Devon monthly weather averages

Average daytime temperature

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

Devon average temperature chart (Celsius) Devon average temperature chart (Fahrenheit)
Average monthly temperatures in Devon (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -7.5 -4.7 1.1 10.5 17.4 20.8 22.5 21.4 16.5 11.2 -0.4 -6
°F 18.5 23.6 33.9 51 63.2 69.5 72.6 70.6 61.7 52.1 31.3 21.2

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.

Devon monthly rainfall chart (mm) Devon monthly rainfall chart (inches)
Average monthly rainfall in Devon (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 24 18 18 22 52 87 107 72 52 21 17 22
inches 0.9 0.7 0.7 0.9 2 3.4 4.2 2.9 2.1 0.8 0.7 0.9
Rainy days 10 8 8 6 10 14 14 13 11 6 7 8

Average annual rainfall in Devon: 452.267mm (178.1 inches)

Average daily sunshine

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

Devon average daily sunshine chart
Average daily sunshine Devon
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.5 4.7 5.8 8.4 9.6 10.3 10.6 9.7 6.6 5.8 3.8 2.9

Day / night temperatures

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

Devon average minimum / maximum temperatures (Celsius) Devon average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Devon (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -18.2 -16.2 -10.2 -2.3 3.1 7.3 9.4 8.1 3.4 -1.5 -10.5 -16.5
Max °C -7.3 -4.4 1.4 10.9 17.7 21.2 22.9 21.8 16.8 11.5 -0.1 -5.8
Min °F -0.7 2.8 13.7 28 37.6 45.1 48.8 46.5 38.1 29.3 13.2 2.4
Max °F 9.1 13.5 24.1 39.7 50.7 57.6 61 58.8 50.2 41 22.5 12

Sea temperature

The graph below shows the average sea temperature.

Devon average sea temperature chart (Celsius) Devon average sea temperature chart (Fahrenheit)
Average sea temperature around Devon in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.2 4.2 4.4 4.9 5.9 7.6 9.6 11.3 10.5 8.1 5.9 4.6
°F 39.6 39.5 39.8 40.8 42.5 45.7 49.3 52.3 50.9 46.5 42.6 40.3

Wind speed

The graph below shows the average wind speed.

Devon average winspeed by month (km/h) Devon average winspeed by month (mph)
Average wind speed in Devon (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 13 14 15 13 12 11 13 13 12 13
mph 8 8 8 9 9 8 7 7 8 8 7 8

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.

Devon relative humidity averages
Average relative humidity in Devon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 74% 63% 57% 64% 72% 73% 72% 68% 76% 75%

Other monthly averages

UV index Best time to go?

Devon weather stats

Devon weather statistics
Hottest month: July 22.5°C 72.5°F
Driest month: November 17mm 0.7ins
Sunniest month: August 9.7hrs
Coldest month: January -7.5°C 18.5°F
Wettest month: July 107mm 4.2ins
Warmest sea: August 11.3°C 52.3°F
Map showing location of Devon (53.36683, -113.73533) Devon map pin © Google

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