| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Jan. 1 - Jan. 10 | |
| Average Last Frost Date: | Feb. 1 - Feb. 10 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 95329 - La Grange, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 39 | 41 | 43 | 49 | 55 | 59 | 59 | 55 | 47 | 40 | 35 | 47 |
| Avg Max Temp (°F) | 54 | 61 | 65 | 72 | 80 | 89 | 94 | 93 | 89 | 79 | 64 | 55 | 75 |
| Avg Precip (In.) | 2.98 | 2.83 | 2.7 | 1.15 | .5 | .12 | .05 | .06 | .31 | .87 | 1.82 | 1.97 | 15.36 |