Brussels weather in December
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Brussels December weather at a glance
In December, Brussels averages 5.8°C, with typical highs of 7.9°C and lows of 3.6°C. The historical average is 10 wet days and 88% humidity.
Brussels December temperature & humidity
Brussels December rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Brussels in December
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.
- DaytimeWarm coat and layered tops · average high 7.9°C
- Morning & eveningInsulating coat, scarf and gloves · average low 3.6°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Brussels December sunrise & sunset times
2026 December · Local time (Europe/Brussels)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-12-01 | 08:23 | 16:40 | 8h 17m |
| 2026-12-15 | 08:38 | 16:37 | 7h 58m |
| 2026-12-31 | 08:45 | 16:46 | 8h 1m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Brussels
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
December weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Brussels weather like in December?
In December, Brussels averages 5.8°C, with typical highs of 7.9°C and lows of 3.6°C. The historical average is 10 wet days and 88% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Brussels in December?
There are about 10 wet days in December. A compact umbrella is still useful.
What should I wear in Brussels in December?
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Brussels?
Recent weather data rates June, August among the more comfortable months.
Where can I check Brussels weather in December in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Brussels in December?
On 2026-12-15, calculated sunrise is 08:38 and sunset is 16:37 in local time (Europe/Brussels). Times vary by date and terrain.
Brussels weather by month
More Europe destinations in December
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations