Chipmunks in Idaho in May

Yes, May is a good month to see chipmunks in Idaho. It is the 4th busiest month of the year, with 966 of the 7,346 sightings logged across the year (13.2%), 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 July 2, 2026.

Yellow-bellied Marmot photographed in IdahoYellow-bellied Marmot photographed in IdahoAmerican Red Squirrel photographed in Idaho
Photos by iNaturalist observers, used under Creative Commons.

Good month for chipmunks in Idaho

13.2%

of yearly sightings

966

records in May

#4

busiest month of 12

7,346

verified records a year

April 14%, May 13.2%, June 15.7%. Busiest month is June at 15.7%.

Best months: June, July, AprilPeak season right now

7,346 verified observations of chipmunks in Idaho, recorded across 12 months of the year on iNaturalist.

When chipmunks are recorded in Idaho

Peak month

June

1,153 records (15.7% of the year)

Quietest month

February

215 records

MonthObservationsShare
January2343.2%
February2152.9%
March5036.8%
Aprilpeak1,02614%
May96613.2%
Junepeak1,15315.7%
Julypeak1,04014.2%
August78710.7%
September5227.1%
October3544.8%
November2723.7%
December2743.7%

Chipmunks you are most likely to see

SpeciesVerified observations
Eastern Fox Squirrel2,358
Yellow-bellied Marmot1,066
American Red Squirrel835
Columbian Ground Squirrel514
Common Golden-mantled Ground Squirrel413
Least Chipmunk327
Uinta Ground Squirrel256
Yellow-pine Chipmunk247

In Idaho, May carries 13.2% of the year's chipmunks sightings, about 4.9 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 12 months with recorded activity.

Activity holds steady between April and May, and it heads toward June (15.7%) after. The busiest month is June (15.7%), so if timing is flexible, that window is the safer bet.

The chipmunks most often recorded in Idaho are Eastern Fox Squirrel, Yellow-bellied Marmot and American Red Squirrel. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.

Which chipmunks you are most likely to see

  • Eastern Fox Squirrel2,358 records
  • Yellow-bellied Marmot1,066 records
  • American Red Squirrel835 records
  • Columbian Ground Squirrel514 records
  • Common Golden-mantled Ground Squirrel413 records
  • Least Chipmunk327 records
Plan your tripCity Of Rocks National Reserve

Plan your chipmunk trip in Idaho

Start with live tours near City Of Rocks National Reserve, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see chipmunks in Idaho in May?+

Yes. May accounts for 966 of the 7,346 verified chipmunks sightings logged in Idaho across the year, which is 13.2% of the annual total.

Is May a good time to see chipmunks in Idaho?+

May is the 4th busiest month. It is workable, though June and July is the stronger window for a reliable sighting.

What month is best for chipmunks in Idaho?+

June is the single busiest month, with the broader peak running through June, July and April, based on 7,346 verified observations.

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

The most-recorded species in Idaho are Eastern Fox Squirrel, Yellow-bellied Marmot and American Red Squirrel, based on all-time iNaturalist counts.