Best Time to See Chipmunks in Missouri
May, June and October is the best time to see chipmunks in Missouri. Based on 851 verified iNaturalist observations, here is exactly when chipmunks are most active across the year in Missouri.
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 · Joseph Aubert CC BY
Eastern Chipmunk · Stephanie Dolrenry CC BY-SA
851 verified observations of chipmunks in Missouri, recorded across 12 months of the year on iNaturalist.
When chipmunks are recorded in Missouri
Peak month
May
178 records (20.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 6 | 0.7% |
| February | 26 | 3.1% |
| March | 18 | 2.1% |
| April | 81 | 9.5% |
| Maypeak | 178 | 20.9% |
| Junepeak | 148 | 17.4% |
| July | 84 | 9.9% |
| August | 43 | 5.1% |
| September | 80 | 9.4% |
| Octoberpeak | 147 | 17.3% |
| November | 32 | 3.8% |
| December | 8 | 0.9% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Chipmunk | 851 |
Weather to expect, source Open-Meteo
Typical weather in Missouri
Recent typical conditions by month, so you can plan a trip around both when chipmunks are active and what the weather is doing. The best months to look for chipmunks sit around 49 to 86 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 43°F | 27°F | 3" |
| Feb | 45°F | 25°F | 3.2" |
| Mar | 57°F | 37°F | 5.6" |
| Apr | 67°F | 45°F | 4.7" |
| Maybest time | 74°F | 56°F | 5.9" |
| Junbest time | 86°F | 65°F | 4.3" |
| Jul | 90°F | 70°F | 4.2" |
| Aug | 88°F | 69°F | 5.1" |
| Sep | 84°F | 63°F | 2.2" |
| Octbest time | 68°F | 49°F | 5" |
| Nov | 57°F | 38°F | 2.1" |
| Dec | 50°F | 32°F | 2.1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Missouri. Weather varies year to year, so treat these as a guide.
More on chipmunks in Missouri:
Sightings of chipmunks in Missouri peak in May, when 178 of the year's 851 verified observations are logged — about 20.9% of the annual total. Activity stays high through May, June and October.
The quietest stretch is January and December, when chipmunks are hardest to find — January sees just 6 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The chipmunks you are most likely to encounter in Missouri are Eastern Chipmunk — 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 chipmunks in Missouri
- George Washington Carver National Monument — National Monument
- Lewis & Clark National Historic Trail — National Historic Trail
- Ozark National Scenic Riverways — National Scenic Riverways
- Ulysses S Grant National Historic Site — National Historic Site
- Wilson's Creek National Battlefield — National Battlefield
- Butterfield Overland National Historic Trail — National Historic Trail
Frequently asked questions
What is the best month to see chipmunks in Missouri?+
May is the single best month, and the broader peak window runs through May, June and October, based on 851 verified iNaturalist observations.
When are chipmunks hardest to see in Missouri?+
January is the quietest month for chipmunks in Missouri, with only 6 verified records.
Are chipmunks active year-round in Missouri?+
Chipmunks are recorded in 12 of 12 months in Missouri, so they can be seen year-round, with a clear peak in May.
More places to see chipmunks
More wildlife in Missouri