2026 Climate Averages

Brussels: Weather Guide & Climate

Complete month-by-month weather guide: Brussels. Best time to visit: May, June, July, August, September. Plan your trip with detailed climate data.

☀️ Climate Overview

Brussels has a Cool climate with average yearly highs of 16°C, lows of 8°C, and approximately 12 rainy days per month.

The best time to visit Brussels is during May, June, July, August, September, when weather is pleasant and ideal for outdoor activities

Drier season: Jan–Sep Wetter season: Feb–Dec

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Feels like --
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Local time

Air Quality

Hottest

24°C August
Avg Low 15°C
Rain 12 days

Coldest

2°C January
Avg High 7°C
Rain 12 days

Driest Month

10 rainy days April
Avg High 15°C
Avg Low 6°C

Windiest Month

25 km/h

February (gusts 48)

Forecast for your trip dates

Up to 14 days ahead

Weather by Season

Spring

Mar–May

High 15°C
Low 6°C
Rain 11 days
Crowds
Moderate
Travel Costs Peak Rates

Summer

Jun–Aug

High 23°C
Low 14°C
Rain 12 days
Crowds
Very Busy
Travel Costs Shoulder Rates

Autumn

Sep–Nov

High 16°C
Low 9°C
Rain 13 days
Crowds
Moderate
Travel Costs Peak Rates

Winter

Dec–Feb

High 8°C
Low 3°C
Rain 13 days
Crowds
Very Quiet
Travel Costs Value Rates

Month-by-Month Weather Table

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5
3
3
Your Best MonthNovScore: 6.7

Where to Stay

See hotels, apartments & rentals around Brussels – live prices from Booking.com, Expedia, Vrbo and more

Brussels

Grand Place, Manneken Pis, Art Nouveau architecture, Belgian waffles, and European capital flair.

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Ready to Plan Your Brussels Trip?

Get strategic travel tips, seasonal insights, and expert recommendations.

Frequently Asked Questions

What type of climate does Brussels have?
Brussels has a cool climate with average yearly temperatures of 16°C and 8°C.
When is the best time to visit Brussels?
The best time to visit Brussels is during May, June, July, August, September, when temperatures average around 19°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Brussels?
The hottest month in Brussels is August with average highs of 24°C, while the coldest is January with average lows of 2°C.
When is the rainy season in Brussels?
Brussels sees the most rain in October (14 rainy days), while April is the driest month (10 rainy days).
Does it get cold at night in Brussels?
Night temperatures vary throughout the year. The coldest nights are in January (2°C), while August has the warmest evenings (15°C). Pack layers for cooler months.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Last Updated: February 2026