| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 93645 - O Neals, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 42 | 44 | 50 | 57 | 62 | 61 | 57 | 50 | 41 | 36 | 48 |
| Avg Max Temp (°F) | 55 | 60 | 65 | 72 | 82 | 91 | 97 | 96 | 90 | 79 | 64 | 55 | 76 |
| Avg Precip (In.) | 3.56 | 3.35 | 3.44 | 1.34 | .59 | .21 | .04 | .02 | .36 | 1.02 | 1.94 | 2.4 | 18.27 |