| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Dec. 1 - Dec. 10 | |
| Average Last Frost Date: | Feb. 11 - Feb. 20 | |
| Koppen-Geiger Climate Zone: | BWk - Cold Desert Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 93251 - Mc Kittrick, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 38 | 41 | 44 | 50 | 57 | 62 | 61 | 57 | 48 | 39 | 33 | 47 |
| Avg Max Temp (°F) | 57 | 62 | 65 | 73 | 81 | 89 | 95 | 94 | 88 | 79 | 65 | 57 | 75 |
| Avg Precip (In.) | 1.37 | 1.39 | 1.68 | .49 | .26 | .07 | .02 | .1 | .31 | .31 | .63 | .87 | 7.5 |