Brussels Weather in December
Belgium · 30-year monthly averages
🤔 Fair time to visit
December in Brussels is cold, with average daytime highs around 7°C (44°F) and nighttime lows near 2°C (36°F). Expect roughly 87mm of precipitation spread over about 14 rainy days, with a moderate amount of rain.
Avg high
7°C
44°F
Avg low
2°C
36°F
Rainfall
87mm
moderate
Rainy days
14
days with ≥1mm
☀️ About 49 hours of sunshine over the month (~2h/day).
🎒 What to pack
- warm coat
- sweaters and layers
- scarf
December vs the rest of the year
FAQ
- How hot is Brussels in December?
- December in Brussels is cold, with average daytime highs around 7°C (44°F) and nighttime lows near 2°C (36°F). Expect roughly 87mm of precipitation spread over about 14 rainy days, with a moderate amount of rain.
- Does it rain a lot in Brussels in December?
- Brussels sees around 87mm of precipitation in December on average — moderate by global standards.
- Is December a good time to visit Brussels?
- December is a workable month to visit Brussels, but expect some weather trade-offs.