| 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: | Jan. 11 - Jan. 20 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 91344 - Granada Hills, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 44 | 45 | 47 | 51 | 55 | 58 | 60 | 57 | 52 | 46 | 43 | 50 |
| Avg Max Temp (°F) | 66 | 68 | 70 | 75 | 78 | 85 | 92 | 93 | 88 | 81 | 72 | 66 | 78 |
| Avg Precip (In.) | 4.14 | 4.39 | 3.81 | .9 | .22 | .06 | .02 | .15 | .35 | .51 | 1.52 | 2.24 | 18.31 |