
Based on 2,847 research-grade iNaturalist observations in Wisconsin, Red Admiral is most often recorded in July; in Wisconsin it behaves like a summer visitor / breeder. It ranks #4 among butterflies recorded in the state in our data.
Vanessa atalanta
Red Admiral in Wisconsin 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 Wisconsin in July

Monarch

Karner Blue

Small White
Northern Pearly-eye
Common Wood-Nymph

Silver-spotted Skipper

Black Swallowtail

Eastern Tiger Swallowtail
Places to look in Wisconsin
Aztalan State Park
Wyalusing State Park
Chequamegon–Nicolet National Forest
Merrick State Park
Perrot State Park
Lake Kegonsa State Park
FAQ
When does Red Admiral appear in Wisconsin?
Mainly April–August, with the most records in July.
How common is Red Admiral in Wisconsin?
It ranks #4 by number of iNaturalist observations among butterflies in Wisconsin (2,847 records in our sample).