Brussels in December

In December, Brussels averages 7°C (45°F) during the day and 2°C (36°F) at night, with frequent rain — about 14 days of the month see precipitation (80 mm total).

Conditions are cold — pack winter layers. Plan for unsettled weather and bring rain gear.

December is one of the wetter and less comfortable months in Brussels. If your dates are flexible, consider a different time of year.

7°C
Avg high
2°C
Avg low
14
Rain days
80 mm
Rainfall

Brussels in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 6°C / 43°F 1°C / 34°F 75 mm 15 0
February 7°C / 45°F 1°C / 34°F 65 mm 12 0
March 11°C / 52°F 3°C / 37°F 65 mm 13 0
April 14°C / 57°F 5°C / 41°F 55 mm 12 0
May 18°C / 64°F 9°C / 48°F 70 mm 12 0
June 21°C / 70°F 12°C / 54°F 75 mm 12 0
July 23°C / 73°F 14°C / 57°F 75 mm 12 0
August 23°C / 73°F 14°C / 57°F 80 mm 12 0
September 19°C / 66°F 11°C / 52°F 70 mm 12 0
October 15°C / 59°F 8°C / 46°F 75 mm 13 0
November 9°C / 48°F 4°C / 39°F 80 mm 13 0
December 7°C / 45°F 2°C / 36°F 80 mm 14 0

Other cities with similar December weather

🗺 Open Brussels on the interactive map

Check the live 10-day forecast and sunrise/sunset.