Brussels Capital (Brussels)
May
Weather in Brussels Capital for May 2026
Your guide to Brussels Capital weather in May - trends and predictions
In general, the average temperature in Brussels Capital at the beginning of May is 15.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.4 °C by the end of May.
Brussels Capital experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 85.3 mm.
Temperatures
Rain 🌧️
3
Dry days
28
Rainy days
0
Snow days
17°/8°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
Brussels Capital Weather May
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What’s the Weather Like in Brussels Capital This May?
Discover the average temperatures and weather trends across Brussels Capital’s cities this May.
Temperatures trend during May in Brussels Capital
See the weather trend as well as the moving average line
May weather in Brussels Capital day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 18° /8° | 2.2 mm | 4 | |
| 2 May |  Overcast | 16° /7° | 1.7 mm | 4 | |
| 3 May | Overcast | 15° /5° | 1 mm | 4 | |
| 4 May | Patchy rain possible | 15° /6° | 1.7 mm | 4 | |
| 5 May |  Moderate rain at times | 15° /6° | 1.5 mm | 3 | |
| 6 May | Patchy rain possible | 16° /6° | 2.4 mm | 4 | |
| 7 May | Patchy rain possible | 16° /7° | 2.6 mm | 4 | |
| 8 May | Patchy rain possible | 17° /7° | 0.4 mm | 4 | |
| 9 May | Moderate rain at times | 19° /8° | 4.4 mm | 4 | |
| 10 May |  Heavy rain at times | 19° /10° | 3.4 mm | 4 | |
| 11 May | Patchy rain possible | 20° /8° | 1.4 mm | 5 | |
| 12 May | Moderate rain at times | 19° /9° | 3.3 mm | 4 | |
| 13 May |  Sunny | 19° /9° | 1 mm | 5 | |
| 14 May | Patchy rain possible | 20° /8° | 1.9 mm | 5 | |
| 15 May | Moderate rain at times | 17° /8° | 2.3 mm | 4 | |
| 16 May | Patchy rain possible | 17° /8° | 4.2 mm | 4 | |
| 17 May |  Cloudy | 19° /8° | 2 mm | 4 | |
| 18 May | Moderate or heavy rain shower | 18° /9° | 3.7 mm | 4 | |
| 19 May | Moderate or heavy rain shower | 19° /8° | 3.6 mm | 5 | |
| 20 May | Patchy rain possible | 19° /8° | 5.7 mm | 4 | |
| 21 May | Overcast | 18° /9° | 3 mm | 4 | |
| 22 May | Moderate or heavy rain shower | 17° /8° | 2.2 mm | 4 | |
| 23 May | Patchy rain possible | 16° /7° | 2.4 mm | 4 | |
| 24 May | Heavy rain at times | 16° /7° | 4.6 mm | 4 | |
| 25 May | Patchy rain possible | 17° /8° | 2.1 mm | 4 | |
| 26 May | Patchy rain possible | 18° /8° | 1.6 mm | 4 | |
| 27 May | Patchy rain possible | 18° /9° | 2.4 mm | 4 | |
| 28 May | Light rain shower | 19° /8° | 2.5 mm | 4 | |
| 29 May | Cloudy | 18° /8° | 1.4 mm | 4 | |
| 30 May | Patchy rain possible | 19° /8° | 0.9 mm | 5 | |
| 31 May | Light rain shower | 20° /11° | 2 mm | 5 | |
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Important Notice
Our weather forecast for Brussels Capital in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Brussels Capital forecast closer to your planned date for the most up-to-date weather information.
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Brussels Capital in May - FAQ
What are the expected maximum and minimum temperatures in Brussels Capital during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Brussels Capital during May?
Moderate rainfall is anticipated in Brussels Capital during May, with a total of 85.3 mm spread over approximately 28 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Brussels Capital during May?
The average wind speed in Brussels Capital during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Brussels Capital
Explore the daily rainfall trends and prepare for Brussels Capitals May weather 💧
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