Brussels weather in May
May is one of the best months to visit Brussels: highs of 19°C (65°F) and about 59 mm (2.3 in) of rain on average. Nights average 8°C (47°F) and cloud cover 69% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the 5th warmest. Compared with April, it is warmer and wetter; June brings highs of 22°C (71°F) and 63 mm (2.5 in) of rain.
Is May a good time to visit Brussels?
best month Weather score 72/100.
Yes. May is one of the best months for weather in Brussels.
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Does it rain a lot in Brussels in May?
No, it is usually dry: about 59 mm (2.3 in) falls in an average May. It is the 4th driest month of the year.
How warm is Brussels in May?
Days average 19°C (65°F) and nights 8°C (47°F).
Brussels weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 5°C (41°F) | 0°C (32°F) | 69 mm | 77% | least pleasant |
| February | 7°C (44°F) | 0°C (32°F) | 60 mm | 74% | least pleasant |
| March | 10°C (50°F) | 2°C (35°F) | 55 mm | 69% | fair |
| April | 15°C (59°F) | 5°C (40°F) | 38 mm | 64% | best |
| May | 19°C (65°F) | 8°C (47°F) | 59 mm | 69% | best |
| June | 22°C (71°F) | 12°C (53°F) | 63 mm | 69% | best |
| July | 24°C (74°F) | 14°C (56°F) | 75 mm | 67% | best |
| August | 23°C (74°F) | 13°C (56°F) | 79 mm | 66% | best |
| September | 20°C (68°F) | 10°C (50°F) | 55 mm | 63% | best |
| October | 15°C (59°F) | 7°C (45°F) | 63 mm | 70% | fair |
| November | 10°C (49°F) | 4°C (39°F) | 69 mm | 77% | least pleasant |
| December | 6°C (42°F) | 1°C (34°F) | 78 mm | 77% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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