Belgium weather in May 2025

Expect 64°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Belgium in May. Check more long-term weather averages for Belgium in May before you book your next holiday to Belgium in 2025/2026.

  • 64°F maximum daytime temperature in May in Belgium (Brussels)64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Belgium (Brussels)15
    15 days with some rainfall
  • 46°F minimum night-time temperature in May in Belgium (Brussels)46
    46°F min night temperature
  • 16 hours of daylight per day in May in Belgium (Brussels)16
    16 hours of daylight per day
  • No heat & humidity in May in Belgium (Brussels)0
    No heat & humidity
  • 2.7 inches monthly rainfall in May in Belgium (Brussels)2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Belgium (Brussels)6
    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.

Top Belgium destinations

Below are average maximum temperatures at popular countries, regions and places in Belgium in May. Select a holiday destination to see more weather parameters.

All Belgium destinations

Metric (°C)  |  Imperial (°F)

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More about Belgium

How hot is it in Belgium in May?

Daytime temperatures usually reach 64°F in Brussels, Belgium in May, falling to 46°F at night.

How sunny is it in Belgium in May?

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

Does it rain in Belgium in May?

There are usually 15 days with some rain in Brussels, Belgium in May and the average monthly rainfall is 2.7 inches.

Belgium May sunrise & sunset times

Browse the sunrise and sunset times for Belgium in May 2025. Select a month to view Belgium sunrise and sunset times for the next 12 months. The Belgium sunrise and sunset times shown below are for Brussels.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:16 20:04
Friday, 16th May 2025 04:52 20:27
Saturday, 31st May 2025 04:35 20:46

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