
| Month | Low | High |
|---|---|---|
| Jan | 18.5°F | 41.6°F |
| Feb | 23.6°F | 48.5°F |
| Mar | 27.0°F | 55.1°F |
| Apr | 30.7°F | 62.6°F |
| May | 38.4°F | 72.0°F |
| Jun | 45.8°F | 82.7°F |
| Jul | 51.8°F | 92.2°F |
| Aug | 49.2°F | 90.6°F |
| Sept | 40.2°F | 80.4°F |
| Oct | 30.2°F | 67.3°F |
| Nov | 23.3°F | 51.4°F |
| Dec | 17.0°F | 42.2°F |
Winnemucca's coldest month is December when the average temperature overnight is 17.0°F. In July, the warmest month, the average day time temperature rises to 92.2°F.

| Month | Precipitation |
|---|---|
| Jan | 0.83in. |
| Feb | 0.62in. |
| Mar | 0.86in. |
| Apr | 0.85in. |
| May | 1.06in. |
| Jun | 0.69in. |
| Jul | 0.27in. |
| Aug | 0.35in. |
| Sept | 0.53in. |
| Oct | 0.66in. |
| Nov | 0.80in. |
| Dec | 0.81in. |
The driest month in Winnemucca is July with 0.27 inches of precipitation, and with 1.06 inches May is the wettest month.