| 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. 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 95219 - Stockton, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 43 | 46 | 51 | 55 | 58 | 57 | 55 | 49 | 41 | 36 | 47 |
| Avg Max Temp (°F) | 54 | 62 | 67 | 73 | 81 | 87 | 92 | 91 | 88 | 79 | 65 | 55 | 74 |
| Avg Precip (In.) | 3.29 | 3.04 | 2.65 | 1.14 | .54 | .12 | .05 | .05 | .34 | .92 | 1.97 | 2.31 | 16.4 |