Based on 7,359 research-grade iNaturalist observations in Arizona, Broad-billed Hummingbird is most often recorded in August; in Arizona it behaves like a summer visitor / breeder. It ranks #11 among birds recorded in the state in our data.
Cynanthus latirostris
Broad-billed Hummingbird 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 August
Black-chinned Hummingbird
Anna's Hummingbird
Lesser Goldfinch
Gambel's Quail

Greater Roadrunner

Mourning Dove

Acorn Woodpecker

Vermilion Flycatcher
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 Broad-billed Hummingbird appear in Arizona?
Mainly March–September, with the most records in August.
How common is Broad-billed Hummingbird in Arizona?
It ranks #11 by number of iNaturalist observations among birds in Arizona (7,359 records in our sample).