| 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 95453 - Lakeport, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 36 | 38 | 40 | 44 | 50 | 55 | 54 | 50 | 44 | 37 | 33 | 43 |
| Avg Max Temp (°F) | 54 | 57 | 62 | 67 | 76 | 84 | 92 | 92 | 86 | 75 | 60 | 54 | 71 |
| Avg Precip (In.) | 6.87 | 6.04 | 4.92 | 1.72 | .86 | .22 | .05 | .09 | .5 | 1.54 | 4.46 | 4.95 | 32.21 |