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USDA Zones 9-10

Backyard Chickens in Hot Arid (USDA Zones 9-10)

Summers routinely above 105 F in the shade — Arizona, inland California, Nevada, and the lower Rio Grande Valley. Chickens can die of heat stress within hours.

Winter low
35-50 F
Summer high
105-115 F
Rainfall
5-15 in
Key challenge
Lethal heat stress

Summers routinely above 105 F in the shade — Arizona, inland California, Nevada, and the lower Rio Grande Valley. Chickens can die of heat stress within hours.

The primary keeping challenge in Hot Arid (USDA Zones 9-10) is lethal heat stress, water quantity, shade infrastructure. Below, all fourteen breed-purpose categories are filtered to what works best in your conditions.

Breed Categories for Hot Arid

States and regions in Hot Arid (USDA Zones 9-10): Arizona, Nevada, inland California, New Mexico, west Texas