Milbank (SD) monthly weather averages

Average daytime temperature

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

Milbank average temperature chart (Celsius) Milbank average temperature chart (Fahrenheit)
Average monthly temperatures in Milbank (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -6.6 -3.7 3.2 12.9 20.5 25.9 29.1 27.8 22.1 15.3 4.5 -4.1
°F 20.1 25.4 37.8 55.3 68.9 78.7 84.4 82.1 71.7 59.6 40.2 24.6

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.

Milbank monthly rainfall chart (mm) Milbank monthly rainfall chart (inches)
Average monthly rainfall in Milbank (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 12 13 32 58 68 90 80 70 52 48 24 13
inches 0.5 0.5 1.3 2.3 2.7 3.5 3.1 2.8 2 1.9 1 0.5
Rainy days 7 7 8 9 10 11 9 9 8 6 6 7

Average annual rainfall in Milbank: 507.467mm (199.8 inches)

Average daily sunshine

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

Milbank average daily sunshine chart
Average daily sunshine Milbank
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.6 7.6 8.7 10 11.3 12.2 10.9 8.7 6.9 4.8 4.5

Day / night temperatures

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

Milbank average minimum / maximum temperatures (Celsius) Milbank average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Milbank (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -18.5 -15.4 -7.7 -0.1 6.8 12.4 15.2 13.9 7.8 1.6 -6.4 -14.8
Max °C -6.4 -3.4 3.5 13.3 20.9 26.3 29.5 28.2 22.4 15.7 4.8 -3.9
Min °F -1.2 4.3 18.1 31.9 44.2 54.2 59.3 56.9 46 34.8 20.5 5.5
Max °F 9.7 15.1 28.2 43.9 56.8 66.7 72.1 69.8 59.2 47.5 30.6 15.3

Sea temperature

The graph below shows the average sea temperature.

Milbank average sea temperature chart (Celsius) Milbank average sea temperature chart (Fahrenheit)
Average sea temperature around Milbank in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.8 6.6 7 7.9 9.3 11.4 14.1 17 15.9 12.5 9.6 7.7
°F 44.3 44 44.6 46.3 48.8 52.5 57.3 62.6 60.6 54.5 49.2 45.8

Wind speed

The graph below shows the average wind speed.

Milbank average winspeed by month (km/h) Milbank average winspeed by month (mph)
Average wind speed in Milbank (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 22 22 21 19 17 18 18 19 19 19
mph 12 12 14 14 13 12 11 11 11 12 12 12

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.

Milbank relative humidity averages
Average relative humidity in Milbank
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 73% 73% 66% 62% 67% 66% 68% 70% 68% 75% 76%