| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | November 21 - 30 | |
| Average Last Frost Date: | March 21 - 31 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 91350 - Santa Clarita, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 39 | 40 | 43 | 47 | 52 | 56 | 57 | 55 | 49 | 42 | 38 | 46 |
| Avg Max Temp (°F) | 65 | 66 | 68 | 74 | 79 | 88 | 94 | 95 | 90 | 82 | 72 | 65 | 78 |
| Avg Precip (In.) | 3.88 | 4.17 | 3.47 | .82 | .26 | .06 | .02 | .14 | .28 | .54 | 1.34 | 2.22 | 17.2 |