| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Dec. 11 - Dec. 20 |
| Average Last Frost Date: | Feb. 11 - Feb. 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 95618 - Davis, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 43 | 46 | 51 | 56 | 57 | 57 | 55 | 49 | 42 | 37 | 48 |
| Avg Max Temp (°F) | 54 | 60 | 65 | 72 | 80 | 88 | 93 | 92 | 88 | 79 | 64 | 54 | 74 |
| Avg Precip (In.) | 4.17 | 3.78 | 3.06 | 1.02 | .57 | .18 | .04 | .05 | .29 | .95 | 2.44 | 2.87 | 19.41 |