Weather Averages Bismarck, ND

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Weather Averages for
Bismarck, ND


Latitude: 46°46'N, Longitude: 100°46'W, Elevation: 1647.0 ft, Distance: 3.66 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 48 years
°F 42 8 15 26 43 55 64 71 69 57 46 28 15
Average high temperature
over 48 years
°F 53 19 26 37 55 68 77 84 82 71 59 39 24
Average low temperature
over 48 years
°F 30 0 3 17 31 42 51 55 53 43 32 17 3
Highest recorded temperature
over 48 years
°F 109 62 68 80 93 96 107 109 107 105 95 75 64
Lowest recorded temperature
over 48 years
°F -43 -43 -43 -31 -11 15 30 35 33 10 -9 -29 -43
Average number of rainy days
over 54 years
days 96 8 7 8 8 10 11 9 8 7 5 6 8
Average number of days above 90°F
over 48 years
days 22 - - - - 1 3 8 8 2 - - -
Average precipitation
over 48 years
in 15.8 0.5 0.4 0.8 1.5 2.2 2.9 2.4 1.8 1.4 0.9 0.6 0.5
Average dew point
over 48 years
°F 30 1 8 19 28 39 51 55 53 43 32 19 8
Most recorded rainfall
over 48 years
in 27.0 1.3 1.6 3.2 5.5 5.2 6.5 13.8 5.0 6.9 4.3 2.1 0.9
Least recorded rainfall
over 48 years
in 9.3 - - 0.1 - 0.3 0.5 0.2 - - - - -
Average number of days with thunderstorms
over 48 years
days 35 - - - 1 4 9 9 8 3 1 - -
Average number of days with fog
over 48 years
days 59 5 6 7 5 4 4 3 4 4 5 5 7
Average morning relative humidity
over 48 years
% 81 76 78 82 80 79 84 84 84 82 80 81 79
Average evening relative humidity
over 48 years
% 52 67 66 59 45 43 47 42 40 42 44 58 67
Average wind speed
over 48 years
mph 13.0 13.0 12.0 16.0 14.0 13.0 12.0 11.0 12.0 12.0 12.0 13.0 13.0
Average number of days below 32°F
over 48 years
days 187 31 28 29 18 4 - - - 3 16 28 31
Average snowfall
over 54 years
in 41.9 7.2 6.7 8.1 3.8 0.9 - - - 0.3 1.7 6.3 6.9
Average number of days above 65°F
over 48 years
days 148 - - 1 7 20 27 31 30 21 10 1 -
Average number of clear days
over 54 years
days 93 7 6 5 6 6 8 11 12 10 9 6 7
Heating degree days
over 30 years
days 8968 1730 1380 1141 660 324 116 15 69 262 598 1092 1581
Cooling degree days
over 30 years
days 488 - - - - 14 98 183 171 22 - - -
Average possibility of sunshine
over 54 years
% 59 54 54 59 59 62 64 74 72 65 58 44 47
Average number of cloudy days
over 54 years
days 165 16 15 17 15 14 12 7 8 11 14 17 17
Average number of partly cloudy days
over 54 years
days 107 8 7 9 9 11 10 13 11 9 8 7 7
Average number of days below 5°F
over 48 years
days 61 21 15 6 - - - - - - - 4 15