Climate for Williston, North Dakota
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Average Temperatures for Williston
| Month | Low | High |
|---|---|---|
| Jan | -3.3°F | 19.4°F |
| Feb | 5.9°F | 27.6°F |
| Mar | 17.2°F | 40.1°F |
| Apr | 29.1°F | 56.0°F |
| May | 40.9°F | 68.2°F |
| Jun | 50.1°F | 77.3°F |
| Jul | 55.2°F | 83.4°F |
| Aug | 53.8°F | 82.8°F |
| Sept | 42.2°F | 70.0°F |
| Oct | 30.2°F | 57.0°F |
| Nov | 14.9°F | 36.2°F |
| Dec | 2.1°F | 24.0°F |
Williston's coldest month is January when the average temperature overnight is -3.3°F. In July, the warmest month, the average day time temperature rises to 83.4°F.
Average Rainfall for Williston
| Month | Precipitation |
|---|---|
| Jan | 0.54in. |
| Feb | 0.39in. |
| Mar | 0.74in. |
| Apr | 1.05in. |
| May | 1.88in. |
| Jun | 2.36in. |
| Jul | 2.28in. |
| Aug | 1.48in. |
| Sept | 1.35in. |
| Oct | 0.87in. |
| Nov | 0.65in. |
| Dec | 0.57in. |
The driest month in Williston is February with 0.39 inches of precipitation, and with 2.36 inches June is the wettest month.