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.
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