Based on 1,360 research-grade iNaturalist observations in New Mexico, Mourning Cloak is most often recorded in June; in New Mexico it behaves like a summer visitor / breeder. It ranks #5 among butterflies recorded in the state in our data.
Nymphalis antiopa
Mourning Cloak in New Mexico 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 Mexico in June
Checkered White

Variegated Fritillary

Two-tailed Swallowtail

Western Tiger Swallowtail

Marine Blue

Weidemeyer's Admiral

Reakirt's Blue

Black Swallowtail
Places to look in New Mexico
Carson National Forest
Lincoln National Forest
Santa Fe National Forest
Fort Stanton
Gila National Forest
National ForestCibola National Forest
FAQ
When does Mourning Cloak appear in New Mexico?
Mainly March–August, with the most records in June.
How common is Mourning Cloak in New Mexico?
It ranks #5 by number of iNaturalist observations among butterflies in New Mexico (1,360 records in our sample).