Climate guide for Brussels, Belgium

Brussels in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · Belgium

Best time to visit Brussels in January Weather, crowds & prices

Weather in Brussels in January

Average temperature 4°C, 77 mm of rain, about 0 days with 6+ hours of sunshine and 93% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

3.9/10

Ranked #11 of 12 months

Full year for Brussels
Avg temp
4°C
Rainfall
77 mm
Humidity
93%
Days with 6h+ sun
0
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

January in Brussels scores 3.9/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 4°C, 77 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.

Grand Place grandeur, chocolate shops, and Art Nouveau streets peak May through September.

January in Brussels — off-season conditions

January averages 4°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 77 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 8.2 hours of daylight.

It scores 3.9/10 here, 11th of 12 months, against 8.9/10 in the destination's best month.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? July scores 5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Brussels in January?
In January, Brussels averages 4°C, 77 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 3.9/10.
Is January a good time to visit Brussels?
January earns a 3.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Brussels in January?
Expect about 77 mm of rain in January. Average humidity is 93% and there are about 0 days with 6+ hours of sunshine.

Curated in Brussels

Tickets & experiences

Things to do in Brussels

Brussels, Belgium. Live activities and tours from GetYourGuide, matched to this destination.