Weather in Brussels for May 2025
In general, the average temperature in Brussels at the beginning of May is 15.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18 °C by the end of May.
Brussels experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 85.3 mm.
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Brussels in May average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  14° | 3 15° | 4 16° | |||
| 5  15° | 6 16° | 7 16° | 8 17° | 9 20° | 10  19° | 11 19° |
| 12 18° | 13 19° | 14 19° | 15 16° | 16 17° | 17  18° | 18 18° |
| 19 19° | 20 18° | 21 18° | 22 18° | 23 17° | 24 16° | 25 17° |
| 26 19° | 27 18° | 28 18° | 29 17° | 30  18° | 31 19° |
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Temperatures trend during May in Brussels
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 16° /7° | 2.8 mm | 4 | |
| 2 May | Overcast | 14° /6° | 2.1 mm | 4 | |
| 3 May | Overcast | 15° /4° | 0.2 mm | 4 | |
| 4 May | Patchy rain possible | 16° /6° | 2 mm | 4 | |
| 5 May | Moderate rain at times | 15° /6° | 1.8 mm | 4 | |
| 6 May | Patchy rain possible | 16° /7° | 3 mm | 4 | |
| 7 May | Patchy rain possible | 16° /8° | 3.2 mm | 4 | |
| 8 May | Patchy rain possible | 17° /7° | 0.5 mm | 4 | |
| 9 May | Moderate rain at times | 20° /9° | 5.5 mm | 4 | |
| 10 May | Heavy rain at times | 19° /10° | 4.2 mm | 4 | |
| 11 May | Patchy rain possible | 19° /9° | 1.7 mm | 5 | |
| 12 May | Moderate rain at times | 18° /9° | 3.9 mm | 4 | |
| 13 May | Heavy rain at times | 19° /9° | 1.2 mm | 5 | |
| 14 May | Patchy rain possible | 19° /8° | 2.4 mm | 5 | |
| 15 May | Moderate rain at times | 16° /8° | 2.9 mm | 4 | |
| 16 May | Patchy rain possible | 17° /9° | 5.3 mm | 4 | |
| 17 May | Cloudy | 18° /9° | 2.5 mm | 4 | |
| 18 May | Moderate or heavy rain shower | 18° /9° | 4.6 mm | 4 | |
| 19 May | Moderate or heavy rain shower | 19° /9° | 4.5 mm | 4 | |
| 20 May | Patchy rain possible | 18° /8° | 7.1 mm | 4 | |
| 21 May | Overcast | 18° /10° | 3.3 mm | 4 | |
| 22 May | Moderate or heavy rain shower | 18° /9° | 2.7 mm | 5 | |
| 23 May | Patchy rain possible | 17° /8° | 2.6 mm | 4 | |
| 24 May | Heavy rain at times | 16° /8° | 4.7 mm | 4 | |
| 25 May | Patchy rain possible | 17° /8° | 1.8 mm | 4 | |
| 26 May | Heavy rain at times | 19° /8° | 1.9 mm | 4 | |
| 27 May | Patchy rain possible | 18° /8° | 0.8 mm | 4 | |
| 28 May | Overcast | 18° /7° | 1.4 mm | 5 | |
| 29 May | Cloudy | 17° /8° | 1.7 mm | 4 | |
| 30 May | Sunny | 18° /7° | 1.1 mm | 5 | |
| 31 May | Sunny | 19° /9° | 1.7 mm | 5 | |
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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.
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Brussels in May - FAQ
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
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