About Gembloux, Wallonia's Climate & Weather History

With a population of around 21,700, Gembloux sits in Wallonia, Belgium. The city operates in the Europe/Brussels time zone.

In 2025, Gembloux recorded an average annual temperature of 52°F. The hottest temperatures reached 94°F in July; the coolest were 19°F in January. Total precipitation for the year was 27 inches, with the wettest month being January. Snowfall for the year totaled approximately 4 inches.