Climate · Brussels

Brussels in May

Mild and wet, as the days lengthen.

Typical weather, averaged over 30 years

May in Brussels is mild: highs near 67°F, lows near 48°F. Rain falls on about three days a week, and the days lengthen by 1 hour 19 minutes from the first week to the last.May in Brussels is mild: highs near 19°C, lows near 9°C. Rain falls on about three days a week, and the days lengthen by 1 hour 19 minutes from the first week to the last.

High
67°F19°Caverage
Low
48°F9°Caverage
Wet days
3a week · 45% of days
Daylight
15h 31mon average

Is May a good time to visit Brussels?


A good month, just outside Brussels's best months, which run from June to September.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 67°F in May, against 46°F to 76°F through the year.Highs near 19°C in May, against 8°C to 24°C through the year.

Chance of a wet day

45% of days in May, against 38% to 46% through the year.

Cloud cover

57% cover in May, against 48% to 72% through the year.

Daylight

15h 31m in May, against 8h 01m to 16h 26m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. April60°16°low 41°low 5°3 wet days a weekRain on about three days a week.
  2. May67°19°low 48°low 9°3 wet days a weekRain on about three days a week.
  3. June73°23°low 54°low 12°3 wet days a weekRain on about three days a week.

Where Brussels sits, in May

Europe/Brussels

this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
5:54 AMsets 9:23 PM
Above the sea
30 mlow-lying
Latitude
50.8°Nnorthern hemisphere
Nearest of ours
Bruges88 km north-west

The land around Brussels, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Belgium in May

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Brussels. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.