Chipmunks in Wyoming in August

Yes, August is one of the best months to see chipmunks in Wyoming. It is the 3rd busiest month of the year, with 2,180 of the 12,308 sightings logged across the year (17.7%), based on verified iNaturalist records.

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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.

Uinta Ground Squirrel photographed in WyomingAmerican Red Squirrel photographed in WyomingWyoming Ground Squirrel photographed in Wyoming
Photos by iNaturalist observers, used under Creative Commons.

Peak month for chipmunks in Wyoming

17.7%

of yearly sightings

2,180

records in August

#3

busiest month of 12

12,308

verified records a year

July 24%, August 17.7%, September 9.9%. Busiest month is June at 24.8%.

Best months: June, July, AugustPeak season right now

12,308 verified observations of chipmunks in Wyoming, recorded across 12 months of the year on iNaturalist.

When chipmunks are recorded in Wyoming

Peak month

June

3,049 records (24.8% of the year)

Quietest month

December

27 records

MonthObservationsShare
January470.4%
February720.6%
March1261%
April4023.3%
May1,84815%
Junepeak3,04924.8%
Julypeak2,95424%
Augustpeak2,18017.7%
September1,2159.9%
October3342.7%
November540.4%
December270.2%

Chipmunks you are most likely to see

SpeciesVerified observations
Uinta Ground Squirrel2,335
Yellow-bellied Marmot2,331
Common Golden-mantled Ground Squirrel1,530
American Red Squirrel1,514
Least Chipmunk1,134
Black-tailed Prairie Dog631
Yellow-pine Chipmunk474
White-tailed Prairie Dog413

In Wyoming, August carries 17.7% of the year's chipmunks sightings, about 9.4 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 easing off from July (24%) into August, and it heads toward September (9.9%) after. This is right inside the peak window, so August is one of the surest months to plan a trip around.

The chipmunks most often recorded in Wyoming are Uinta Ground Squirrel, Yellow-bellied Marmot and Common Golden-mantled Ground Squirrel. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.

Which chipmunks you are most likely to see

  • Uinta Ground Squirrel2,335 records
  • Yellow-bellied Marmot2,331 records
  • Common Golden-mantled Ground Squirrel1,530 records
  • American Red Squirrel1,514 records
  • Least Chipmunk1,134 records
  • Black-tailed Prairie Dog631 records
Plan your tripBighorn Canyon National Recreation Area

Plan your chipmunk trip in Wyoming

Start with live tours near Bighorn Canyon National Recreation Area, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see chipmunks in Wyoming in August?+

Yes. August accounts for 2,180 of the 12,308 verified chipmunks sightings logged in Wyoming across the year, which is 17.7% of the annual total.

Is August a good time to see chipmunks in Wyoming?+

August is one of the best months. It ranks 3rd of the year and sits inside the peak window of June, July and August.

What month is best for chipmunks in Wyoming?+

June is the single busiest month, with the broader peak running through June, July and August, based on 12,308 verified observations.

Which chipmunks are you most likely to see in Wyoming?+

The most-recorded species in Wyoming are Uinta Ground Squirrel, Yellow-bellied Marmot and Common Golden-mantled Ground Squirrel, based on all-time iNaturalist counts.