| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F 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 9a: 20F to 25F |
| Average First Frost Date: | Dec. 11 - Dec. 20 |
| Average Last Frost Date: | Mar. 11 - Mar. 20 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 95629 - Fiddletown, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 37 | 39 | 42 | 48 | 54 | 59 | 59 | 55 | 48 | 40 | 35 | 46 |
| Avg Max Temp (°F) | 54 | 58 | 62 | 68 | 76 | 86 | 93 | 92 | 86 | 75 | 61 | 54 | 72 |
| Avg Precip (In.) | 6.83 | 5.95 | 5.75 | 2.73 | 1.56 | .43 | .12 | .12 | .64 | 1.92 | 4.31 | 5.17 | 35.53 |