Average Temperatures and Rainfall for Arizona

Average annual temperatures for Arizona (20°C/68°F) are significantly above the average for United States (13°C/55°F).

Average annual rainfall for Arizona (195mm/8 inches) is significantly below the average for United States (1,039mm/41 inches).

What is the warmest or hottest month in Arizona?

June is the hottest or warmest month in Arizona, with an average maximum temperate of 38°C/100°F.

What is the coldest or coolest month in Arizona?

December is the coolest or coldest month in Arizona, with an average minimum temperate of 3°C/37°F.

What is the most rainy or wettest month in Arizona?

July is the wettest or most rainy month in Arizona, with an average rainfall of 37mm/1 inches.

What is the least rainy or driest month in Arizona?

June is the driest or least rainy month in Arizona, with an average rainfall of 3mm/0 inches.

What is the warmest or hottest place in Arizona?

Yuma is the hottest or warmest place in Arizona, with an average maximum temperate of 25°C/77°F.

What is the coldest place in Arizona?

Tucson is the coldest place in Arizona, with an average maximum temperate of 22°C/72°F.

What is the most rainy or wettest place in Arizona?

Tucson is the most rainy or wettest place in Arizona, with an average annual rainfall of 309mm/12 inches.

What is the least rainy or driest place in Arizona?

Tempe is the least rainy or driest place in Arizona, with an average annual rainfall of 181mm/7 inches.

Average Monthly Temperatures
Average Maximum Temperature Average Minimum Temperature
Average Monthly Rainfall
PlaceMin TempMax TempAvg TempRainfall
Ahwatukee Foothills 18 31 25 181
Alhambra 18 31 25 181
Avondale 16 31 23 187
Buckeye 16 31 23 187
Central City 18 31 25 181
Chandler 18 31 25 181
Deer Valley 16 29 23 220
Encanto 18 31 25 181
Gilbert 15 31 23 263
Glendale 16 29 23 220
Goodyear 16 31 23 187
Maryvale 18 31 25 181
Mesa 18 31 25 181
Peoria 16 29 23 220
Phoenix 18 31 25 181
Scottsdale 18 31 25 181
Surprise 16 29 23 220
Tempe 18 31 25 181
Tempe Junction 18 31 25 181
Tucson 14 30 22 309
Yuma 18 32 25 -