| 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: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 93926 - Gonzales, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 42 | 43 | 47 | 50 | 52 | 52 | 51 | 47 | 41 | 37 | 45 |
| Avg Max Temp (°F) | 61 | 64 | 65 | 69 | 72 | 75 | 77 | 78 | 79 | 76 | 67 | 61 | 70 |
| Avg Precip (In.) | 2.58 | 2.36 | 2.46 | .83 | .18 | .09 | .04 | .07 | .21 | .6 | 1.5 | 1.69 | 12.61 |