Brussels Weather & Climate: Best Time to Visit
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%).
Monthly Temperature in Brussels
Depending on the time of the year, temperatures range from comfortable to chilly in Brussels. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).
At night, temperatures range from around 14°C (57°F) in July to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Brussels
Generally, Brussels has a moderate amount of precipitation, averaging 814 mm (32 in) of rain/snowfall annually. Despite minor fluctuations, Brussels enjoys fairly consistent precipitation throughout the year. In August, you can expect around 79 mm (3.1 in) of precipitation, while in April, Brussels receives about 54 mm (2.1 in). For more details, please visit our Brussels Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Brussels
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.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Brussels by Month
The relative humidity is high throughout the year in Brussels.
The city experiences its highest humidity in December, reaching 86%. In April, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Brussels
The mean wind speed over the year ranges from 3 m/s (6 knots) in April, May, June, July, August, September, October and November to 4 m/s (8 knots) in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Brussels 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Brussels
During the months of May, June, July, August and September, Brussels enjoys pleasant weather with average temperatures ranging from 19°C (67°F) to 24°C (76°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 61 mm (2.4 in) in September to 79 mm (3.1 in) in August. This means you can expect a mix of sunny days and occasional showers. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.