Smith Corner, California has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 49.5 °F (low) to 77.3 °F (high). Annual precipitation averages 6.9 Inches. Smith Corner is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.1 °F | 57.4 °F | 1.37 in. |
| February | 39.9 °F | 63.5 °F | 1.27 in. |
| March | 43.8 °F | 69.4 °F | 1.27 in. |
| April | 46.8 °F | 75.0 °F | 0.56 in. |
| May | 53.4 °F | 83.2 °F | 0.28 in. |
| June | 59.4 °F | 91.1 °F | 0.06 in. |
| July | 65.0 °F | 96.5 °F | 0.01 in. |
| August | 63.6 °F | 95.8 °F | 0.0 in. |
| September | 58.8 °F | 91.0 °F | 0.04 in. |
| October | 49.9 °F | 80.6 °F | 0.28 in. |
| November | 40.7 °F | 66.8 °F | 0.58 in. |
| December | 35.3 °F | 57.6 °F | 1.18 in. |
| Annual | 49.5 °F | 77.3 °F | 6.9 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |