| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 10b: 35F to 40F | |
| Average First Frost Date: | Frost Rare | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 91345 - Mission Hills, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 45 | 46 | 48 | 52 | 55 | 59 | 60 | 58 | 53 | 46 | 44 | 51 |
| Avg Max Temp (°F) | 67 | 69 | 71 | 75 | 78 | 84 | 91 | 93 | 89 | 82 | 73 | 67 | 78 |
| Avg Precip (In.) | 4.04 | 4.43 | 3.68 | .93 | .27 | .07 | .03 | .14 | .34 | .51 | 1.38 | 2.23 | 18.08 |