| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 10a: 30°F to 35°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| 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 91390 - Santa Clarita, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 39 | 40 | 43 | 48 | 54 | 59 | 60 | 57 | 49 | 42 | 37 | 47 |
| Avg Max Temp (°F) | 60 | 63 | 65 | 71 | 78 | 86 | 92 | 93 | 88 | 78 | 67 | 61 | 75 |
| Avg Precip (In.) | 3.96 | 4.26 | 3.96 | 1.11 | .46 | .12 | .03 | .15 | .35 | .58 | 1.47 | 2.3 | 18.75 |