| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F 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. 21 - Feb. 29 |
| 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 95627 - Esparto, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 43 | 46 | 51 | 56 | 58 | 57 | 55 | 49 | 41 | 36 | 47 |
| Avg Max Temp (°F) | 55 | 61 | 66 | 73 | 82 | 89 | 95 | 94 | 89 | 80 | 65 | 55 | 75 |
| Avg Precip (In.) | 4.68 | 4.13 | 3.24 | 1.13 | .55 | .14 | .04 | .05 | .28 | 1.04 | 2.65 | 3.22 | 21.13 |