Devils Lake (ND) monthly weather averages

Average daytime temperature

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

Devils Lake average temperature chart (Celsius) Devils Lake average temperature chart (Fahrenheit)
Average monthly temperatures in Devils Lake (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -11 -7 0.2 10.4 18.2 24.1 27.4 26.9 20.2 13.7 2.5 -7.2
°F 12.3 19.4 32.3 50.6 64.8 75.4 81.2 80.5 68.3 56.7 36.5 19

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.

Devils Lake monthly rainfall chart (mm) Devils Lake monthly rainfall chart (inches)
Average monthly rainfall in Devils Lake (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 15 13 22 27 55 83 68 53 50 30 17 14
inches 0.6 0.5 0.9 1.1 2.2 3.3 2.7 2.1 2 1.2 0.7 0.6
Rainy days 8 7 7 8 10 11 10 9 8 6 6 8

Average annual rainfall in Devils Lake: 393.666mm (155 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Devils Lake

Devils Lake average daily sunshine chart
Average daily sunshine Devils Lake
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.8 5.5 6.4 7.9 9.4 10.3 11.5 10.3 7.5 6.1 4 3.9

Day / night temperatures

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

Devils Lake average minimum / maximum temperatures (Celsius) Devils Lake average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Devils Lake (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -21.7 -18.1 -10.5 -1.9 4.3 10.8 13.3 12.1 6.1 0.8 -7.8 -17.4
Max °C -10.7 -6.8 0.5 10.7 18.6 24.5 27.7 27.3 20.5 14.1 2.8 -7
Min °F -7.1 -0.5 13.2 28.7 39.7 51.4 55.9 53.8 43 33.4 18.1 0.7
Max °F 2.8 9.7 23 39.9 52.5 63.7 68.9 67.5 55.9 45.3 27.5 10

Sea temperature

The graph below shows the average sea temperature.

Devils Lake average sea temperature chart (Celsius) Devils Lake average sea temperature chart (Fahrenheit)
Average sea temperature around Devils Lake in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.2 5 5.3 6.1 7.2 9.1 11.8 14.9 13.8 10.5 7.6 5.9
°F 41.4 41.1 41.6 42.9 45 48.4 53.2 58.8 56.8 50.9 45.7 42.5

Wind speed

The graph below shows the average wind speed.

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

Devils Lake relative humidity averages
Average relative humidity in Devils Lake
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 76% 76% 66% 60% 66% 67% 66% 68% 69% 76% 77%