Currently: 74 °F. Clear. (Weather station: Bismarck Municipal Airport, USA). See more current weatherAnnual Weather Averages in Bismarck
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Bismarck
High Temp: 84 °F
Low Temp: 3 °F
Mean Temp: 43 °F
Precipitation: 1.55"
Humidity: 68%
Dew Point: 33 °F
Wind: 15 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Bismarck
High Temp: 24 °F
Low Temp: 3 °F
Mean Temp: 14 °F
Precipitation: 0.50"
Humidity: 79%
Dew Point: 8 °F
Wind: 14 mph
Pressure: 30.14 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Bismarck
High Temp: 27 °F
Low Temp: 7 °F
Mean Temp: 17 °F
Precipitation: 0.51"
Humidity: 76%
Dew Point: 11 °F
Wind: 14 mph
Pressure: 30.14 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Bismarck
High Temp: 41 °F
Low Temp: 19 °F
Mean Temp: 30 °F
Precipitation: 0.75"
Humidity: 71%
Dew Point: 22 °F
Wind: 16 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Bismarck
High Temp: 56 °F
Low Temp: 30 °F
Mean Temp: 43 °F
Precipitation: 1.33"
Humidity: 61%
Dew Point: 29 °F
Wind: 17 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Bismarck
High Temp: 68 °F
Low Temp: 42 °F
Mean Temp: 55 °F
Precipitation: 2.44"
Humidity: 61%
Dew Point: 41 °F
Wind: 17 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Bismarck
High Temp: 78 °F
Low Temp: 53 °F
Mean Temp: 65 °F
Precipitation: 3.08"
Humidity: 65%
Dew Point: 53 °F
Wind: 15 mph
Pressure: 29.89 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Bismarck
High Temp: 84 °F
Low Temp: 58 °F
Mean Temp: 71 °F
Precipitation: 3.14"
Humidity: 64%
Dew Point: 58 °F
Wind: 13 mph
Pressure: 29.93 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Bismarck
High Temp: 83 °F
Low Temp: 56 °F
Mean Temp: 69 °F
Precipitation: 2.35"
Humidity: 63%
Dew Point: 56 °F
Wind: 13 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Bismarck
High Temp: 74 °F
Low Temp: 46 °F
Mean Temp: 60 °F
Precipitation: 1.71"
Humidity: 63%
Dew Point: 46 °F
Wind: 14 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Bismarck
High Temp: 57 °F
Low Temp: 33 °F
Mean Temp: 45 °F
Precipitation: 1.47"
Humidity: 66%
Dew Point: 34 °F
Wind: 15 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Bismarck
High Temp: 41 °F
Low Temp: 20 °F
Mean Temp: 31 °F
Precipitation: 0.65"
Humidity: 72%
Dew Point: 22 °F
Wind: 14 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Bismarck
High Temp: 28 °F
Low Temp: 8 °F
Mean Temp: 18 °F
Precipitation: 0.63"
Humidity: 78%
Dew Point: 13 °F
Wind: 14 mph
Pressure: 30.10 "Hg
Visibility: 9 mi