If you are thinking of traveling to Brussels in December, think and plan carefully. The average daytime high temperature is usually around +45°F, and there are only about 2 sunny days in total throughout the whole month. Pack for extremes to ensure that you are as comfortable as possible. Search flightsin one click on Avionero.
Good to know:
December is usually the wettest month of the year in Brussels;
Average weather
☀️
+45°F
Avg. max. temperature
+9°F
Min.
+63°F
Max.
65 mm
Total precipitation
86%
Avg. humidity
4 m/s
Avg. wind
2 ☀️
Sunny Days
11 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Brussels has uncomfortable weather in December.
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Average temperature in Brussels in December
Here are the expected maximum, average and minimum temperatures in Brussels for December based on the historical data.
Last Year
Historical Data
Going from a maximum of +55°F during the day to a minimum of +25°F during the night, the temperature in December averages around +48°F.
The average maximum temperature goes up 53% by the end of the month, compared with the beginning of the month, from +34°F to +50°F.
Is Brussels warm or cold in December?
Brussels is typically chill in December.
Maximum temperatures go down compared to the previous month from +50°F to +45°F. The minimum temperature also goes down from +41°F to +37°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Brussels, here is the comparison with other months:
Travel to Brussels
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✈️
51
Flights per week
$758
Min. Price
$758
Max. Price
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Climate in Brussels in December
Brussels weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+50°F
+45°F
+43°F
Min. temperature
+19°F
+9°F
-4°F
Max. temperature
+68°F
+63°F
+64°F
Rainfall
60 mm
65 mm
58 mm
Wind
3 m/s
4 m/s
4 m/s
Humidity
85%
86%
84%
Air pressure
1014 HPa
1015 HPa
1016 HPa
Sunny days
2
2
2
Cloudy days
10
11
11
Rainy days
16
14
14
Snowy days
1
3
4
December typically has worse weather conditions compared to November.It’s getting colder in December. From +50°F in the day, the average maximum temperature lowers to +45°F.Prepare for more rain. Average rainfall goes from 60 mm to 65 mm.Humidity rises from 85% to 86%.Winds are stronger in comparison to November, going up from 3 m/s to 4 m/s on average.The amount of sunny days stay about the same, averaging 2 sunny days during the month.
But maybe it is worth considering traveling in January as the weather gets better.
Wind speed in Brussels in December based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 9 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 increasing during December, going from 2 m/s to 8 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Brussels based on historical data.
Last Year
Historical Data
Typically, there is a 55% chance of rain on an average day in December, with total rainfall of approximately 66 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain.December is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how December 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 December in Brussels based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in December, with a total monthly snowfall of approximately 1 mm.
December is one of the snowiest months in Brussels.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Brussels?
This is the weather in Brussels in December 2023:
1 December
☁️
+34°F
2 December
☁️
+34°F
3 December
☀️
+36°F
4 December
🌧️
+41°F
5 December
🌫️
+41°F
6 December
☁️
+43°F
7 December
☀️
+41°F
8 December
☁️
+47°F
9 December
☀️
+52°F
10 December
☀️
+52°F
11 December
☁️
+52°F
12 December
☁️
+54°F
13 December
🌧️
+48°F
14 December
☁️
+47°F
15 December
☁️
+48°F
16 December
☁️
+49°F
17 December
☀️
+48°F
18 December
☁️
+41°F
19 December
🌧️
+47°F
20 December
☁️
+48°F
21 December
🌧️
+54°F
22 December
🌧️
+52°F
23 December
☁️
+52°F
24 December
🌧️
+55°F
25 December
🌧️
+54°F
26 December
☀️
+51°F
27 December
☀️
+51°F
28 December
☁️
+52°F
29 December
🌧️
+51°F
30 December
☁️
+50°F
31 December
🌧️
+51°F
In December 2023 Brussels had 7 sunny days, 14 cloudy days, and 9 rainy days. The average maximum temperature was +48°F, with an absolute maximum of +55°F and a minimum of +34°F. The average humidity was 87%, with a maximum of 99% and a minimum of 58%. The average wind speed was 5 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Brussels climate has changed over the last 43 years.
The climate in Brussels in December 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 December:
Is December a good time to visit Brussels?
There is never a bad time to go to Brussels, but the weather isn’t the best in December, so plan on enjoying the great indoor attractions of Brussels and pack for the extremes in weather.
Can you sunbathe in Brussels in December?
Not really, December is not the best time to sunbathe, unless you visit a local solarium.
Is Brussels rainy in December?
Brussels is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Brussels in December?
Usually, it’s not very sunny in Brussels in December, 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 December?
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.
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.
