Stoumont
Weather by month
Current –

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.

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
*
* Data from: Botrange, Belgium (23 KM, 14 Miles).

Stoumont Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Stoumont - and find the best time to visit.

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 records 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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    4/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    3/10
  • Outdoor sports
    3/10

Stoumont 3-Day Forecast

More climate data for Stoumont

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.