Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Brussels, Belgium in May
Weather score40Mixed
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 69mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
18°C
Rain
69mm
Sun
6.5h
Weather score
40
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 69mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Map
Weather map
Compare Brussels, Belgium with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May18°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May69mm average rain
May is close to Brussels' usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
May6.5 hours average sun
May is one of Brussels' sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
May40 weather score
May sits close to Brussels' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
