Plankinton (SD) monthly weather averages

Average daytime temperature

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

Plankinton average temperature chart (Celsius) Plankinton average temperature chart (Fahrenheit)
Average monthly temperatures in Plankinton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -3.8 -0.4 6.2 15.3 21.7 27.3 30.9 29.6 24 16.9 6.7 -1.8
°F 25.2 31.2 43.1 59.5 71.1 81.1 87.6 85.3 75.2 62.5 44.1 28.8

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.

Plankinton monthly rainfall chart (mm) Plankinton monthly rainfall chart (inches)
Average monthly rainfall in Plankinton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 10 14 34 57 78 84 72 56 49 37 21 13
inches 0.4 0.6 1.4 2.3 3.1 3.3 2.8 2.2 1.9 1.4 0.8 0.5
Rainy days 6 6 8 9 10 10 9 8 7 5 5 6

Average annual rainfall in Plankinton: 470.433mm (185.2 inches)

Average daily sunshine

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

Plankinton average daily sunshine chart
Average daily sunshine Plankinton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.5 7.1 8 9 10.4 11.8 12.4 11.3 9.3 7.8 5.8 5.4

Day / night temperatures

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

Plankinton average minimum / maximum temperatures (Celsius) Plankinton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Plankinton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15.9 -12.5 -6.1 1.2 7.6 13.2 16.4 14.7 8.7 2.1 -5.6 -13.1
Max °C -3.5 -0.1 6.5 15.7 22.1 27.7 31.3 30 24.4 17.3 7 -1.5
Min °F 3.4 9.6 21.1 34.1 45.6 55.7 61.4 58.4 47.6 35.8 21.9 8.4
Max °F 14.5 20.7 32.4 47.1 58.6 68.7 74.8 72.1 61.7 49.5 33.3 18.9

Sea temperature

The graph below shows the average sea temperature.

Plankinton average sea temperature chart (Celsius) Plankinton average sea temperature chart (Fahrenheit)
Average sea temperature around Plankinton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8 8.4 9.3 10.8 12.9 15.4 18 16.9 13.8 11 9.1
°F 46.8 46.4 47.1 48.8 51.5 55.2 59.7 64.4 62.5 56.8 51.8 48.4

Wind speed

The graph below shows the average wind speed.

Plankinton average winspeed by month (km/h) Plankinton average winspeed by month (mph)
Average wind speed in Plankinton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 21 22 20 18 17 17 18 18 18 18
mph 11 11 13 14 13 11 10 11 11 11 11 11

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.

Plankinton relative humidity averages
Average relative humidity in Plankinton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 72% 71% 64% 64% 65% 64% 66% 66% 65% 71% 73%