Based on 10,143 research-grade iNaturalist observations in Arizona, House Finch is most often recorded in April; in Arizona it behaves like a year-round resident. It ranks #3 among birds recorded in the state in our data.
Haemorhous mexicanus
House Finch 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 April

Mourning Dove
Gambel's Quail
White-winged Dove

Great-tailed Grackle

Curve-billed Thrasher

Gila Woodpecker

Vermilion Flycatcher
Broad-billed Hummingbird
Places to look in Arizona
Desert Botanical Garden
Coronado National Forest
Boyce Thompson Arboretum
Tonto National Forest
Yuma Territorial Prison
Apache–Sitgreaves National Forests
FAQ
When does House Finch appear in Arizona?
Mainly November–August, with the most records in April.
How common is House Finch in Arizona?
It ranks #3 by number of iNaturalist observations among birds in Arizona (10,143 records in our sample).