Climate averages 1991–2020
Weather in Belgium in December
In December, average daytime highs across the 18 cities listed in Belgium range from 6.1°C in La Louvière to 7.0°C in Brugge. Monthly rainfall ranges from 70 mm in Mechelen to 82 mm in Liège.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Belgium
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Brussels | 6.6°C2.2°C | 2.2°C | 74 | 13.0 |
| Antwerp | 6.5°C2.3°C | 2.3°C | 74 | 13.3 |
| Gent | 6.7°C2.5°C | 2.5°C | 71 | 12.6 |
| Charleroi | 6.1°C1.8°C | 1.8°C | 79 | 13.5 |
| Liège | 6.3°C2.1°C | 2.1°C | 82 | 14.0 |
| Anderlecht | 6.7°C2.3°C | 2.3°C | 74 | 13.0 |
| Schaerbeek | 6.6°C2.2°C | 2.2°C | 74 | 13.2 |
| Brugge | 7.0°C3.4°C | 3.4°C | 73 | 13.9 |
| Namur | 6.4°C2.0°C | 2.0°C | 80 | 13.9 |
| Leuven | 6.5°C2.1°C | 2.1°C | 72 | 12.9 |
| Mons | 6.6°C2.2°C | 2.2°C | 78 | 13.5 |
| Ixelles | 6.3°C1.9°C | 1.9°C | 74 | 13.0 |
| Deurne | 6.5°C2.3°C | 2.3°C | 74 | 13.3 |
| Hasselt | 6.3°C2.0°C | 2.0°C | 77 | 13.6 |
| Aalst | 6.7°C2.5°C | 2.5°C | 71 | 12.8 |
| Mechelen | 6.6°C2.3°C | 2.3°C | 70 | 12.9 |
| La Louvière | 6.1°C1.7°C | 1.7°C | 79 | 13.3 |
| Kortrijk | 6.9°C2.6°C | 2.6°C | 74 | 12.9 |
A rain day is a local calendar day with at least 1 mm of precipitation.