About Uccle, Brussels Capital's Climate & Weather History

Uccle, in Brussels Capital, Belgium, is home to roughly 82,900 people in the Europe/Brussels time zone at 50.8°N latitude.

In 2025, Uccle recorded an average annual temperature of 53°F. The hottest temperatures reached 96°F in July; the coolest were 20°F in January. Total precipitation for the year was 26 inches, with the wettest month being January. Snowfall for the year totaled approximately 4 inches.