Squirrels in Colorado in June

Yes, June is one of the best months to see squirrels in Colorado. It is the 2nd busiest month of the year, with 7,081 of the 39,058 sightings logged across the year (18.1%), 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.

Common Golden-mantled Ground Squirrel photographed in ColoradoYellow-bellied Marmot photographed in ColoradoYellow-bellied Marmot photographed in Colorado
Photos by iNaturalist observers, used under Creative Commons.

Peak month for squirrels in Colorado

18.1%

of yearly sightings

7,081

records in June

#2

busiest month of 12

39,058

verified records a year

May 10.4%, June 18.1%, July 20.9%. Busiest month is July at 20.9%.

Best months: July, June, AugustPeak season right now

39,058 verified observations of squirrels in Colorado, recorded across 12 months of the year on iNaturalist.

When squirrels are recorded in Colorado

Peak month

July

8,163 records (20.9% of the year)

Quietest month

February

780 records

MonthObservationsShare
January8832.3%
February7802%
March1,3483.5%
April3,1158%
May4,04410.4%
Junepeak7,08118.1%
Julypeak8,16320.9%
Augustpeak6,14115.7%
September3,7159.5%
October1,9575%
November9792.5%
December8522.2%

Squirrels you are most likely to see

SpeciesVerified observations
Common Golden-mantled Ground Squirrel6,579
Eastern Fox Squirrel6,373
Black-tailed Prairie Dog6,354
Yellow-bellied Marmot5,775
Least Chipmunk2,167
Fremont's Squirrel1,966
Wyoming Ground Squirrel1,334
Colorado Chipmunk1,070

In Colorado, June carries 18.1% of the year's squirrels sightings, about 9.8 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from May (10.4%) into June, and it heads toward July (20.9%) after. This is right inside the peak window, so June is one of the surest months to plan a trip around.

The squirrels most often recorded in Colorado are Common Golden-mantled Ground Squirrel, Eastern Fox Squirrel and Black-tailed Prairie Dog. Those counts are annual totals rather than a June split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in June itself.

Which squirrels you are most likely to see

  • Common Golden-mantled Ground Squirrel6,579 records
  • Eastern Fox Squirrel6,373 records
  • Black-tailed Prairie Dog6,354 records
  • Yellow-bellied Marmot5,775 records
  • Least Chipmunk2,167 records
  • Fremont's Squirrel1,966 records
Plan your tripBent's Old Fort National Historic Site

Plan your squirrel trip in Colorado

Start with live tours near Bent's Old Fort National Historic Site, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

Can you see squirrels in Colorado in June?+

Yes. June accounts for 7,081 of the 39,058 verified squirrels sightings logged in Colorado across the year, which is 18.1% of the annual total.

Is June a good time to see squirrels in Colorado?+

June is one of the best months. It ranks 2nd of the year and sits inside the peak window of July, June and August.

What month is best for squirrels in Colorado?+

July is the single busiest month, with the broader peak running through July, June and August, based on 39,058 verified observations.

Which squirrels are you most likely to see in Colorado?+

The most-recorded species in Colorado are Common Golden-mantled Ground Squirrel, Eastern Fox Squirrel and Black-tailed Prairie Dog, based on all-time iNaturalist counts.