| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | Jan. 21 - Jan. 31 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | BWh - Hot Desert Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 85361 - Wittmann, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 44 | 50 | 57 | 66 | 74 | 74 | 67 | 55 | 43 | 38 | 54 |
| Avg Max Temp (°F) | 67 | 71 | 75 | 84 | 92 | 102 | 105 | 103 | 98 | 88 | 75 | 67 | 86 |
| Avg Precip (In.) | 1.33 | 1.41 | 1.53 | .38 | .22 | .09 | 1.01 | 1.52 | 1.04 | .78 | .87 | 1.07 | 11.25 |