Based on 1,346 research-grade iNaturalist observations in New Hampshire, Common Ringlet is most often recorded in June; in New Hampshire it behaves like a summer visitor / breeder. It ranks #5 among butterflies recorded in the state in our data.
Coenonympha california
Common Ringlet in New Hampshire 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 New Hampshire in June

Hobomok Skipper

Long Dash

Canadian Tiger Swallowtail

Little Wood Satyr

Red-spotted Admiral

Silver-spotted Skipper

Peck's Skipper

Essex Skipper
Places to look in New Hampshire
White Mountain National Forest
Franconia Notch State Park
Odiorne Point State Park
Mount Washington State Park
State ParkRhododendron State Park
Pawtuckaway State Park
FAQ
When does Common Ringlet appear in New Hampshire?
Mainly June–June, with the most records in June.
How common is Common Ringlet in New Hampshire?
It ranks #5 by number of iNaturalist observations among butterflies in New Hampshire (1,346 records in our sample).