Arizona Climate Data
NOAA 30-year climate normals for all 15 counties.
State Avg Temp
63.5°F
Hottest County
Yuma County
74.1°F avg
Coldest County
Apache County
51.4°F avg
Wettest County
Gila County
19.0" precip
All Arizona Counties
Apache County
51.4°F avg
Cochise County
61.8°F avg
Coconino County
52.1°F avg
Gila County
62.6°F avg
Graham County
62.2°F avg
Greenlee County
64.3°F avg
La Paz County
72.4°F avg
Maricopa County
71.8°F avg
Mohave County
65.9°F avg
Navajo County
52.9°F avg
Pima County
68.1°F avg
Pinal County
70.1°F avg
Santa Cruz County
61.7°F avg
Yavapai County
60.4°F avg
Yuma County
74.1°F avg
Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.