Capital city in Brussels-Capital Region, Belgium
Brussels weather by month and the best time to visit
When to go to Brussels
May–Sep is warmest; Dec has Christmas markets. Winters are gray and rainy. Summit weeks can fill hotels and raise prices.
Brussels weather by month
Average daily high, rainfall and conditions.
- Jan5°69 mm
- Feb6°60 mm
- Mar10°55 mm
- Apr15°38 mm
- May19°59 mm
- Jun22°63 mm
- Jul24°75 mm
- Aug23°79 mm
- Sep20°55 mm
- Oct15°63 mm
- Nov10°69 mm
- Dec6°78 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 5°C42°F | 0°C32°F | 69 mm | 93% | Cold |
| February | 6°C44°F | 0°C32°F | 60 mm | 89% | Cold |
| March | 10°C51°F | 2°C35°F | 55 mm | 84% | Cold |
| April | 15°C59°F | 5°C40°F | 38 mm | 79% | Cool |
| May | 19°C65°F | 8°C47°F | 59 mm | 77% | Pleasant |
| June | 22°C71°F | 12°C53°F | 63 mm | 76% | Pleasant |
| July | 24°C74°F | 14°C56°F | 75 mm | 75% | Pleasant |
| August | 23°C74°F | 13°C56°F | 79 mm | 77% | Pleasant |
| September | 20°C68°F | 10°C50°F | 55 mm | 79% | Pleasant |
| October | 15°C60°F | 7°C45°F | 63 mm | 85% | Cool |
| November | 10°C50°F | 4°C39°F | 69 mm | 91% | Cold |
| December | 6°C42°F | 1°C34°F | 78 mm | 94% | Cold |
Best months across Belgium
Quick answers
What is the best month to visit Brussels?
May–Sep. May–Sep is warmest; Dec has Christmas markets. Winters are gray and rainy. Summit weeks can fill hotels and raise prices.
When is the rainy season in Brussels?
Rain peaks in August with about 79 mm. No month averages 150 mm or more.
What is the hottest month in Brussels?
July, with average highs of 24°C (74°F).
How cold does Brussels get?
The coolest nights are in February, averaging 0°C (32°F).
More about Brussels
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.