Based on 2,367 research-grade iNaturalist observations in Arizona, Monarch is most often recorded in October; in Arizona it behaves like a seasonal. It ranks #16 among butterflies recorded in the state in our data.
Danaus plexippus
Monarch in Arizona 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 Arizona in October
Queen
American Snout
Empress Leilia
Painted Lady
Western Pygmy-Blue
Sleepy Orange
Dainty Sulphur
Pipevine Swallowtail
Places to look in Arizona
Botanical GardenDesert Botanical Garden
National ForestCoronado National Forest
State ParkBoyce Thompson Arboretum
National ForestTonto National Forest
State ParkYuma Territorial Prison
National ForestApache–Sitgreaves National Forests
FAQ
When does Monarch appear in Arizona?
Mainly August–January, with the most records in October.
How common is Monarch in Arizona?
It ranks #16 by number of iNaturalist observations among butterflies in Arizona (2,367 records in our sample).