Chipmunks in Iowa in August
Yes, August is a good month to see chipmunks in Iowa. It is the 7th busiest month of the year, with 65 of the 746 sightings logged across the year (8.7%), 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 28, 2026.
Eastern Chipmunk · Public domain CC0
Eastern Chipmunk · psweet CC BY-SA
Eastern Chipmunk · Roberto Daniel Avila CC BY
Good month for chipmunks in Iowa
8.7%
of yearly sightings
65
records in August
#7
busiest month of 12
746
verified records a year
July 12.3%, August 8.7%, September 15.8%. Busiest month is May at 19.6%.
746 verified observations of chipmunks in Iowa, recorded across 10 months of the year on iNaturalist.
When chipmunks are recorded in Iowa
Peak month
May
146 records (19.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 4 | 0.5% |
| March | 44 | 5.9% |
| April | 67 | 9% |
| Maypeak | 146 | 19.6% |
| Junepeak | 136 | 18.2% |
| July | 92 | 12.3% |
| August | 65 | 8.7% |
| Septemberpeak | 118 | 15.8% |
| October | 69 | 9.2% |
| November | 5 | 0.7% |
| December | 0 | 0% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Chipmunk | 745 |
In Iowa, August carries 8.7% of the year's chipmunks sightings, about 0.4 points above an even month-to-month split. That makes it the 7th busiest of the twelve months, out of 10 months with recorded activity.
Activity is easing off from July (12.3%) into August, and it heads toward September (15.8%) after. The busiest month is May (19.6%), so if timing is flexible, that window is the safer bet.
The chipmunks most often recorded in Iowa are Eastern Chipmunk. 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
- Eastern Chipmunk745 records
Frequently asked questions
Can you see chipmunks in Iowa in August?+
Yes. August accounts for 65 of the 746 verified chipmunks sightings logged in Iowa across the year, which is 8.7% of the annual total.
Is August a good time to see chipmunks in Iowa?+
August is the 7th busiest month. It is workable, though May and June is the stronger window for a reliable sighting.
What month is best for chipmunks in Iowa?+
May is the single busiest month, with the broader peak running through May, June and September, based on 746 verified observations.
Which chipmunks are you most likely to see in Iowa?+
The most-recorded species in Iowa are Eastern Chipmunk, based on all-time iNaturalist counts.