Harnes monthly weather averages

Average daytime temperature

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

Harnes average temperature chart (Celsius) Harnes average temperature chart (Fahrenheit)
Average monthly temperatures in Harnes (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.3 6.4 9.4 12.6 16.7 19.8 21.8 22 19.2 14.8 9.3 6.1
°F 41.6 43.5 48.9 54.7 62.1 67.6 71.2 71.5 66.5 58.7 48.7 43

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.

Harnes monthly rainfall chart (mm) Harnes monthly rainfall chart (inches)
Average monthly rainfall in Harnes (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 58 47 57 48 59 62 63 56 62 68 72 64
inches 2.3 1.9 2.2 1.9 2.3 2.4 2.5 2.2 2.5 2.7 2.8 2.5
Rainy days 19 15 18 17 17 15 14 15 15 17 19 18

Average annual rainfall in Harnes: 769.234mm (302.8 inches)

Average daily sunshine

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

Harnes average daily sunshine chart
Average daily sunshine Harnes
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 3.3 4.2 6 7 7.7 7.4 7.3 5.7 4.2 2.7 1.8

Day / night temperatures

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

Harnes average minimum / maximum temperatures (Celsius) Harnes average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Harnes (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 0.7 2.5 4.4 7.9 10.8 12.6 12.4 10.4 7.4 3.6 1.4
Max °C 5.5 6.5 9.6 12.8 17 20 22 22.2 19.4 15 9.4 6.2
Min °F 33 33.3 36.4 39.9 46.1 51.4 54.7 54.3 50.7 45.3 38.5 34.5
Max °F 37.4 38.5 42.8 47.5 54.3 59.7 63.1 63.1 58.8 52.2 43.7 38.8

Sea temperature

The graph below shows the average sea temperature.

Harnes average sea temperature chart (Celsius) Harnes average sea temperature chart (Fahrenheit)
Average sea temperature around Harnes in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 7.3 7.4 8.9 11.2 13.8 16.2 17.8 17.5 15.5 12.7 10
°F 46.8 45.1 45.3 48.1 52.1 56.8 61.2 64.1 63.5 59.9 54.9 50

Wind speed

The graph below shows the average wind speed.

Harnes average winspeed by month (km/h) Harnes average winspeed by month (mph)
Average wind speed in Harnes (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 17 18 17 16 14 13 13 14 15 17 17
mph 11 11 11 11 10 9 8 8 9 9 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.

Harnes relative humidity averages
Average relative humidity in Harnes
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 85% 82% 77% 78% 79% 79% 79% 81% 84% 87% 88%

Other monthly averages

UV index Best time to go?

Harnes weather stats

Harnes weather statistics
Hottest month: July 21.8°C 71.2°F
Driest month: February 47mm 1.9ins
Sunniest month: August 7.3hrs
Coldest month: January 5.3°C 41.5°F
Wettest month: November 72mm 2.8ins
Warmest sea: August 17.8°C 64°F
Map showing location of Harnes (50.44643, 2.90481) Harnes map pin © Google

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