Mead Valley, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 50.7 °F (low) to 78.3 °F (high). Annual precipitation averages 10.1 Inches. Mead Valley is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.2 °F | 65.6 °F | 2.13 in. |
| February | 41.9 °F | 65.8 °F | 2.62 in. |
| March | 44.2 °F | 69.3 °F | 1.47 in. |
| April | 46.7 °F | 73.7 °F | 0.64 in. |
| May | 51.9 °F | 79.0 °F | 0.23 in. |
| June | 56.0 °F | 86.5 °F | 0.05 in. |
| July | 61.8 °F | 93.5 °F | 0.09 in. |
| August | 62.8 °F | 94.9 °F | 0.11 in. |
| September | 59.7 °F | 91.0 °F | 0.12 in. |
| October | 53.2 °F | 81.6 °F | 0.44 in. |
| November | 46.4 °F | 73.0 °F | 0.59 in. |
| December | 41.3 °F | 65.2 °F | 1.58 in. |
| Annual | 50.7 °F | 78.3 °F | 10.07 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 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 | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |