Brussels Capital (Brussels)
December
Weather in Brussels Capital for December 2025
Your guide to Brussels Capital weather in December - trends and predictions
With an average of 2 snowy days, Brussels Capital usually enjoys a light touch of snow in December.
In general, the average temperature in Brussels Capital at the beginning of December is 6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 9 °C by the end of December.
Brussels Capital experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 92.8 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
3
Dry days
26
Rainy days
2
Snow days
7°/3°
Temperatures
24 km/h
Avg max wind
83 %
Avg humidity
Brussels Capital in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  7° | 2  6° | 3  4° | 4 6° | 5  6° | 6 7° | 7  6° |
| 8 6° | 9 6° | 10  5° | 11 6° | 12 7° | 13 6° | 14 6° |
| 15 8° | 16  8° | 17 7° | 18 8° | 19 10° | 20 8° | 21 9° |
| 22 9° | 23 10° | 24 9° | 25 9° | 26 9° | 27 8° | 28 8° |
| 29 9° | 30 10° | 31 10° |
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Temperatures trend during December in Brussels Capital
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Overcast | 7° /2° | 1.7 mm | 0 cm | |
| 2 Dec. | Moderate rain at times | 6° /1° | 1.2 mm | 0 cm | |
| 3 Dec. | Light freezing rain | 4° /0° | 1.2 mm | 0.3 cm | |
| 4 Dec. | Moderate or heavy rain shower | 6° /1° | 2.9 mm | 0 cm | |
| 5 Dec. | Heavy rain at times | 6° /2° | 3.9 mm | 0.2 cm | |
| 6 Dec. | Moderate rain at times | 7° /2° | 4.4 mm | 0 cm | |
| 7 Dec. | Patchy rain possible | 6° /2° | 3.9 mm | 0 cm | |
| 8 Dec. | Patchy rain possible | 6° /2° | 1.9 mm | 0 cm | |
| 9 Dec. | Patchy rain possible | 6° /2° | 3.2 mm | 0 cm | |
| 10 Dec. | Cloudy | 5° /2° | 4 mm | 0 cm | |
| 11 Dec. | Moderate rain at times | 6° /1° | 2.2 mm | 0.1 cm | |
| 12 Dec. | Overcast | 7° /2° | 1.5 mm | 0 cm | |
| 13 Dec. | Moderate rain at times | 6° /2° | 3.1 mm | 0 cm | |
| 14 Dec. | Overcast | 6° /2° | 1.7 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 8° /2° | 1.1 mm | 0 cm | |
| 16 Dec. | Partly cloudy | 8° /3° | 0.1 mm | 0 cm | |
| 17 Dec. | Overcast | 7° /3° | 0.7 mm | 0 cm | |
| 18 Dec. | Partly cloudy | 8° /3° | 0.6 mm | 0 cm | |
| 19 Dec. | Patchy rain possible | 10° /4° | 3.9 mm | 0 cm | |
| 20 Dec. | Partly cloudy | 8° /4° | 3.1 mm | 0 cm | |
| 21 Dec. | Moderate or heavy rain shower | 9° /4° | 4.8 mm | 0 cm | |
| 22 Dec. | Moderate rain at times | 9° /5° | 6.2 mm | 0 cm | |
| 23 Dec. | Moderate or heavy rain shower | 10° /6° | 5.6 mm | 0 cm | |
| 24 Dec. | Patchy rain possible | 9° /5° | 1.7 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 9° /5° | 4.9 mm | 0 cm | |
| 26 Dec. | Overcast | 9° /3° | 1.5 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 8° /4° | 4.6 mm | 0 cm | |
| 28 Dec. | Moderate rain at times | 8° /4° | 2.2 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 9° /4° | 1.9 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 10° /4° | 1.4 mm | 0 cm | |
| 31 Dec. | Moderate rain at times | 10° /5° | 2.4 mm | 0 cm | |
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Important Notice
Our weather forecast for Brussels Capital in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Brussels Capital forecast closer to your planned date for the most up-to-date weather information.
Brussels Capital in December - FAQ
What are the expected maximum and minimum temperatures in Brussels Capital during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in Brussels Capital during December?
Moderate rainfall is anticipated in Brussels Capital during December, with a total of 92.8 mm spread over approximately 26 days. Considering plans for rainy days is advisable.
Will it snow in Brussels Capital in December 2025?
Brussels Capital experiences an average snowfall of 0.577 cm during December, occurring over 2 days.
What are the typical wind conditions in Brussels Capital during December?
The average wind speed in Brussels Capital during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Brussels Capital snow forecast December 2025
Track daily snowfall levels and discover Brussels Capital’s snowy potential this December ❄️
December rainfall patterns in Brussels Capital
Explore the daily rainfall trends and prepare for Brussels Capitals December weather 💧
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