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

August is one of the best months for a holiday in Belgium.
Daytime
23°
Night
13°
☀️ Day length
14 h 33 min
Chance of rain
52%
Thunder days
9%
Humid days
49%
WEATHER THROUGH THE YEARBelgium - August 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 August, Belgium averages about 23° during the day and 13° at night. Rain is fairly likely - around a 52% 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 August? Weather by city

PlaceDayNightChance of rain
Liège 24℃12℃53%
Spa 24℃12℃53%
Verviers 24℃12℃53%
Mouscron 23℃14℃48%
Heist-op-den-Berg 23℃13℃56%
Brussels 22℃12℃51%
Travelling soon? Check the live 14-day weather forecast for Belgium.

Belgium weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember