Belgium weather in May - temperature, rain and is it a good time to visit?

May is one of the best months for a holiday in Belgium.
Daytime
19°
Night
☀️ Day length
15 h 28 min
Chance of rain
55%
Thunder days
9%
Snow days
1%
Humid days
9%
WEATHER THROUGH THE YEARBelgium - May vs the year11°15°19°22°11°25°14°23°13°20°10°16°10°CHANCE OF RAIN (%)635945515552485246557062JanFebMarAprMayJunJulAugSepOctNovDecWARMESTJul (25°)COLDESTJan (6°)DRIESTMar (45%)WETTESTNov (70%)world-prices.com · 2026-07-08 · ★ best months
In May, Belgium averages about 19° during the day and 8° at night. Rain is fairly likely - around a 55% chance on a given day, so pack for showers.

Belgium weather all year - average temperatures and rain

MonthDayNightChance of rain
January 6℃0℃63%
February 7℃0℃59%
March 11℃2℃45%
April 15℃4℃51%
May 19℃8℃55%
June ★ 22℃11℃52%
July ★ 25℃14℃48%
August ★ 23℃13℃52%
September ★ 20℃10℃46%
October ★ 16℃8℃55%
November 10℃4℃70%
December 8℃3℃62%
★ - months most often recommended for travel

Where is it warmest in Belgium in May? Weather by city

PlaceDayNightChance of rain
Liège 20℃8℃52%
Spa 20℃8℃52%
Verviers 20℃8℃52%
Mouscron 18℃9℃50%
Heist-op-den-Berg 18℃8℃62%
Brussels 16℃7℃59%
Travelling soon? Check the live 14-day weather forecast for Belgium.

Belgium weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember