Based on 8,260 research-grade iNaturalist observations in Vermont, Monarch is most often recorded in August; in Vermont it behaves like a summer visitor / breeder. It ranks #1 among butterflies recorded in the state in our data.
Danaus plexippus
Monarch 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 August
Viceroy
Eastern Giant Swallowtail
Common Ringlet
Small White
Great Spangled Fritillary
Common Wood-Nymph
Peck's Skipper
Eastern Tailed-Blue
Places to look in Vermont
State ParkElmore State Park
State ParkQuechee State Park
State ParkWilgus State Park
State ParkMount Philo State Park
State ParkCoolidge State Park
State ParkCrystal Lake State Park
FAQ
When does Monarch appear in Vermont?
Mainly July–September, with the most records in August.
How common is Monarch in Vermont?
It ranks #1 by number of iNaturalist observations among butterflies in Vermont (8,260 records in our sample).