| 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. 21 - Jan. 31 | |
| 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 91330 - Northridge, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 44 | 45 | 46 | 50 | 54 | 58 | 59 | 56 | 52 | 45 | 42 | 49 |
| Avg Max Temp (°F) | 67 | 69 | 71 | 76 | 79 | 86 | 93 | 94 | 90 | 83 | 73 | 67 | 79 |
| Avg Precip (In.) | 4.01 | 4.08 | 3.52 | .79 | .26 | .05 | .02 | .18 | .27 | .52 | 1.47 | 2.11 | 17.27 |