Best Time to See Chipmunks in Maryland
May, June and July is the best time to see chipmunks in Maryland. Based on 1,701 verified iNaturalist observations, here is exactly when chipmunks are most active across the year in Maryland.
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 · Mark Jones CC BY
Eastern Chipmunk · Annie Weissman CC BY
Eastern Chipmunk · Zhou Dong CC BY
1,701 verified observations of chipmunks in Maryland, recorded across 12 months of the year on iNaturalist.
When chipmunks are recorded in Maryland
Peak month
May
416 records (24.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 0.2% |
| February | 33 | 1.9% |
| March | 63 | 3.7% |
| April | 176 | 10.3% |
| Maypeak | 416 | 24.5% |
| Junepeak | 387 | 22.8% |
| Julypeak | 193 | 11.3% |
| August | 88 | 5.2% |
| September | 111 | 6.5% |
| October | 145 | 8.5% |
| November | 74 | 4.4% |
| December | 12 | 0.7% |
Chipmunks you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Chipmunk | 1,700 |
Weather to expect, source Open-Meteo
Typical weather in Maryland
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 54 to 89 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 30°F | 3.3" |
| Feb | 48°F | 31°F | 3.9" |
| Mar | 56°F | 37°F | 3.9" |
| Apr | 66°F | 45°F | 4.7" |
| Maybest time | 73°F | 54°F | 4.7" |
| Junbest time | 83°F | 64°F | 5.4" |
| Julbest time | 89°F | 70°F | 7.3" |
| Aug | 85°F | 69°F | 7.6" |
| Sep | 79°F | 62°F | 4.9" |
| Oct | 69°F | 52°F | 4.9" |
| Nov | 56°F | 40°F | 3.2" |
| Dec | 49°F | 34°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Maryland. Weather varies year to year, so treat these as a guide.
More on chipmunks in Maryland:
Sightings of chipmunks in Maryland peak in May, when 416 of the year's 1,701 verified observations are logged — about 24.5% of the annual total. Activity stays high through May, June and July.
The quietest stretch is January, when chipmunks are hardest to find — January sees just 3 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 Maryland 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 Maryland
- Antietam National Battlefield — National Battlefield
- Appalachian National Scenic Trail — National Scenic Trail
- Assateague Island National Seashore — National Seashore
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake & Ohio Canal National Historical Park — National Historical Park
- Chesapeake Bay
Frequently asked questions
What is the best month to see chipmunks in Maryland?+
May is the single best month, and the broader peak window runs through May, June and July, based on 1,701 verified iNaturalist observations.
When are chipmunks hardest to see in Maryland?+
January is the quietest month for chipmunks in Maryland, with only 3 verified records.
Are chipmunks active year-round in Maryland?+
Chipmunks are recorded in 12 of 12 months in Maryland, so they can be seen year-round, with a clear peak in May.
More places to see chipmunks
More wildlife in Maryland