Best Time to See Chipmunks in Delaware
June, May and July is the best time to see chipmunks in Delaware. Based on 196 verified iNaturalist observations, here is exactly when chipmunks are most active across the year in Delaware.
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 · Elizabeth Green CC BY

Eastern Chipmunk · Chris Hoess CC BY-SA

Eastern Chipmunk · Chris Hoess CC BY-SA
196 verified observations of chipmunks in Delaware, recorded across 10 months of the year on iNaturalist.
When chipmunks are recorded in Delaware
Peak month
June
68 records (34.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 2 | 1% |
| March | 9 | 4.6% |
| April | 10 | 5.1% |
| Maypeak | 44 | 22.4% |
| Junepeak | 68 | 34.7% |
| Julypeak | 16 | 8.2% |
| August | 12 | 6.1% |
| September | 16 | 8.2% |
| October | 14 | 7.1% |
| November | 5 | 2.6% |
| December | 0 | 0% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Chipmunk | 196 |
Weather to expect, source Open-Meteo
Typical weather in Delaware
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 56 to 86 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 32°F | 2.9" |
| Feb | 47°F | 33°F | 3.8" |
| Mar | 54°F | 39°F | 3.8" |
| Apr | 63°F | 48°F | 4.5" |
| Maybest time | 70°F | 56°F | 3.9" |
| Junbest time | 79°F | 66°F | 3.9" |
| Julbest time | 86°F | 73°F | 6" |
| Aug | 83°F | 72°F | 5.1" |
| Sep | 77°F | 65°F | 4.3" |
| Oct | 68°F | 55°F | 4.4" |
| Nov | 56°F | 43°F | 2.8" |
| Dec | 48°F | 36°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Delaware. Weather varies year to year, so treat these as a guide.
More on chipmunks in Delaware:
Sightings of chipmunks in Delaware peak in June, when 68 of the year's 196 verified observations are logged — about 34.7% of the annual total. Activity stays high through June, May and July.
The quietest stretch is January and December, when chipmunks are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The chipmunks you are most likely to encounter in Delaware 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 Delaware
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake Bay
- First State National Historical Park — National Historical Park
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
Frequently asked questions
What is the best month to see chipmunks in Delaware?+
June is the single best month, and the broader peak window runs through June, May and July, based on 196 verified iNaturalist observations.
When are chipmunks hardest to see in Delaware?+
January is the quietest month for chipmunks in Delaware, with no verified records on iNaturalist.
Are chipmunks active year-round in Delaware?+
Chipmunks are recorded in 10 of 12 months in Delaware, concentrated around June and May.
More places to see chipmunks
More wildlife in Delaware