Winnemucca, Nevada has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.2 °F (low) to 66 °F (high). Annual precipitation averages 8.3 Inches. Winnemucca is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.3 °F | 42.2 °F | 0.84 in. |
| February | 22.8 °F | 48.0 °F | 0.74 in. |
| March | 27.4 °F | 56.0 °F | 0.72 in. |
| April | 31.8 °F | 61.9 °F | 1.01 in. |
| May | 39.5 °F | 71.6 °F | 1.22 in. |
| June | 46.8 °F | 82.1 °F | 0.58 in. |
| July | 54.4 °F | 93.2 °F | 0.19 in. |
| August | 51.1 °F | 91.8 °F | 0.16 in. |
| September | 42.5 °F | 82.2 °F | 0.33 in. |
| October | 31.7 °F | 67.9 °F | 0.78 in. |
| November | 24.1 °F | 52.9 °F | 0.75 in. |
| December | 18.5 °F | 41.6 °F | 1.01 in. |
| Annual | 34.2 °F | 66 °F | 8.33 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |