Stoumont Weather in December
December in Stoumont averages 6°C (43°F) during the day and 1°C (34°F) at night. It is the wettest month of the year, with 114 mm (4.5 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Stoumont in December
This is the wettest month of the year, so having an umbrella ready is a smart choice. Rain is expected on roughly 19 days, totalling around 114 mm (4.5 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Stoumont in December
In December, expect low temperatures in Stoumont, with highs of 6°C (43°F) and lows of 1°C (34°F) at night. This month falls in the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 1°C (34°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 Stoumont in December
The month has fewer sunny days, with around 45 hours of sunshine.
Wind Speed in Stoumont in December
Wind speeds average 5 m/s (10 knots) during December. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.December in Stoumont 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 Stoumont's climate page.
Stoumont Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
6°C (43°F)
Chance of Rain
64%
Precipitation
114 mm (4.5 in)
Rainy days
19 days
Humidity
91% *
Windspeed
5 m/s (10 knots) *
Sunshine
45 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Stoumont typically stay consistent throughout December, with daily highs averaging around 6°C (43°F). Nights are cold, with lows around 0°C (32°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 Stoumont in December
Browse day-by-day weather records for Stoumont spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Stoumont historical weather extremes in December
The extremes listed below come from historical weather data collected in Stoumont from 1976 through 2025.
- On December 24, 1977, temperatures climbed to 14°C (57°F), marking the warmest December day on record.
- The lowest daytime temperature in December was -7°C (19°F), recorded on December 25, 2010.
- Nighttime temperatures dropped to -16°C (3°F) on December 19, 2009, marking the coldest December night on record.
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
poor
What to Wear in Stoumont in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Stoumont 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 Stoumont's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Stoumont climate overview or explore weather in Belgium.
