| 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: | Dec. 11 - Dec. 20 | |
| Average Last Frost Date: | Feb. 1 - Feb. 10 | |
| Koppen-Geiger Climate Zone: | BWh - Hot Desert Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 181 - 210 days Over 86°F |
Annual Climate Data for ZIP Code 92254 - Mecca, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 43 | 49 | 55 | 62 | 68 | 74 | 75 | 68 | 57 | 44 | 37 | 56 |
| Avg Max Temp (°F) | 71 | 76 | 82 | 89 | 96 | 105 | 108 | 107 | 102 | 92 | 79 | 71 | 90 |
| Avg Precip (In.) | .66 | .57 | .38 | .07 | .02 | .01 | .14 | .23 | .4 | .21 | .19 | .31 | 3.2 |