| 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: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 95425 - Cloverdale, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 41 | 43 | 45 | 49 | 53 | 55 | 55 | 54 | 50 | 43 | 38 | 47 |
| Avg Max Temp (°F) | 56 | 60 | 64 | 71 | 78 | 86 | 91 | 90 | 86 | 77 | 63 | 56 | 73 |
| Avg Precip (In.) | 8.3 | 8.01 | 6.35 | 2.35 | .97 | .14 | .05 | .11 | .57 | 2.1 | 5.66 | 6.53 | 41.14 |