Bismarck (ND) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Bismarck

Bismarck average temperature chart (Celsius) Bismarck average temperature chart (Fahrenheit)
Average monthly temperatures in Bismarck (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -7 -3.4 3.2 12.4 19.6 24.8 28.8 27.9 21.2 14.5 3.8 -4.6
°F 19.4 25.9 37.8 54.4 67.2 76.7 83.9 82.2 70.1 58 38.8 23.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Bismarck monthly rainfall chart (mm) Bismarck monthly rainfall chart (inches)
Average monthly rainfall in Bismarck (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 10 10 18 40 56 72 55 44 37 23 12 12
inches 0.4 0.4 0.7 1.6 2.2 2.8 2.2 1.7 1.5 0.9 0.5 0.5
Rainy days 8 7 8 9 10 11 9 8 7 6 6 8

Average annual rainfall in Bismarck: 335mm (131.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Bismarck

Bismarck average daily sunshine chart
Average daily sunshine Bismarck
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.5 6.1 7.8 8.8 10.2 11.4 12.4 11 8.9 6.8 4.6 4.6

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Bismarck average minimum / maximum temperatures (Celsius) Bismarck average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bismarck (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -18.7 -14.9 -8.1 -0.6 5.7 11.1 13.8 12.4 6.3 0.4 -7.9 -15.9
Max °C -6.7 -3.1 3.5 12.8 19.9 25.2 29.2 28.3 21.6 14.8 4.1 -4.3
Min °F -1.7 5.2 17.4 31 42.3 51.9 56.8 54.2 43.3 32.7 17.9 3.4
Max °F 9.1 15.8 27.9 43 55 64.6 70.7 68.5 57 45.7 28.6 13.8

Sea temperature

The graph below shows the average sea temperature.

Bismarck average sea temperature chart (Celsius) Bismarck average sea temperature chart (Fahrenheit)
Average sea temperature around Bismarck in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.6 6.4 6.7 7.5 8.7 10.7 13.2 15.9 14.9 11.8 9.1 7.3
°F 43.9 43.6 44.1 45.5 47.7 51.2 55.7 60.5 58.7 53.2 48.3 45.2

Wind speed

The graph below shows the average wind speed.

Bismarck average winspeed by month (km/h) Bismarck average winspeed by month (mph)
Average wind speed in Bismarck (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 18 20 19 17 16 16 17 17 16 16
mph 11 11 11 12 12 11 10 10 10 11 10 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Bismarck relative humidity averages
Average relative humidity in Bismarck
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 72% 70% 62% 60% 65% 62% 61% 64% 64% 72% 75%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Bismarck weather stats

Bismarck weather statistics
Hottest month: July 28.8°C 83.8°F
Driest month: January 10mm 0.4ins
Sunniest month: July 12.4hrs
Coldest month: January -7°C 19.4°F
Wettest month: June 72mm 2.8ins
Warmest sea: August 15.9°C 60.6°F
Map showing location of Bismarck (46.80833, -100.78374) Bismarck map pin © Google

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