| 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 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 92066 - Ranchita, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 34 | 36 | 39 | 44 | 51 | 58 | 58 | 53 | 45 | 37 | 33 | 44 |
| Avg Max Temp (°F) | 58 | 60 | 63 | 68 | 75 | 85 | 92 | 91 | 86 | 76 | 65 | 59 | 73 |
| Avg Precip (In.) | 3.1 | 2.98 | 3.05 | .88 | .35 | .01 | .48 | .57 | .25 | .41 | .85 | 1.52 | 14.45 |