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Weather in Belgium in December – is it worth traveling to?

Is the weather pleasant in Belgium? See historical weather data for December to see if it meets your needs.
Check flight prices to Belgium on Avionero:
December

Is the weather good in Belgium in December 2024?

Uncomfortable Weather
Mild
🌧️
Rainy

For the past few decades, the average daily temperatures in Belgium during December have been around +45°F.

In Belgium the temperature rarely varies more than seven degrees between the different parts with the highest temperature +45°F in Brussels to +45°F in Antwerp. So you should be able to pack for similar conditions wherever you go in the country.

Temperature, wind and humidity in December

Average
Antwerp
Brussels
☀️
+45°F
Avg. max. temperature
+9°F
Min.
+63°F
Max.
72 mm
Total precipitation
86%
Avg. humidity
4 m/s
Avg. wind
2 ☀️
Sunny Days
11 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Belgium has uncomfortable weather in December.
Belgium in December – what city is the…
  • rainiest? Antwerp, with an average of 3 mm of rain and humidity of 85%;
  • warmest? Brussels, with daytime temperatures averaging +45°F;
  • windiest? Brussels, with an average of 4 m/s;
  • coolest? Antwerp, with daytime temperatures averaging +45°F;

How good is the weather in Belgium in December?

During December, Belgium has weather that may require extra clothing. The average air pressure is 1015 HPa, 68 mm of rain and winds averaging 3 m/s. Humidity in December ranges from between 85% in Antwerp and 86% in Brussels. High humidity together with low temperatures and wind provide an additional cooling effect.

How warm is it in Belgium during December?

The December often has weather that requires warm clothing – the average daily temperature is +45°F.

This is how hot it usually is in December

The average daily temperatures above don't tell you everything about how hot it can be in Belgium. For example, cold nights can make a big difference for those staying in tents or unheated houses. Extra hot days, on the other hand, can make a big difference for those who plan to engage in demanding physical training or competition. So here are some more temperatures for December:
Average
Antwerp
Brussels
  • Average maximum temperature for the month: +45°F;
  • Average minimum temperature for the month: +37°F;
  • Highest monthly temperature: +45°F;
  • Lowest monthly temperature: +36°F;

Monthly temperatures:

Average
Antwerp
Brussels
  • Warmest: July with an average +73°F during the day;
  • Coldest: January with an average +43°F of the day;
  • Hottest month in hottest city: July in Brussels;
  • Coldest month in coolest city: January in Antwerp;

Winds in Belgium during December

Wind speed in Belgium in December based on historical data:
Average
Antwerp
Brussels

December tends to offer light winds averaging 4 m/s. However, coastal cities may experience breezes during the mornings and afternoons.

Comparison between cities in December:

  • Highest average wind speed: Brussels with 3 m/s;
  • Lowest average wind speed: Antwerp with 3 m/s;
  • Windiest day of the month: Brussels with 5 m/s;
  • The least windy day of the month: Antwerp with 3 m/s;

Humidity and precipitation in Belgium in December

Amount of rainfall in mm during December in Belgium based on historical data:
Average
Antwerp
Brussels
December tends to be an extremely humid month with 78% humidity and 68 mm rainfall. In general the humidity tends to be a little lower in mountainous regions and more humid closer to water.

Comparison between cities in December:

Average
Antwerp
Brussels
  • Highest average rainfall: Antwerp with 78 mm;
  • Lowest average rainfall: Brussels with 65 mm;
  • Most number of rainy days: Antwerp with 15 rainy days;
  • Least number of rainy days: Brussels with 14 rainy days;
  • Highest risk of rain during the day: Antwerp with 48%;
  • Least risk of rain during the day: Brussels with 45%;
  • Highest average humidity: Brussels with 86%;
  • Lowest average humidity: Antwerp with 85%;

Snow

Amount of snow in mm. during December in Belgium based on historical data:
Average
Antwerp
Brussels
Total snow in December is about 2 mm, with a 4% chance of snow on a typical day.

Comparison between cities in December:

Average
Antwerp
Brussels
  • Highest average snowfall: Brussels with 8 mm;
  • Lowest average snowfall: Antwerp with 8 mm;
  • Most number of snowy days: Brussels with 3 snowy days;
  • Least number of snowy days: Antwerp with 3 snowy days;
  • Highest chance of snow during the day: Brussels with 10%;
  • Least chance of snow during the day: Antwerp with 10%;

Tips for traveling to Belgium in December

Looking for some tips for traveling to the sun, snow, or whatever you're aiming for Belgium? Activities, weather, and clothing are closely linked. In addition, it's important to pack only what you really need so you don't have to worry about heavy packing or paying extra baggage fees.

Here is some advice on what to pack and what kind of activities you can do in the Belgium based on the weather that December is expected to bring. The advice applies to the country as a whole – local weather and possible activities may differ somewhat.

rainy, mild weather with light winds and very high humidity in December
Avionero

Pack right for December

The weather makes a difference when it comes to packing - especially which items should go in your suitcase. The tips below are designed to help you pack light and right without carrying more than necessary.
  • For light showers, an umbrella or a thin and light rain cape is usually sufficient, while more rain may require rainwear and rain boots.
  • Cool weather is between warm and cold. This means you can bring long pants and/or a longer skirt and an extra sweater. Be aware that cool days can alternate with cold nights - it may be wise to also pack a hat, gloves and a scarf.
  • Light winds are probably most comfortable in hot weather but is cooling in cool and cold weather. If it is hot (when the air temperature is about 30 degrees), the wind can have a warming effect. A thin, windproof jacket and long trousers help to counteract these effects.
  • High humidity means that the air conducts heat to and from the skin more easily. For example, if the air is hot (above skin temperature), it will be harder to stay cool. On the other hand, if the air is cool or cold, it is more difficult to stay warm. In high humidity, the choice of clothing makes less of a difference. However, your physical activity plays a bigger role.

FAQ

Frequently asked questions about the weather in Belgium in December:

What can you do outside when it's warm in Belgium?

Bathing and sunbathing can be suitable. Warm (but not hot) days are also good for activities that are not so physically demanding: sightseeing on foot, by boat, on a scooter, camel riding. You can also exercise easily as long as you make sure to cool down and quench thirst.

Is December a good time to visit Belgium?

There is never a bad time to go to Belgium, but the weather is difficult in December, so plan on enjoying the great indoor attractions of Belgium and pack for the extremes in weather.

Monthly weather in Belgium

Source of the data

For this page, we’ve looked at the typical weather in Belgium, 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.