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The climate in Belgium

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of 9 weather stations.
All data correspond to the average monthly values of the last 20 years.
Back to overview: Belgium
Climate zone: Moderate zone of the northern hemisphere
The climate in Belgium is quite varied, but generally does not offer extreme climatic conditions. It is cold, wet and some nice summer months are also present. The warmest and rainiest part of the country is Wallonia. The coldest is Flanders. Due to the warmer temperatures the best time for traveling is from June to September. Less attractive are the cold months from November to March.
Duration of daylight and sunshine in Belgium
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Belgium
Rainy days per monthRainy days per month in Belgium
Precipitation in mm/dayPrecipitation in Belgium
Relative humidity in %Relative humidity in Belgium
Absolute humidity in g/m³Absolute humidity in Belgium

Regions in Belgium

All figures per year. For detailed climate data click on the name of the region.
RegionTemperature
max Ø day
Temperature
min Ø night
Sunshine
hours
Rainy
days
PrecipitationHumidity
Brussels Capital14.9 °C7.3 °C1,606 h132 843 l82.0 %
Flanders14.7 °C7.8 °C1,789 h126 774 l82.0 %
Wallonia15.1 °C6.9 °C1,752 h122 748 l82.0 %

Temperature records of the last 73 years

The hottest temperature measured from 1949 to September 2022 was reported by the Bruessel weather station. In July 2019 the record temperature of 39.7 °C was reported here. The hottest summer from July to September was recorded in 2006 with an average temperature of 19.2 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 16.9 degrees Celsius. The average maximum daily temperature at that time was 24.1 °C.
The coldest day in these 73 years was reported by the weather station Bruessel. Here the temperature dropped to -13.0 °C in February 2012. Bruessel lies at an altitude of 101 meters above sea level. The coldest winter (January to March) was in 1963 with an average temperature of -0.1 °C. In Belgium, it is usual to have about 4.5 degrees more at 4.4 °C for this three-month period.
The most precipitation fell in August 1996. With 7.5 mm per day, the Bruessel weather station recorded the highest monthly average of the last 73 years.

Data basis and methodology

The data of the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level. Thus, if a disproportionate number of weather stations are located in a small area, their number does not affect the national average.
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