| 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 Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | Dec. 11 - Dec. 20 | |
| Average Last Frost Date: | Feb. 11 - Feb. 20 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 93215 - Delano, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 41 | 44 | 48 | 54 | 60 | 64 | 63 | 59 | 50 | 41 | 35 | 50 |
| Avg Max Temp (°F) | 56 | 64 | 70 | 78 | 86 | 94 | 99 | 97 | 92 | 82 | 67 | 56 | 78 |
| Avg Precip (In.) | 1.38 | 1.46 | 1.57 | .56 | .33 | .06 | 0 | .02 | .22 | .39 | .75 | .89 | 7.63 |