| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | October 1 - 10 | |
| Average Last Frost Date: | May 21 - 31 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 96044 - Hornbrook, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 28 | 30 | 33 | 39 | 45 | 52 | 51 | 45 | 37 | 30 | 26 | 37 |
| Avg Max Temp (°F) | 43 | 47 | 52 | 58 | 68 | 76 | 85 | 85 | 80 | 66 | 50 | 43 | 63 |
| Avg Precip (In.) | 2.89 | 2.42 | 1.77 | 1.14 | 1.17 | .86 | .37 | .56 | .69 | 1.38 | 3.03 | 3.32 | 19.58 |