Best time to visit Brussels
The best months to visit Brussels are July, August and June, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
July, August and June score best for Brussels weather:
- June21° / 11°CJune is mild and green, good for beer terraces, parks, and Ghent or Bruges day trips.
- July24° / 13°CJuly is warm but showery, so pair outdoor squares with Royal Museums or comic-strip stops.
- August23° / 13°CAugust stays warm and wet, with flower-carpet years and summer events shaping Grand Place crowds.
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By TripSapien Research · Updated May 20, 2026
Brussels weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 6° | 1° | 75 | 13 | 8h |
| February | 7° | 1° | 65 | 12 | 10h |
| March | 11° | 3° | 60 | 11 | 12h |
| April | 15° | 5° | 45 | 9 | 14h |
| May | 18° | 8° | 65 | 10 | 15h |
| JuneBest weather | 21° | 11° | 65 | 10 | 16h |
| JulyBest weather | 24° | 13° | 80 | 10 | 16h |
| AugustBest weather | 23° | 13° | 90 | 10 | 14h |
| September | 20° | 11° | 60 | 10 | 12h |
| October | 15° | 8° | 65 | 10 | 10h |
| November | 10° | 4° | 75 | 12 | 9h |
| December | 7° | 2° | 85 | 13 | 8h |
Temperatures in °C. Long-term monthly averages.
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Brussels month by month
January
Brussels in January: 6.3°C high, 1.2°C low, 75mm rain over 13 days, 8.2h daylight. Cold and wet — bundle up, museum and pool weather.
February
Brussels in February: 7.2°C high, 1.3°C low, 65mm rain over 12 days, 9.8h daylight. Mild and dry — shoulder-season sweet spot.
March
Brussels in March: 10.8°C high, 3.1°C low, 60mm rain over 11 days, 11.5h daylight. Mild and dry — shoulder-season sweet spot.
April
Brussels in April: 14.8°C high, 5.2°C low, 45mm rain over 9 days, 13.6h daylight. Mild and dry — shoulder-season sweet spot.
May
Brussels in May: 18.4°C high, 8.4°C low, 65mm rain over 10 days, 15.3h daylight. Mild and dry — shoulder-season sweet spot.
JuneBest weather
Brussels in June: 21.3°C high, 11.3°C low, 65mm rain over 10 days, 16.3h daylight. Mild and dry — shoulder-season sweet spot.
JulyBest weather
Brussels in July: 23.5°C high, 13.4°C low, 80mm rain over 10 days, 15.9h daylight. Mild and dry — shoulder-season sweet spot.
AugustBest weather
Brussels in August: 23.3°C high, 13.3°C low, 90mm rain over 10 days, 14.3h daylight. Mild and dry — shoulder-season sweet spot.
September
Brussels in September: 19.8°C high, 10.7°C low, 60mm rain over 10 days, 12.4h daylight. Mild and dry — shoulder-season sweet spot.
October
Brussels in October: 15°C high, 7.7°C low, 65mm rain over 10 days, 10.4h daylight. Mild and dry — shoulder-season sweet spot.
November
Brussels in November: 10°C high, 4.4°C low, 75mm rain over 12 days, 8.6h daylight. Mild and dry — shoulder-season sweet spot.
December
Brussels in December: 6.7°C high, 1.8°C low, 85mm rain over 13 days, 7.7h daylight. Cold and wet — bundle up, museum and pool weather.
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