Based on 2,771 research-grade iNaturalist observations in Vermont, Eastern Chipmunk is most often recorded in May; in Vermont it behaves like a summer visitor / breeder. It ranks #4 among mammals recorded in the state in our data.
Tamias striatus
Eastern Chipmunk in Vermont by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Vermont in May

White-tailed Deer

American Red Squirrel
American Beaver

Common Raccoon
American Black Bear

North American Porcupine

Eastern Gray Squirrel

Groundhog
Places to look in Vermont
State ParkElmore State Park
Quechee State Park
Wilgus State Park
Mount Philo State Park
Coolidge State Park
Crystal Lake State Park
FAQ
When does Eastern Chipmunk appear in Vermont?
Mainly March–October, with the most records in May.
How common is Eastern Chipmunk in Vermont?
It ranks #4 by number of iNaturalist observations among mammals in Vermont (2,771 records in our sample).