| 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: | 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 93280 - Wasco, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 44 | 47 | 53 | 59 | 64 | 63 | 58 | 49 | 40 | 35 | 49 |
| Avg Max Temp (°F) | 56 | 64 | 70 | 78 | 86 | 94 | 99 | 97 | 92 | 82 | 67 | 57 | 79 |
| Avg Precip (In.) | 1.36 | 1.39 | 1.59 | .57 | .25 | .12 | .01 | .03 | .19 | .35 | .66 | .88 | 7.4 |