| 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 10a: 30F to 35F |
| Average First Frost Date: | Jan. 1 - Jan. 10 |
| Average Last Frost Date: | Feb. 11 - Feb. 20 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 95465 - Occidental, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 42 | 43 | 44 | 46 | 48 | 50 | 50 | 49 | 47 | 43 | 40 | 45 |
| Avg Max Temp (°F) | 57 | 60 | 63 | 68 | 72 | 77 | 80 | 80 | 78 | 74 | 63 | 57 | 69 |
| Avg Precip (In.) | 11.96 | 10.76 | 8.41 | 3.5 | 1.67 | .35 | .11 | .23 | .69 | 3.36 | 8.24 | 8.23 | 57.51 |