Weather in Brussels in January
January in Brussels is a coat month. Treat it as cities, food and short walks, not as a terrace holiday.
In Belgium, this is how Brussels actually wears January, not how a country centroid would. January is the cold side of the year in Brussels. Pack for that, not for a leftover summer photo.

- Average temp
- 4°C
1–6°C
- Rainfall
- 77 mm
Showers likely
- Sunshine
- 2 h
hours per day
What to expect
Daytime
You want a proper coat in Brussels in January, not a festival jacket. Wind makes the same afternoon feel sharper than the map suggests.
Outdoor time is the middle of the day. Finish plans before the light goes. Evenings are for indoors.
Rain
Mixed skies in Brussels in January. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Rain jacket
A layer for cooler evenings
Where to stay in Brussels
Dates are a starting point for January.

Travel guides for Brussels
What to read before you book.
Average weather in Brussels
TemperatureRainfall
Similar weather in January
Other destinations whose January averages sit close to this one.
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Brussels
Climate averages for Brussels, 1991–2020.
The best time to visit Brussels is between May and October, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 19°C.
August is the wettest month, with about 90 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.



