Genk Weather in December
Genk in December sees low daytime temperatures of 8°C (46°F) and nighttime lows of 2°C (36°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Genk in December
An umbrella might come in handy since it is the wettest month of the year. You can expect rain on roughly 19 days based on historical data, averaging 84 mm (3.3 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Genk in December
Expect highs of 8°C (46°F) in Genk in December, with nights dropping to around 2°C (36°F). December is typically considered a winter month. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Genk in December
The month has fewer sunny days, with around 55 hours of sunshine.
Wind Speed in Genk in December
Average wind conditions reach 5 m/s (10 knots) in December. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.December in Genk 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 Genk's climate page.
Genk Temperature in December
Min Temperature
2°C (36°F)
Max Temperature
8°C (46°F)
Chance of Rain
64%
Precipitation
84 mm (3.3 in)
Rainy days
19 days
Humidity
88% *
Windspeed
5 m/s (10 knots) *
Sunshine
55 hours *
Percentage Sunshine
21% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Genk 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 Genk in December
Browse day-by-day weather records for Genk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Genk historical weather extremes in December
Our historical data for Genk spans 1976 to 2025, revealing these weather extremes.
- The warmest day in December was on December 31, 2022, with a maximum of 17°C (63°F).
- The lowest daytime temperature in December was -6°C (21°F), recorded on December 18, 1981.
- Nighttime temperatures dropped to -15°C (5°F) on December 31, 1978, 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
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tolerable
unpleasant
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What to Wear in Genk in December
Dress warmly and in layers for your trip to Genk 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 Genk 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 Genk's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Genk climate overview or explore weather in Belgium.
