Brussels weather in May 2023

  • 18°C maximum daytime temperature in May in Brussels18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Brussels15
    15 days with some rainfall
  • 8°C minimum night-time temperature in May in Brussels8
    8°C min night temperature
  • 16 hours of daylight per day in May in Brussels16
    16 hours of daylight per day
  • No heat & humidity in May in Brussels0
    No heat & humidity
  • 69 mm monthly rainfall in May in Brussels69
    69 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Brussels6
    6 (High) UV index
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The May weather guide for Belgium (Brussels) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Brussels in May?

Daytime temperatures usually reach 18°C in Brussels in May, falling to 8°C at night.

How sunny is it in Brussels in May?

There are normally 7 hours of bright sunshine each day in Brussels in May - that's 42% of daylight hours.

Does it rain in Brussels in May?

There are usually 15 days with some rain in Brussels in May and the average monthly rainfall is 69mm.

Brussels May sunrise & sunset times

Browse the sunrise and sunset times for Brussels in May 2023. Select a month to view Brussels sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Monday, 1st May 2023 06:17 21:03
Tuesday, 16th May 2023 05:53 21:26
Wednesday, 31st May 2023 05:36 21:46

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