Climate averages 1991–2020

Weather in Belgium.

ClimaNote covers 18 cities in Belgium, starting with Brussels, Antwerp and Gent. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 13.7°C in Brugge to 14.5°C in Mechelen, and yearly rainfall from 721 mm in Mechelen to 816 mm in Liège. The hottest city-month is July in Hasselt, with an average high of 22.8°C (tied with July in Mechelen), and the coolest is January in Charleroi, at 5.6°C (tied with January in Liège and January in La Louvière). By single month, the most rain falls in December in Liège, with 82 mm, and the least in April in Brugge, with 44 mm.

July is the warmest month in 16 cities and August in 1 (in 1 other city two or more months tie); January is the coolest in every city. December is the wettest month in 11 cities and August in 5 (in 2 other cities two or more months tie); April is the driest in every city. None of these cities has a month with an average high below 2.0°C, a month with under 1 mm of rain or a month with more than 300 mm of rain.