When to go
The Best Time to Visit Brussels
Month-by-month climate data for Brussels, Belgium — daily highs and lows, rain days, and an honest verdict for every month of the year.
April–June, September–October. Mild weather and longer days without the summer day-tripper crowds.
Warmest in Brussels: Aug (24°C / 75°F) · Coolest: Jan (7°C / 45°F) · Wettest: Dec (~15 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Brussels climate, month by month
January
7° / 2°C
~12 rain days
Fair
February
9° / 3°C
~13 rain days
Fair
March
11° / 4°C
~13 rain days
Fair
April
14° / 5°C
~11 rain days
Good
May
18° / 9°C
~12 rain days
Excellent
June
22° / 13°C
~10 rain days
Excellent
July
22° / 14°C
~13 rain days
Excellent
August
24° / 15°C
~13 rain days
Excellent
September
21° / 12°C
~12 rain days
Excellent
October
16° / 10°C
~14 rain days
Good
November
10° / 5°C
~13 rain days
Fair
December
7° / 3°C
~15 rain days
Tough
Plan around it
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