Leuven Weather in December
Leuven in December sees low daytime temperatures of 8°C (46°F) and nighttime lows of 2°C (36°F). Rainfall is fairly high this month at around 79 mm (3.1 in), so pack a rain jacket to stay dry.
Rainfall in Leuven in December
You can expect rain on around 18 days based on historical patterns, with 79 mm (3.1 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Leuven in December
Daytime temperatures in Leuven reach 8°C (46°F) in December, dropping to 2°C (36°F) at night. December is a notable month of the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Leuven in December
The month is characterized by fewer sunny days, with roughly 45 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Leuven in December
December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.December in Leuven has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Leuven's climate page.
Leuven Temperature in December
Min Temperature
2°C (36°F)
Max Temperature
8°C (46°F)
Chance of Rain
60%
Precipitation
79 mm (3.1 in)
Rainy days
18 days
Humidity
86% *
Windspeed
4 m/s (8 knots) *
Sunshine
45 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Leuven typically stay consistent throughout December, with daily highs averaging around 8°C (46°F). Nights are cold, with lows around 2°C (36°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Leuven in December
Browse day-by-day weather records for Leuven spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Leuven historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Leuven.
- On December 31, 2022, temperatures climbed to 16°C (61°F), marking the warmest December day on record.
- Leuven experienced its chilliest December day on December 18, 1981, reaching only -6°C (21°F).
- The lowest overnight temperature recorded in December was -13°C (9°F) (December 19, 2009).
Best Places in Belgium in December
Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in December →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Leuven in December
Dress warmly and in layers for your trip to Leuven in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Leuven in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Leuven's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Leuven climate overview or explore weather in Belgium.
