| 2023 Hardiness Zone: | 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: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 95467 - Hidden Valley Lake, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 37 | 40 | 45 | 51 | 56 | 54 | 51 | 44 | 37 | 33 | 43 |
| Avg Max Temp (°F) | 55 | 58 | 61 | 67 | 75 | 84 | 91 | 91 | 85 | 75 | 62 | 55 | 72 |
| Avg Precip (In.) | 8.05 | 7.21 | 5.59 | 2 | 1 | .23 | .06 | .09 | .52 | 1.71 | 4.67 | 5.77 | 36.89 |