,702 verified observations are logged β€” about 24.1% of the annual total. Activity stays high through June, July and August.

The quietest stretch is February and January, when squirrels are hardest to find β€” February sees just 35 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 South Dakota are Black-tailed Prairie Dog, Least Chipmunk and Eastern Fox Squirrel β€” 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 South Dakota

  • Badlands National Park β€” National Park
  • Jewel Cave National Monument β€” National Monument
  • Lewis & Clark National Historic Trail β€” National Historic Trail
  • Missouri National Recreational River β€” National Recreational River
  • Wind Cave National Park β€” National Park
  • Minuteman Missile National Historic Site β€” National Historic Site
Plan your tripBadlands National Park

Plan your squirrel trip in South Dakota

Start with live tours near Badlands National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

What is the best month to see squirrels in South Dakota?+

June is the single best month, and the broader peak window runs through June, July and August, based on 4,702 verified iNaturalist observations.

When are squirrels hardest to see in South Dakota?+

February is the quietest month for squirrels in South Dakota, with only 35 verified records.

Are squirrels active year-round in South Dakota?+

Squirrels are recorded in 12 of 12 months in South Dakota, so they can be seen year-round, with a clear peak in June.