December Weather in Genk, Belgium

Last updated: August 22, 2025

In December, the average temperature in Genk, Belgium hovers around 5°C (42°F). Expect chilly days, as temperatures can dip as low as -4°C (24°F) and occasionally rise to a maximum of 15°C (60°F). With an average precipitation of 96 mm (3.8 in) spread over 18 days and a humidity level of 92%, it's advisable to come prepared for wet and damp conditions!

December Temperature in Genk

In December in Genk, the average temperature is 5°C (42°F). The maximum can reach 15°C (60°F), and the minimum can be as low as -4°C (24°F). Be prepared for a mix of cool and mild weather when traveling during this time.

December Weather in Genk: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Genk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Genk, December typically has an average temperature of 5°C (42°F), with highs reaching up to 15°C (60°F) and lows dropping to around -4°C (24°F).

Data source: Temperature data for Genk generated using information from the Copernicus Climate Change Service.

December Precipitation in Genk

In Genk in December, the precipitation amount is 96 mm (3.8 in), occurring over a span of 18 days.

December Precipitation Trends in Genk

The chart displays monthly precipitation patterns in Genk, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Genk, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Genk

In Genk in December, humidity is 92%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Genk

This chart illustrates the average monthly humidity levels in Genk, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Genk is approximately 92%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Genk

In Genk in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Genk.

Maximum UV Index Levels in Genk for December

The chart shows the monthly maximum UV Index (UVI) for Genk in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Genk typically reaches 1, which falls under the low exposure category.

Data source: Genk December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Genk Compares to Other Months

Weather in Genk varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Genk, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Genk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	65 mm (2.6 inches)	91%	low
February Weather	5°C (42°F)	72 mm (2.8 inches)	90%	low
March Weather	7°C (45°F)	76 mm (3.0 inches)	87%	moderate
April Weather	10°C (51°F)	35 mm (1.4 inches)	84%	moderate
May Weather	14°C (58°F)	60 mm (2.4 inches)	77%	high
June Weather	19°C (66°F)	78 mm (3.1 inches)	74%	very high
July Weather	19°C (67°F)	76 mm (3.0 inches)	72%	very high
August Weather	19°C (67°F)	78 mm (3.1 inches)	71%	high
September Weather	15°C (60°F)	61 mm (2.4 inches)	81%	moderate
October Weather	12°C (54°F)	84 mm (3.3 inches)	88%	moderate
November Weather	7°C (45°F)	55 mm (2.2 inches)	91%	low
December Weather	5°C (42°F)	96 mm (3.8 inches)	92%	low