Nevada City, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 46 °F (low) to 69.6 °F (high). Annual precipitation averages 55.6 Inches. Nevada City is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.8 °F | 53.7 °F | 9.64 in. |
| February | 36.1 °F | 55.4 °F | 9.31 in. |
| March | 38.2 °F | 59.4 °F | 8.69 in. |
| April | 41.0 °F | 63.8 °F | 4.5 in. |
| May | 47.6 °F | 72.2 °F | 2.75 in. |
| June | 54.3 °F | 81.7 °F | 0.8 in. |
| July | 60.6 °F | 89.7 °F | 0.02 in. |
| August | 60.1 °F | 89.4 °F | 0.11 in. |
| September | 55.1 °F | 84.5 °F | 0.51 in. |
| October | 47.5 °F | 73.8 °F | 2.67 in. |
| November | 39.9 °F | 60.0 °F | 5.66 in. |
| December | 35.2 °F | 52.1 °F | 10.89 in. |
| Annual | 46 °F | 69.6 °F | 55.55 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |