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Weather in Brussels for May 2025

Your guide to Brussels weather in May - trends and predictions
  • In general, the average temperature in Brussels at the beginning of May is 16.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.4 °C by the end of May.

  • Brussels sees moderate rainfall in May, averaging 8 rainy days.

  • Is May a good time to visit Brussels? check out the best time to travel to Brussels page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/7°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Brussels in May average weather

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Temperatures trend during May in Brussels

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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Moderate or heavy rain shower
Moderate or heavy rain shower
18° /11° 5.4 mm 4
2 May Overcast
Overcast
14° /8° 3.7 mm 4
3 May Overcast
Overcast
15° /5° 0.4 mm 4
4 May Overcast
Overcast
18° /6° 2.7 mm 4
5 May Moderate rain at times
Moderate rain at times
17° /7° 1.5 mm 4
6 May Patchy rain possible
Patchy rain possible
18° /9° 4.5 mm 5
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /10° 6.4 mm 4
8 May Patchy rain possible
Patchy rain possible
18° /9° 0.1 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
16° /9° 9.1 mm 4
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /9° 5.8 mm 4
11 May Moderate rain at times
Moderate rain at times
19° /8° 1.6 mm 5
12 May Moderate or heavy rain shower
Moderate or heavy rain shower
20° /10° 7 mm 5
13 May Moderate rain at times
Moderate rain at times
20° /11° 0.8 mm 5
14 May Patchy rain possible
Patchy rain possible
20° /10° 2.2 mm 5
15 May Heavy rain at times
Heavy rain at times
15° /9° 3.8 mm 4
16 May Patchy rain possible
Patchy rain possible
14° /7° 8.4 mm 4
17 May Cloudy
Cloudy
17° /8° 1.6 mm 4
18 May Overcast
Overcast
16° /7° 4.7 mm 4
19 May Overcast
Overcast
18° /8° 3 mm 4
20 May Overcast
Overcast
18° /9° 2.5 mm 4
21 May Overcast
Overcast
19° /11° 6.2 mm 4
22 May Overcast
Overcast
20° /10° 0.7 mm 5
23 May Overcast
Overcast
17° /8° 0.4 mm 4
24 May Overcast
Overcast
17° /7° 3.7 mm 4
25 May Partly cloudy
Partly cloudy
18° /9° 0.2 mm 5
26 May Sunny
Sunny
19° /8° 2.1 mm 5
27 May Overcast
Overcast
18° /7° 0.5 mm 5
28 May Partly cloudy
Partly cloudy
20° /8° 2.6 mm 5
29 May Cloudy
Cloudy
18° /9° 2.6 mm 4
30 May Overcast
Overcast
17° /7° 2.1 mm 4
31 May Partly cloudy
Partly cloudy
19° /9° 1.1 mm 5
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Important Notice
Our weather forecast for Brussels 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 forecast closer to your planned date for the most up-to-date weather information.

Guide for Brussels in May

In May, Brussels, Belgium experiences a transition from spring to early summer, bringing about varied weather conditions. At the beginning of the month, the weather in Brussels is typically mild with temperatures ranging from 10° to 16°.

Showers are common, and the city experiences around 14 days of rainfall during this period. As the month progresses, the temperatures tend to rise, and by the end of May, the weather becomes warmer with average temperatures ranging from 13° to 19°.

The chances of rainfall decrease towards the end of the month, with around 11 days of rain expected.

It's important to note that Brussels' weather in May can be quite changeable, so visitors should be prepared for sudden shifts in conditions. Additionally, the city's proximity to the North Sea can influence its weather patterns, leading to occasional cool breezes.

Overall, May in Brussels offers a mix of springtime freshness and hints of summer warmth, making it an ideal time to explore the city's charming streets and vibrant outdoor cafes.

Brussels in May - FAQ

Is May a good time to visit Brussels?
Yes, May is a good time to traveling to Brussels, read more about the best time to visit Brussels.
What are the expected maximum and minimum temperatures in Brussels during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Brussels during May?
Significant rainfall exceeding 172.3 mm is expected in Brussels during May, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Brussels during May?
The average wind speed in Brussels during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Brussels in May?

As you prepare for your trip to Brussels in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Brussels, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Brussels

Explore the daily rainfall trends and prepare for Brusselss May weather 💧

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Location coordinates Where is Brussels?

Get accurate weather forecasts for Brussels, located at latitude 50.85 and longitude 4.349. Stay updated with localized weather information tailored for Brussels.

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