| 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. 21 - Dec. 31 |
| 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 95628 - Fair Oaks, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 42 | 45 | 47 | 52 | 57 | 60 | 59 | 57 | 51 | 44 | 38 | 49 |
| Avg Max Temp (°F) | 54 | 61 | 66 | 73 | 81 | 89 | 94 | 93 | 89 | 79 | 64 | 55 | 75 |
| Avg Precip (In.) | 4.14 | 3.81 | 3.43 | 1.42 | .65 | .23 | .07 | .06 | .4 | 1.12 | 2.71 | 3.02 | 21.05 |