When is the best time to visit Brussels?
- In general, it’s pleasant to walk and do outdoor activities during May - September.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Brussels in different months
May, June, July, August usually has good weather. Average maximum temperature reaches +23°C during July.
In January, February, March, April, September, October, November the weather is average. Expect around 104 rainy days, and the precipitation amounts to approximately 65 mm in September.
December bring not the best weather. December is the coldest month with the temperature going down to +3°C.
Climate in Brussels
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +18°C | +19°C | +24°C | +28°C | +32°C | +34°C | +40°C | +36°C | +35°C | +26°C | +20°C | +17°C |
| Average Maximum Temperature | |||||||||||
| +6°C | +7°C | +10°C | +14°C | +18°C | +21°C | +23°C | +23°C | +20°C | +15°C | +10°C | +7°C |
| Minimum Temperature | |||||||||||
| -20°C | -13°C | -10°C | -3°C | -1°C | +3°C | +5°C | +6°C | +3°C | -4°C | -7°C | -13°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 84 | 80 | 76 | 71 | 72 | 73 | 73 | 73 | 78 | 82 | 85 | 86 |
| Rain, mm | |||||||||||
| 58 | 49 | 61 | 50 | 63 | 71 | 69 | 67 | 65 | 65 | 60 | 65 |
| Snow, mm | |||||||||||
| 8 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| Sunny Days | |||||||||||
| 2 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 2 | 2 |
| Cloud Days | |||||||||||
| 11 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 10 | 10 | 11 |
| Rainy Days | |||||||||||
| 14 | 11 | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 16 | 16 | 14 |
| Snowy Days | |||||||||||
| 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
Average Temperature
Humidity
Rain
Snow
FAQ
What is the hottest month in Brussels?
What is the coldest month in Brussels?
Is Brussels worth visiting in winter?
When does it rain the least in Brussels?
Other cities in Belgium
Monthly weather in Brussels
Source of the data
For this page, we’ve looked at the typical weather in Brussels, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.