| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Jan. 1 - Jan. 10 | |
| Average Last Frost Date: | Feb. 1 - Feb. 10 | |
| Koppen-Geiger Climate Zone: | BSh - Hot Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 85207 - Mesa, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 42 | 45 | 50 | 58 | 67 | 75 | 74 | 68 | 57 | 45 | 39 | 55 |
| Avg Max Temp (°F) | 66 | 70 | 75 | 83 | 92 | 102 | 104 | 102 | 98 | 87 | 74 | 66 | 85 |
| Avg Precip (In.) | 1.14 | 1.28 | 1.42 | .36 | .24 | .1 | .96 | 1.33 | .91 | .92 | .99 | 1.14 | 10.79 |