Dunkerque monthly weather averages

Average daytime temperature

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

Dunkerque average temperature chart (Celsius) Dunkerque average temperature chart (Fahrenheit)
Average monthly temperatures in Dunkerque (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.8 6.4 9.1 11.6 15.6 18.4 20.4 20.7 18.6 14.8 9.6 6.8
°F 42.5 43.5 48.4 52.9 60 65.1 68.7 69.3 65.4 58.7 49.3 44.3

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.

Dunkerque monthly rainfall chart (mm) Dunkerque monthly rainfall chart (inches)
Average monthly rainfall in Dunkerque (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 56 38 52 45 49 55 56 52 65 70 79 59
inches 2.2 1.5 2.1 1.8 1.9 2.1 2.2 2.1 2.6 2.8 3.1 2.3
Rainy days 19 14 17 16 15 14 14 14 16 18 20 18

Average annual rainfall in Dunkerque: 727.9mm (286.6 inches)

Average daily sunshine

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

Dunkerque average daily sunshine chart
Average daily sunshine Dunkerque
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 3.3 4.5 6 7.3 7.8 7.5 7.8 5.6 4.2 2.8 1.8

Day / night temperatures

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

Dunkerque average minimum / maximum temperatures (Celsius) Dunkerque average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dunkerque (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.1 0.9 2.4 4.4 7.9 10.8 12.7 12.5 10.7 7.8 4.1 2.1
Max °C 6 6.5 9.3 11.8 15.8 18.6 20.6 20.9 18.8 15 9.8 7
Min °F 33.9 33.6 36.2 39.9 46.1 51.4 54.8 54.5 51.2 46 39.3 35.7
Max °F 38.3 38.7 42.4 46.6 53.2 58.5 61.9 62.1 58.5 52.5 44.4 40.1

Sea temperature

The graph below shows the average sea temperature.

Dunkerque average sea temperature chart (Celsius) Dunkerque average sea temperature chart (Fahrenheit)
Average sea temperature around Dunkerque in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.7 6.8 7 8.6 11 13.7 16.2 17.8 17.4 15.3 12.3 9.6
°F 45.9 44.2 44.5 47.4 51.7 56.6 61.2 64.1 63.3 59.5 54.2 49.2

Wind speed

The graph below shows the average wind speed.

Dunkerque average winspeed by month (km/h) Dunkerque average winspeed by month (mph)
Average wind speed in Dunkerque (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 20 19 20 18 16 16 16 16 17 20 20
mph 13 12 12 12 11 10 10 10 10 11 13 13

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.

Dunkerque relative humidity averages
Average relative humidity in Dunkerque
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 86% 83% 79% 80% 82% 81% 81% 82% 84% 88% 89%

Other monthly averages

UV index Best time to go?

Dunkerque weather stats

Dunkerque weather statistics
Hottest month: August 20.7°C 69.3°F
Driest month: February 38mm 1.5ins
Sunniest month: August 7.8hrs
Coldest month: January 5.8°C 42.4°F
Wettest month: November 79mm 3.1ins
Warmest sea: August 17.8°C 64°F
Map showing location of Dunkerque (51.05, 2.36667) Dunkerque map pin © Google

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