Williston
The tables below display average monthly climate and weather indicators in Williston North Dakota.
Temperature by: Fahrenheit / Centigrade
Williston Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Avg. Temperature | -12.8 | -8.8 | -2.0 | 6.2 | 12.9 | 18.2 | 21.5 | 20.4 | 13.5 | 7.1 | -2.7 | -10.4 | 5.3 |
Avg. Max Temperature | -6.9 | -2.9 | 4.1 | 13.2 | 20.2 | 25.6 | 29.3 | 28.5 | 21.2 | 14.5 | 3.3 | -4.7 | 12.1 |
Avg. Min Temperature | -18.8 | -14.8 | -8.1 | -0.8 | 5.7 | 10.8 | 13.6 | 12.3 | 5.8 | -0.3 | -8.7 | -16.2 | -1.7 |
Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 1.0 | 3.0 | 8.0 | 9.0 | 2.0 | < 0.5 | 0.0 | 0.0 | 23.0 |
Days with Min Temp Below Freezing | 31.0 | 28.0 | 29.0 | 18.0 | 4.0 | < 0.5 | 0.0 | 0.0 | 3.0 | 16.0 | 29.0 | 31.0 | 188 |
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Williston Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Heating Degree Days | 1739 | 1369 | 1135 | 654 | 316 | 115 | 26.0 | 76.0 | 294 | 626 | 1134 | 1606 | 9090 |
Cooling Degree Days | 0.0 | 0.0 | 0.0 | 0.0 | 15.0 | 106 | 203 | 191 | 33.0 | 0.0 | 0.0 | 0.0 | 548 |
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Williston Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Precipitation (inches) | 0.5 | 0.4 | 0.7 | 1.3 | 2.0 | 2.3 | 2.1 | 1.3 | 1.3 | 0.8 | 0.5 | 0.6 | 13.7 |
Days with Precipitation 0.01 inch or More | 8.0 | 6.0 | 8.0 | 8.0 | 10.0 | 11.0 | 9.0 | 7.0 | 7.0 | 5.0 | 7.0 | 9.0 | 94.0 |
Monthly Snowfall (inches) | 8.1 | 5.5 | 6.9 | 4.3 | 0.7 | < 0.05 | < 0.05 | < 0.05 | 0.3 | 1.7 | 5.6 | 7.9 | 41.0 |
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Other Williston Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Average Wind Speed | 9.6 | 9.8 | 10.2 | 11.1 | 11.1 | 10.3 | 9.3 | 9.5 | 9.8 | 10.0 | 9.1 | 9.5 | 9.9 |
Clear Days | 6.0 | 6.0 | 7.0 | 6.0 | 6.0 | 8.0 | 12.0 | 11.0 | 10.0 | 9.0 | 6.0 | 7.0 | 93.0 |
Partly Cloudy Days | 8.0 | 8.0 | 8.0 | 9.0 | 11.0 | 11.0 | 12.0 | 12.0 | 9.0 | 8.0 | 7.0 | 7.0 | 112 |
Cloudy Days | 17.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 7.0 | 8.0 | 11.0 | 14.0 | 16.0 | 17.0 | 160 |
Percent of Possible Sunshine | 51.0 | 57.0 | 61.0 | 60.0 | 62.0 | 66.0 | 74.0 | 73.0 | 67.0 | 59.0 | 44.0 | 48.0 | 60.0 |
Avg. Relative Humidity | 58.0 | 77.0 | 77.0 | 72.5 | 65.0 | 65.0 | 65.5 | 63.0 | 63.5 | 65.5 | 68.5 | 74.5 | 77.0 |
Weather information for other cities in North Dakota