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Brussels weather in May

Brussels in May averages 14°C (57°F), 61 mm of rain and 6.3 hours of sun a day.

Of the twelve months in Brussels, May is the fifth warmest, the third driest and the third sunniest.

Brussels
Average temp
14°C (57°F)

9–18°C · 49–65°F

Rainfall
61 mm

Showers likely

Sunshine
6.3 h

hours per day

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What is Brussels like in May?

Daytime

Days are mild.

Rain

Some rain is likely; pack for showers.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Brussels in May?

  • A light rain jacket

    About 61 mm falls this month — showers rather than washouts.

  • A warm mid-layer

    Nights drop to around 9°C (49°F).

May compared with April and June

May in Brussels is 3.4°C warmer than April and 14 mm wetter than it, which averages 10°C (51°F).

May in Brussels is 3°C cooler than June and 11 mm drier than it, which averages 17°C (62°F).

Daylight in Brussels in May

On 15 May the sun is up for 15 hours 33 minutes in Brussels, rising about 05:52 and setting about 21:26 local time.

May ends 1 hour 23 minutes longer than it begins, so the last week of the month is a different length of day from the first.

That is 57 minutes short of June, the longest-lit month here.

Where to stay in Brussels

Dates are a starting point for May.

All hotels in Brussels

Brussels weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 1 Oct 2026358 places covered

How May compares with the rest of the year

May is highlighted. Every other month links to its own page.

Brussels weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January4°C / 39°F77 mm
February4°C / 40°F67 mm
March7°C / 45°F59 mm
April10°C / 51°F47 mm
May14°C / 57°F61 mm
June17°C / 62°F72 mm
July19°C / 66°F80 mm
August18°C / 65°F90 mm
September15°C / 60°F67 mm
October11°C / 53°F71 mm
November7°C / 45°F75 mm
December4°C / 39°F89 mm

Similar weather in May

Other destinations whose May averages sit close to this one.

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FAQs about Brussels in May

May climate averages for Brussels, 1991–2020.

Brussels averages 14°C (57°F) in May, ranging from about 9°C (49°F) at night to 18°C (65°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 61 mm falls across May, enough to need a light jacket but not enough to reshape a trip.

No. May averages 14°C (57°F) against 17°C (62°F) in June — 3°C cooler.

May is 3.4°C warmer than April, and 14 mm wetter.

Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.

About 6.3 hours of sun a day on the 1991–2020 average.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 15 hours 33 minutes of daylight in mid-May, against 16 hours 30 minutes in June and 7 hours 58 minutes in December.

On 15 May, sunrise is about 05:52 and sunset about 21:26 local time. Both shift across the month — the month ends 1 hour 23 minutes longer than it starts.