The most commonly seen hummingbirds in the low desert of Phoenix, Arizona include:
Anna's Hummingbird, Black Chinned hummingbird, Costas Hummingbird,
We personally see the Anna's Hummingbird year round in our yard.
Another good spot to view Hummingbird's is at the Desert Botanical Gardens in Phoenix.
Great Spots to View Hummingbirds in Southeastern Arizona Includes:
Southeastern Arizona has some of the best hummingbird sightings in the US. Usually in the month of August you can see 14 species of hummingbirds, most of which you won't find in other parts of the United States.
Madera Canyon| Ramsey Canyon| Portal Peak Lodge| Patagonia/Sonoita Creek Preserve| San Pedro Riparian Conservation Area
If you don't have time to visit the canyons mentioned above, The Desert Botanical Gardens in Phoenix and the Sonoran Desert Museum in Tucson are great places to spot your favorite hummers.
If you're quiet you can hear them before you'll see them.
You may also be interested in Butterfly Gardens or more Photos of Hummingbirds