Climate averages 1991–2020
Leuven weather
in December.
A cold, moderately wet month: the 11th warmest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Leuven: daytime highs average 6.5°C and nights cool to about 2.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 72 mm of rain on roughly 13 days, which makes December a moderately wet month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 02 min on an average December day.
The nearest other city in this atlas is Mechelen (23 km away). In December its highs average 6.6°C, about as warm as Leuven, with 70 mm of rain.
Among the 18 cities listed in Belgium, Leuven ranks joint 10th of 18 for the warmest December highs and 4th of 18 for the driest December (rainfall, lowest first). The mean December high of those 18 cities is 6.5°C; Leuven is level with that mean.
From December to January, average highs fall by 0.5°C to 6.0°C, and monthly rainfall falls from 72 mm to 62 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Leuven climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.0°C1.3°C | 1.3°C | 62 | 11.7 | 8.58 h |
| February | 7.1°C1.2°C | 1.2°C | 56 | 10.9 | 10.010 h |
| March | 10.6°C2.9°C | 2.9°C | 55 | 11.8 | 11.812 h |
| April | 14.4°C5.3°C | 5.3°C | 46 | 10.7 | 13.814 h |
| May | 17.9°C9.1°C | 9.1°C | 59 | 12.2 | 15.515 h |
| June | 20.7°C12.1°C | 12.1°C | 67 | 11.3 | 16.416 h |
| July | 22.7°C14.4°C | 14.4°C | 72 | 12.5 | 16.016 h |
| August | 22.6°C14.2°C | 14.2°C | 73 | 12.0 | 14.615 h |
| September | 19.2°C11.7°C | 11.7°C | 53 | 10.4 | 12.713 h |
| October | 14.8°C8.6°C | 8.6°C | 58 | 11.1 | 10.811 h |
| November | 9.9°C4.9°C | 4.9°C | 62 | 11.6 | 9.09 h |
| December, selected | 6.5°C2.1°C | 2.1°C | 72 | 12.9 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Mechelen in DecemberBelgium · 23 kmHigh 6.6°C · Low 2.3°C · 70 mm rain
- Schaerbeek in DecemberBelgium · 23 kmHigh 6.6°C · Low 2.2°C · 74 mm rain
- Ixelles in DecemberBelgium · 24 kmHigh 6.3°C · Low 1.9°C · 74 mm rain
- Brussels in DecemberBelgium · 25 kmHigh 6.6°C · Low 2.2°C · 74 mm rain
- Anderlecht in DecemberBelgium · 28 kmHigh 6.7°C · Low 2.3°C · 74 mm rain
- Deurne in DecemberBelgium · 41 kmHigh 6.5°C · Low 2.3°C · 74 mm rain
- Antwerp in DecemberBelgium · 43 kmHigh 6.5°C · Low 2.3°C · 74 mm rain
- Hasselt in DecemberBelgium · 45 kmHigh 6.3°C · Low 2.0°C · 77 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Leuven) is explained once on the Leuven year overview and on the Sources, method and limits page.