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Brussels in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Brussels in January will be like? Take a look at our weather guide for Brussels, based on historical data.
Check flight prices to Brussels on Avionero:
January

Weather in Brussels in January 2025

OK Weather
Chill
🌧️
Rainy
✈️
$758 - $758
If you plan to visit Brussels in January, the weather is typically alright, with an average high temperature of +43°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 58 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Brussels;

Average weather

☀️
+43°F
Avg. max. temperature
-4°F
Min.
+64°F
Max.
58 mm
Total precipitation
84%
Avg. humidity
4 m/s
Avg. wind
2 ☀️
Sunny Days
11 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Brussels has OK weather in January.

Average temperature in Brussels in January

Here are the expected maximum, average and minimum temperatures in Brussels for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +61°F during the day to a minimum of +27°F during the night, the temperature in January averages around +45°F.

The average maximum temperature goes down 42% by the end of the month, compared with the beginning of the month, from +61°F to +46°F.

Is Brussels warm or cold in January?

Brussels is typically chill in January.

Maximum temperatures go down compared to the previous month from +45°F to +43°F. The minimum temperature also goes down from +37°F to +34°F.

Pack a jumper and a jacket as there will be cooler temperatures.

January is the coldest month in Brussels, here is the comparison with other months:

Travel to Brussels

Click to see more details
✈️
52
Flights per week
$758
Min. Price
$758
Max. Price

Climate in Brussels in January

Brussels weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+45°F+43°F+45°F
Min. temperature
+9°F-4°F+9°F
Max. temperature
+63°F+64°F+66°F
Rainfall
65 mm58 mm49 mm
Wind
4 m/s4 m/s4 m/s
Humidity
86%84%80%
Air pressure
1015 HPa1016 HPa1017 HPa
Sunny days
224
Cloudy days
111110
Rainy days
141411
Snowy days
343

January often has better weather than December. It’s getting colder in January. From +45°F in the day, the average maximum temperature lowers to +43°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 65 mm to 58 mm. It feels drier, as humidity decreases from 86% to 84%. The average wind speed doesn’t change much during January, staying around 4 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

Wind speed in Brussels in January based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Brussels is gradually decreasing during January, going from 7 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Brussels based on historical data.
Last Year
Historical Data
Typically, there is a 52% chance of rain on an average day in January, with total rainfall of approximately 72 mm. The maximum amount of rainfall per day is around 16 mm, which is considered light rain. January is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Brussels wettest month is June, where a typical day has a 50% chance of precipitation and 71 mm of rainfall per day. February, on the other hand, is the driest month with a mere 38% chance of precipitation and 49 mm of rainfall per day.

Snow

Amount of snow in mm during January in Brussels based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in January, with a total monthly snowfall of approximately 2 mm.

January is one of the snowiest months in Brussels.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Brussels?

This is the weather in Brussels in January 2023:
1 January
🌧️
+60°F
2 January
🌧️
+56°F
3 January
☁️
+49°F
4 January
🌧️
+55°F
5 January
☁️
+53°F
6 January
☁️
+53°F
7 January
☁️
+53°F
8 January
☁️
+51°F
9 January
☁️
+47°F
10 January
☁️
+52°F
11 January
🌧️
+53°F
12 January
🌧️
+52°F
13 January
☁️
+49°F
14 January
🌧️
+53°F
15 January
☁️
+46°F
16 January
🌧️
+42°F
17 January
☁️
+38°F
18 January
☁️
+39°F
19 January
☁️
+37°F
20 January
☁️
+40°F
21 January
🌫️
+33°F
22 January
☁️
+33°F
23 January
☁️
+38°F
24 January
☁️
+36°F
25 January
☁️
+33°F
26 January
☁️
+43°F
27 January
☁️
+41°F
28 January
☁️
+38°F
29 January
☁️
+40°F
30 January
☁️
+47°F
31 January
☁️
+46°F
In January 2023 Brussels had 0 sunny days, 23 cloudy days, and 7 rainy days. The average maximum temperature was +45°F, with an absolute maximum of +61°F and a minimum of +32°F. The average humidity was 86%, with a maximum of 97% and a minimum of 54%. The average wind speed was 5 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Brussels climate has changed over the last 43 years.

The climate in Brussels in January has not changed that much over the last 43 years.

The average temperature was the lowest in 1985 (+55°F) and the highest in 2022 (+62°F). The driest year was 1996 with only 558 mm of rainfall, and the wettest year was 2022 with 1284 mm.

FAQ

Frequently asked questions about the weather in Brussels in January:

Is January a good time to visit Brussels?

It’s always a good time to visit Brussels, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Brussels in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Brussels rainy in January?

Brussels is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Brussels in January?

Usually, it’s not very sunny in Brussels in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

How much does it cost to fly to Brussels in January?

The normal prices to fly to Brussels is $758 - $758. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.

Other cities in Belgium

Check out the weather for other cities in Belgium.

Monthly weather in Brussels

Source of the data

For this page, we’ve looked at the typical weather in Brussels, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.