Weather in Brussels in December 2024
- December is usually the wettest month of the year in Brussels;
Average weather
Average temperature in Brussels in December
Going from a maximum of +13°C during the day to a minimum of -4°C during the night, the temperature in December averages around +9°C.
The average maximum temperature goes up 53% by the end of the month, compared with the beginning of the month, from +1°C to +10°C.
Is Brussels warm or cold in December?
Brussels is typically cool in December.
Maximum temperatures go down compared to the previous month from +10°C to +7°C. The minimum temperature also goes down from +5°C to +3°C.
Pack a sweater 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:
Climate in Brussels in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +10°C | +7°C | +6°C | ||||
| Min. temperature | ||||||
| -7°C | -13°C | -20°C | ||||
| Max. temperature | ||||||
| +20°C | +17°C | +18°C | ||||
| 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 +10°C in the day, the average maximum temperature lowers to +7°C. 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
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
Snow
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?
Climate Change over Years
The climate in Brussels in December has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+13°C) and the highest in 2022 (+17°C). The driest year was 1996 with only 558 mm of rainfall, and the wettest year was 2022 with 1284 mm.
FAQ
Is December a good time to visit Brussels?
Can you sunbathe in Brussels in December?
Is Brussels rainy in December?
Is it sunny in Brussels in December?
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.