Arizona climate by month
January highs across Arizona range from 43°F in Flagstaff to 70°F in Yuma; July highs from 82°F in Flagstaff to 107°F in Yuma. The most common best months across these cities are January, February, May.
Arizona weather month by month
Average of the 13 Arizona cities on this site, computed from NOAA's unrounded values (so it can differ by a degree from averaging the rounded city figures); individual cities differ, sometimes a lot.
| Month | High | Low | Wet days | Snow |
|---|---|---|---|---|
| January | 61°F | 37°F | 4 | 2.8 in |
| February | 65°F | 40°F | 4 | 2.2 in |
| March | 72°F | 45°F | 4 | 1.9 in |
| April | 79°F | 50°F | 2 | 0.7 in |
| May | 88°F | 59°F | 2 | 0.09 in |
| June | 98°F | 67°F | 1 | 0.0 in |
| July | 101°F | 75°F | 5 | 0.0 in |
| August | 99°F | 74°F | 6 | 0.0 in |
| September | 94°F | 67°F | 4 | 0.0 in |
| October | 83°F | 55°F | 3 | 0.2 in |
| November | 70°F | 44°F | 2 | 0.8 in |
| December | 60°F | 36°F | 4 | 2.2 in |
Regional differences
Warmest and coolest Arizona city each month
| Month | Warmest | Coolest | Best month for |
|---|---|---|---|
| January | Yuma 70°F | Flagstaff 43°F | 8 cities |
| February | Yuma 73°F | Flagstaff 46°F | 9 cities |
| March | Yuma 80°F | Flagstaff 52°F | 1 city |
| April | San Tan Valley 86°F | Flagstaff 59°F | 2 cities |
| May | San Tan Valley 95°F | Flagstaff 68°F | 2 cities |
| June | San Tan Valley 105°F | Flagstaff 79°F | – |
| July | Yuma 107°F | Flagstaff 82°F | – |
| August | Yuma 106°F | Flagstaff 79°F | – |
| September | Yuma 101°F | Flagstaff 74°F | 1 city |
| October | San Tan Valley 91°F | Flagstaff 64°F | – |
| November | San Tan Valley 78°F | Flagstaff 52°F | 1 city |
| December | Yuma 68°F | Flagstaff 43°F | 2 cities |
By normal daily high. "Best month for": how many of the 13 cities have it among their best months by our comfort score.
Frost and humidity across Arizona
All Arizona cities
| City | Jan high | Jul high | Wet days/yr | Snow/yr | Best months |
|---|---|---|---|---|---|
| Flagstaff | 43°F | 82°F | 82 | 90.1 in | May, Sep |
| Gilbert | 68°F | 107°F | 34 | 0.0 in | Jan, Feb |
| Glendale | 65°F | 105°F | 33 | 0.0 in | Feb |
| Goodyear | 65°F | 105°F | 23 | 0.0 in | Jan, Feb, Nov |
| Grand Canyon Village | 44°F | 85°F | 72 | 43.0 in | May |
| Mesa | 68°F | 107°F | 34 | 0.0 in | Jan, Feb |
| Page | 46°F | 98°F | 44 | 3.1 in | Apr |
| Peoria | 65°F | 105°F | 31 | 0.0 in | Jan, Feb |
| Phoenix | 68°F | 107°F | 33 | 0.0 in | Jan, Feb |
| San Tan Valley | 68°F | 107°F | 37 | 0.0 in | Jan, Feb, Dec |
| Sedona | 58°F | 97°F | 55 | 6.3 in | Apr |
| Tucson | 67°F | 100°F | 47 | 0.1 in | Jan, Feb, Mar |
| Yuma | 70°F | 107°F | 17 | 0.0 in | Jan, Feb, Dec |
Also covered: Avondale (see Goodyear), Buckeye (see Peoria), Chandler (see Phoenix), Scottsdale (see Phoenix), Surprise (see Peoria), Tempe (see Gilbert). These cities use the same weather stations as the city named.