Belgium in December: where is it warmest?
In December, De Haan is the warmest place with 8 °C by day, Bastogne the coolest with 4 °C. 0 of 22 destinations have good holiday weather.
All destinations in December, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| De Haan | 6 | 8° | – | 2 h | 15 |
| Ostend | 4 | 8° | 9° | 2 h | 15 |
| Ghent | 11 | 7° | – | 2 h | 13 |
| Brussels | 11 | 7° | – | 2 h | 13 |
| Ypres | 11 | 7° | – | 2 h | 13 |
| Namur | 11 | 7° | – | 2 h | 13 |
| Mechelen | 11 | 7° | – | 2 h | 13 |
| Tournai | 11 | 7° | – | 2 h | 13 |
| Antwerp | 10 | 7° | – | 2 h | 13 |
| Leuven | 10 | 7° | – | 2 h | 13 |
| Mons | 10 | 7° | – | 2 h | 13 |
| Dinant | 9 | 7° | – | 2 h | 14 |
| Hasselt | 9 | 7° | – | 2 h | 14 |
| Bruges | 8 | 7° | – | 2 h | 14 |
| Zeebrugge | 5 | 7° | 9° | 2 h | 14 |
| Knokke-Heist | 5 | 7° | 8° | 2 h | 14 |
| Waterloo | 9 | 6° | – | 2 h | 14 |
| Liège | 8 | 6° | – | 2 h | 14 |
| Spa | 4 | 5° | – | 2 h | 16 |
| Eupen | 4 | 5° | – | 2 h | 16 |
| Malmedy | 4 | 5° | – | 2 h | 16 |
| Bastogne | 7 | 4° | – | 1 h | 15 |
Belgium in December: quick answers
Belgium in December: where is it warmest?
The warmest places in December are De Haan (8 °C), Ostend (8 °C) and Ghent (7 °C).
Belgium in December: where is the sea warmest?
The sea is warmest at Ostend (9 °C), Zeebrugge (9 °C) and Knokke-Heist (8 °C).
Belgium in December: where is the weather best?
The best holiday weather in December – warm, sunny and dry – is in Ghent, Brussels and Ypres.
Belgium month by month
Belgium: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences