Based on 3,281 research-grade iNaturalist observations in Utah, Rock Squirrel is most often recorded in May; in Utah it behaves like a summer visitor / breeder. It ranks #3 among mammals recorded in the state in our data.
Otospermophilus variegatus
Rock Squirrel 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 May

Mule Deer

Pronghorn

Eastern Fox Squirrel
Common Golden-mantled Ground Squirrel

Uinta Ground Squirrel

Uinta Chipmunk

Yellow-bellied Marmot

American Bison
Places to look in Utah
Dead Horse Point State Park
Goosenecks State Park
Goblin Valley State Park
Dixie National Forest
State ParkCoral Pink Sand Dunes State Park
Kodachrome Basin State Park
FAQ
When does Rock Squirrel appear in Utah?
Mainly March–September, with the most records in May.
How common is Rock Squirrel in Utah?
It ranks #3 by number of iNaturalist observations among mammals in Utah (3,281 records in our sample).