Smartsville, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 49.8 °F (low) to 74.2 °F (high). Annual precipitation averages 32.3 Inches. Smartsville is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.5 °F | 56.0 °F | 5.81 in. |
| February | 41.3 °F | 60.6 °F | 5.57 in. |
| March | 44.0 °F | 64.9 °F | 5.24 in. |
| April | 46.4 °F | 69.5 °F | 2.5 in. |
| May | 52.1 °F | 78.5 °F | 1.38 in. |
| June | 57.7 °F | 87.3 °F | 0.42 in. |
| July | 62.4 °F | 94.0 °F | 0.01 in. |
| August | 61.6 °F | 92.9 °F | 0.08 in. |
| September | 58.4 °F | 88.4 °F | 0.2 in. |
| October | 51.5 °F | 78.3 °F | 1.62 in. |
| November | 44.1 °F | 64.4 °F | 3.24 in. |
| December | 39.1 °F | 55.8 °F | 6.23 in. |
| Annual | 49.8 °F | 74.2 °F | 32.3 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |