| 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 8b: 15F to 20F |
| Average First Frost Date: | Dec. 1 - Dec. 10 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| 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 95458 - Lucerne, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 36 | 38 | 40 | 45 | 50 | 57 | 55 | 52 | 46 | 38 | 34 | 44 |
| Avg Max Temp (°F) | 53 | 55 | 60 | 65 | 73 | 81 | 89 | 89 | 84 | 74 | 59 | 53 | 70 |
| Avg Precip (In.) | 7.34 | 6.54 | 5.35 | 2.05 | .99 | .21 | .05 | .1 | .52 | 1.71 | 4.79 | 5.39 | 35.06 |