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Brussels Climate by Month

Brussels has a temperate climate with four seasons spanning the whole year. Temperatures are relatively mild during throughout year. On average Belgium gets more rainfall than the UK and slightly less than the Netherlands, the rainiest months are July (mid-summer) and December (early winter). The month with the least rain in Brussels is April (spring). Despite so much rain, humidity is moderate (around 70%).

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Brussels. Average daytime temperatures reach a comfortable 24°C in July. In January, the coolest month of the year, temperatures drop to a chilly 7°C. At night, expect cooler temperatures, averaging 2°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Brussels has a moderate amount of precipitation, averaging 814 mm of rain/snowfall annually. Despite minor fluctuations, Brussels enjoys fairly consistent precipitation throughout the year. In August, you can expect around 79 mm of precipitation, while in April, Brussels receives about 54 mm.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Brussels can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 6.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.5 hours of sunlight per day.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Brussels in Belgium

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Brussels?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Brussels?
    The coldest month is January with an average maximum temperature of 7°C.
  • Which is the wettest month in Brussels?
    August tops the wettest month list with 79 mm of rainfall.
  • Which is the driest month in Brussels?
    April is the driest month with 54 mm of precipitation.
  • Which is the sunniest month in Brussels?
    July is the sunniest month with an average of 205 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Brussels

    Sat   Dec 14
    5°C | 1°C
    SW 18 km/h
    0.9 mm
    overcast and slight rain

    overcast and slight rain

    Sun   Dec 15
    10°C | 3°C
    SW 22 km/h
    0.2 mm
    overcast and  chance of slight rain

    overcast and chance of slight rain

    Mon   Dec 16
    11°C | 9°C
    SW 22 km/h
    broken clouds and no rain

    broken clouds and no rain