May 11 is generally a great time to visit Brussels. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 19°C weather. You'll enjoy Brussels with reasonable crowd levels and competitive accommodation options.
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Essential Travel Info for Brussels
Currency
EUR
€ Euro
Language
German
+2 more
Driving
Right side
Safety
High Safety
GPI: 1.526
Brussels Weather Forecast for May 11
"Mild & Comfortable. Expect average highs of 18.6°C. 28% chance of rain."
What to Wear in Brussels in May
Based on historical data for May 11, Brussels typically experiences temperatures between 9.4°C and 18.6°C. We recommend packing light jacket, long pants to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Brussels
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.6°C
Daytime Peak
Average Low
9.4°C
Nighttime Low
Feels Like
18.6°C
🌤️ Feels accurate
Rain Chance
28%
Avg 1.6mm if it rains
Cloud Cover
63%
Light drizzle
Pressure
1015.5 hPa
Medium volatility
Brussels Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 80% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 20:00
Type I-II
🔴 20 min to burn
Type III-IV
🟡 30 min to burn
Type V-VI
🟢 50 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.2°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Belgium
Flight Traffic
Moderate
48/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~292
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Brussels
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:01
☀️ Noon
12:40
🌇 Sunset
20:19
⏱️ Daylight
15h 18m
Wind Speed
17.7 km/h
Gentle breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Brussels
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
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Travel Health & Safety in Brussels
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Brussels on May 11 averages 18.6°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Brussels Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 11) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Brussels Worth Visiting on May 11?
Planning a trip to Brussels on May 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.6°C with a 28% historical precipitation risk.
✈️ Travel Logistics: Approximately 292 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Belgium, including COVID-19.
📊 Historical Extremes: The hottest May 11 recorded in the last 30 years saw temperatures hit 25.7°C in 2025, while the coldest dropped to 5.2°C in 2018.