| 2023 Hardiness Zone: | 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: | Jan. 11 - Jan. 20 |
| Average Last Frost Date: | Jan. 21 - Jan. 31 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 94949 - Novato, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 44 | 46 | 47 | 50 | 54 | 55 | 55 | 54 | 51 | 46 | 42 | 49 |
| Avg Max Temp (°F) | 57 | 61 | 64 | 69 | 72 | 78 | 81 | 81 | 79 | 74 | 64 | 57 | 70 |
| Avg Precip (In.) | 7.43 | 6.93 | 4.96 | 1.8 | .71 | .14 | .06 | .09 | .36 | 1.75 | 4.87 | 5.21 | 34.29 |