Brussels weather in January
Brussels in January averages 4°C (39°F), 77 mm of rain and 2 hours of sun a day.
Of the twelve months in Brussels, January is the coldest, the fourth wettest and the second dullest.
- Average temp
- 4°C (39°F)
1–6°C · 34–43°F
- Rainfall
- 77 mm
Showers likely
- Sunshine
- 2 h
hours per day
What is Brussels like in January?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Brussels in January?
A light rain jacket
About 77 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 1°C (34°F).
January compared with December and February
January in Brussels is about the same temperature as December and 13 mm drier than it, which averages 4°C (39°F).
January in Brussels is 0.5°C cooler than February and 10 mm wetter than it, which averages 4°C (40°F).
Daylight in Brussels in January
On 15 January the sun is up for 8 hours 26 minutes in Brussels, rising about 08:39 and setting about 17:04 local time.
January ends 1 hour 8 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 8 hours 4 minutes short of June, the longest-lit month here.
Where to stay in Brussels
Dates are a starting point for January.
Travel guides for Brussels
What to read before you book.
Brussels weather by month
TemperatureRainfall
How January compares with the rest of the year
January is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 4°C / 39°F | 77 mm |
| February | 4°C / 40°F | 67 mm |
| March | 7°C / 45°F | 59 mm |
| April | 10°C / 51°F | 47 mm |
| May | 14°C / 57°F | 61 mm |
| June | 17°C / 62°F | 72 mm |
| July | 19°C / 66°F | 80 mm |
| August | 18°C / 65°F | 90 mm |
| September | 15°C / 60°F | 67 mm |
| October | 11°C / 53°F | 71 mm |
| November | 7°C / 45°F | 75 mm |
| December | 4°C / 39°F | 89 mm |
Similar weather in January
Other destinations whose January averages sit close to this one.
Check another month
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FAQs about Brussels in January
January climate averages for Brussels, 1991–2020.
Brussels averages 4°C (39°F) in January, ranging from about 1°C (34°F) at night to 6°C (43°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 77 mm falls across January, enough to need a light jacket but not enough to reshape a trip.
No. January averages 4°C (39°F) against 4°C (40°F) in February — 0.5°C cooler.
January is about as warm as December, and 13 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; January sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 2 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 8 hours 26 minutes of daylight in mid-January, against 16 hours 30 minutes in June and 7 hours 58 minutes in December.
On 15 January, sunrise is about 08:39 and sunset about 17:04 local time. Both shift across the month — the month ends 1 hour 8 minutes longer than it starts.
