Santa Clarita, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 51.4 °F (low) to 77.6 °F (high). Annual precipitation averages 15.9 Inches. Santa Clarita is located in USDA Plant Hardiness Zone 10a. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.3 °F | 65.3 °F | 3.47 in. |
| February | 44.0 °F | 65.9 °F | 4.77 in. |
| March | 45.8 °F | 69.6 °F | 2.38 in. |
| April | 48.1 °F | 73.6 °F | 0.76 in. |
| May | 52.0 °F | 78.3 °F | 0.37 in. |
| June | 55.9 °F | 84.7 °F | 0.03 in. |
| July | 60.7 °F | 91.7 °F | 0.05 in. |
| August | 61.2 °F | 93.2 °F | 0.01 in. |
| September | 59.0 °F | 90.0 °F | 0.08 in. |
| October | 54.4 °F | 81.5 °F | 0.58 in. |
| November | 48.1 °F | 72.7 °F | 0.74 in. |
| December | 43.8 °F | 64.7 °F | 2.65 in. |
| Annual | 51.4 °F | 77.6 °F | 15.89 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |