Brussels monthly weather averages

Average daytime temperature

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

Brussels average temperature chart (Celsius) Brussels average temperature chart (Fahrenheit)
Average monthly temperatures in Brussels (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.7 6.3 9.4 13.4 17.7 20.7 22.4 22.3 19.4 14.3 9.1 5.9
°F 40.5 43.3 49 56.1 63.8 69.3 72.4 72.2 66.9 57.7 48.4 42.6

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.

Brussels monthly rainfall chart (mm) Brussels monthly rainfall chart (inches)
Average monthly rainfall in Brussels (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 66 52 70 55 69 77 75 63 60 72 79 75
inches 2.6 2.1 2.8 2.2 2.7 3 3 2.5 2.4 2.8 3.1 3
Rainy days 18 15 16 15 15 14 16 16 16 19 19 18

Average daily sunshine

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

Brussels average daily sunshine chart
Average daily sunshine Brussels
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 3.3 4.3 5.8 7.1 7.5 7.2 7.6 6.1 4.2 2.8 1.8

Day / night temperatures

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

Brussels average minimum / maximum temperatures (Celsius) Brussels average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Brussels (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.3 0.4 2 4.4 8.1 11.3 13 12.9 10.8 7.2 3.8 1
Max °C 4.9 6.4 9.6 13.6 17.9 21 22.7 22.6 19.6 14.5 9.3 6
Min °F 31.6 32.7 35.6 39.9 46.6 52.3 55.3 55.1 51.4 44.9 38.8 33.8
Max °F 36.1 38.1 42.4 48.2 55.4 61 64 63.9 59.4 51.4 43.7 38.3

Sea temperature

The graph below shows the average sea temperature.

Brussels average sea temperature chart (Celsius) Brussels average sea temperature chart (Fahrenheit)
Average sea temperature around Brussels in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.6 6.6 6.9 8.9 11.6 14.5 17.1 18.7 17.9 15.5 12.4 9.5
°F 45.7 43.9 44.5 47.9 52.9 58.2 62.9 65.6 64.2 59.9 54.3 49.1

Wind speed

The graph below shows the average wind speed.

Brussels average winspeed by month (km/h) Brussels average winspeed by month (mph)
Average wind speed in Brussels (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 16 16 15 14 13 13 12 13 14 16 17
mph 11 10 10 9 9 8 8 8 8 9 10 10

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.

Brussels relative humidity averages
Average relative humidity in Brussels
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
85% 81% 79% 71% 70% 71% 76% 76% 79% 82% 84% 86%
Brussels

Other monthly averages

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Brussels weather stats

Brussels weather statistics
Hottest month: July 22.4°C 72.3°F
Driest month: February 52mm 2ins
Sunniest month: August 7.6hrs
Coldest month: January 4.7°C 40.5°F
Wettest month: November 79mm 3.1ins
Warmest sea: August 18.7°C 65.7°F
Map showing location of Brussels (50.85045, 4.34878)

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