Bouillon Weather in December
December in Bouillon brings low temperatures, with daytime highs of 6°C (43°F) and nights around 1°C (34°F). It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Bouillon in December
Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Historically, December sees about 18 days of rain, with a monthly average of 115 mm (4.5 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Bouillon in December
December in Bouillon brings low temperatures, with highs of 6°C (43°F) and nights around 1°C (34°F). The winter season is characteristic of December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Bouillon in December
The area sees fewer sunny days, with a projection of about 37 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.December in Bouillon has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Bouillon's climate page.
Bouillon Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
6°C (43°F)
Chance of Rain
60%
Precipitation
115 mm (4.5 in)
Rainy days
18 days
Sunshine
37 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bouillon typically stay consistent throughout December, with daily highs averaging around 6°C (43°F). Nights are cold, with lows typically ranging from 0°C (32°F) to 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 Bouillon in December
Browse day-by-day weather records for Bouillon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bouillon historical weather extremes in December
Our historical data for Bouillon spans 1976 to 2025, revealing these weather extremes.
- The hottest December day on record in Bouillon reached 16°C (61°F) (December 16, 1989).
- On December 31, 1996, Bouillon saw its coldest December day with temperatures maxing out at -5°C (23°F).
- Bouillon registered its coldest December night on December 19, 2009, with temperatures dropping to -14°C (7°F).
- The wettest day in December Bouillon was on December 27, 1977 with 49 mm (1.9 in) of precipitation.
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
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tolerable
unpleasant
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What to Wear in Bouillon in December
Dress warmly and in layers for your trip to Bouillon 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Bouillon 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 Bouillon's climate page.
See the full Bouillon climate overview or explore weather in Belgium.
