Based on 1,486 research-grade iNaturalist observations in Utah, Monarch is most often recorded in August; in Utah it behaves like a summer visitor / breeder. It ranks #2 among butterflies recorded in the state in our data.
Danaus plexippus
Monarch in Utah 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 Utah in August
Woodland Skipper
Weidemeyer's Admiral
Two-tailed Swallowtail
Small White
Sandhill Skipper
Painted Lady
Great Spangled Fritillary
Gray Hairstreak
Places to look in Utah
State ParkDead Horse Point State Park
State ParkGoosenecks State Park
State ParkGoblin Valley State Park
National ForestDixie National Forest
State ParkCoral Pink Sand Dunes State Park
State ParkKodachrome Basin State Park
FAQ
When does Monarch appear in Utah?
Mainly June–September, with the most records in August.
How common is Monarch in Utah?
It ranks #2 by number of iNaturalist observations among butterflies in Utah (1,486 records in our sample).