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Climate & Weather Averages in Williston, North Dakota, USA

Currently: 73 °F. Scattered clouds. (Weather station: Tioga Municipal Airport, USA). See more current weather

Annual Weather Averages in Williston

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Williston

High Temp: 85 °F

Low Temp: 2 °F

Mean Temp: 42 °F

Precipitation: 1.28"

Humidity: 67%

Dew Point: 31 °F

Wind: 14 mph

Pressure: 30.03 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Williston

High Temp: 24 °F

Low Temp: 2 °F

Mean Temp: 13 °F

Precipitation: 0.62"

Humidity: 80%

Dew Point: 8 °F

Wind: 13 mph

Pressure: 30.15 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Williston

High Temp: 27 °F

Low Temp: 5 °F

Mean Temp: 16 °F

Precipitation: 0.54"

Humidity: 78%

Dew Point: 11 °F

Wind: 13 mph

Pressure: 30.15 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Williston

High Temp: 41 °F

Low Temp: 18 °F

Mean Temp: 30 °F

Precipitation: 0.66"

Humidity: 71%

Dew Point: 21 °F

Wind: 14 mph

Pressure: 30.09 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Williston

High Temp: 56 °F

Low Temp: 29 °F

Mean Temp: 43 °F

Precipitation: 1.04"

Humidity: 59%

Dew Point: 28 °F

Wind: 16 mph

Pressure: 30.01 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Williston

High Temp: 67 °F

Low Temp: 40 °F

Mean Temp: 54 °F

Precipitation: 2.09"

Humidity: 58%

Dew Point: 39 °F

Wind: 16 mph

Pressure: 29.97 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Williston

High Temp: 77 °F

Low Temp: 50 °F

Mean Temp: 64 °F

Precipitation: 2.59"

Humidity: 63%

Dew Point: 50 °F

Wind: 14 mph

Pressure: 29.91 "Hg

Visibility: 10 mi

July Climate & Weather Averages in Williston

High Temp: 85 °F

Low Temp: 56 °F

Mean Temp: 71 °F

Precipitation: 2.55"

Humidity: 59%

Dew Point: 55 °F

Wind: 12 mph

Pressure: 29.94 "Hg

Visibility: 10 mi

August Climate & Weather Averages in Williston

High Temp: 84 °F

Low Temp: 54 °F

Mean Temp: 69 °F

Precipitation: 1.60"

Humidity: 56%

Dew Point: 52 °F

Wind: 12 mph

Pressure: 29.95 "Hg

Visibility: 10 mi

September Climate & Weather Averages in Williston

High Temp: 73 °F

Low Temp: 43 °F

Mean Temp: 58 °F

Precipitation: 1.30"

Humidity: 58%

Dew Point: 43 °F

Wind: 13 mph

Pressure: 29.98 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Williston

High Temp: 56 °F

Low Temp: 31 °F

Mean Temp: 44 °F

Precipitation: 0.98"

Humidity: 65%

Dew Point: 31 °F

Wind: 14 mph

Pressure: 30.02 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Williston

High Temp: 39 °F

Low Temp: 18 °F

Mean Temp: 29 °F

Precipitation: 0.69"

Humidity: 74%

Dew Point: 21 °F

Wind: 13 mph

Pressure: 30.09 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Williston

High Temp: 27 °F

Low Temp: 6 °F

Mean Temp: 17 °F

Precipitation: 0.67"

Humidity: 80%

Dew Point: 12 °F

Wind: 13 mph

Pressure: 30.12 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (71 °F avg)
Coldest MonthJanuary (13 °F avg)
Wettest MonthJune (2.59" avg)
Windiest MonthMay (16 mph avg)
Annual precip.15.32" (per year)

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