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     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     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 1.2 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     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 • Bismarck Weather • Fargo Weather