30YearWeather
Brussels in December
Brussels weather in December - Belgium
❄️Cool & Crisp

Brussels Weather in December

Plan your December trip to Brussels, Belgium. Based on 30 years of NASA data, expect temperatures of 7°C (high) to 3°C (low), with 30% rain probability and 8 hours of daily sunshine. Pack rain gear for around 23 rainy days.

Avg High
7°C

Hottest around day 24

Avg Low
3°C

Coolest around day 15

Rainy Days
23days

30% avg rain chance

Sunshine
8hrs/day

Winter season

Brussels December Weather Calendar

Click any day to see detailed weather information

Currency

EUR

Euro

Language

German

+2 more

Driving

Right side

Safety

High Safety

GPI: 1.526

Travel Intelligence

Exclusive flight analytics & health data for Brussels

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
80/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Sep

Low

Jan

Monthly Traffic Distribution

200
Jan
216
Feb
211
Mar
275
Apr
292
May
489
Jun
569
Jul
564
Aug
610
Sep
541
Oct
221
Nov
543
Dec
Traffic Level
Low Season

Key Connections

Madrid Adolfo Suárez –Barajas (MAD)
London Heathrow (LHR)
Barcelona (BCN)
Rome Leonardo da Vinci–Fiumicino (FCO)
Munich (MUC)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Belgium. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Belgium.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Belgium.If rabies exposures occur while in Belgium, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

Avoid bug bitesLearn more abouttick-borne encephalitis at your destination.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Brussels?

👌Good option with minor considerations
Short Answer

Brussels's December averages 7°C - cold but manageable with proper attire. Lower tourism (89% of peak) means better prices and fewer queues.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

87% average humidity

Peak tourist season

89% of annual peak - expect crowds and high prices

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Rich cultural heritage

8 UNESCO World Heritage sites nearby

Exceptional dining scene

178 Michelin-listed restaurants

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    87% humidity creates difficult conditions

  • 📸
    Photographers

    76% cloud cover limits natural light opportunities

  • 💑
    Honeymoon couples

    Wedding score only 47/100 - better months available

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Brussels in December averages 7°C with 30% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Brussels in December

What are the temperatures in Brussels in December?

Daytime highs average 7°C, nights drop to 3°C. Temperatures remain fairly consistent.

How many rainy days in Brussels in December?

Expect around 23 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Brussels in December?

Warm winter clothing: insulated jacket, boots, gloves.

Is December peak season in Brussels?

This is shoulder season—moderate prices and manageable crowds.