| 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 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: | Dec. 11 - Dec. 20 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 94945 - Novato, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 43 | 45 | 46 | 50 | 53 | 54 | 55 | 54 | 50 | 45 | 40 | 48 |
| Avg Max Temp (°F) | 57 | 62 | 65 | 70 | 74 | 79 | 82 | 82 | 81 | 76 | 65 | 58 | 71 |
| Avg Precip (In.) | 5.94 | 5.55 | 4.25 | 1.47 | .75 | .15 | .05 | .09 | .32 | 1.51 | 3.95 | 4.2 | 28.23 |