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December Weather in Deerlijk, Belgium

Last updated: August 22, 2025

In December, the average temperature in Deerlijk, Belgium hovers around 6°C (43°F), with a minimum dipping to -4°C (26°F) and a maximum reaching 15°C (58°F). Expect a total precipitation of 97 mm (3.8 in) spread across approximately 17 days, accompanied by an average humidity of a high 92%.

December Temperature in Deerlijk

In December in Deerlijk, the average temperature is 6°C (43°F), with maximums reaching up to 15°C (58°F) and minimums dropping as low as -4°C (26°F). Travelers should be prepared for chilly weather and pack layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Deerlijk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deerlijk, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (58°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404246505664666660554643
Data source: Temperature data for Deerlijk generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Deerlijk

In Deerlijk in December, the precipitation amount is 97 mm (3.8 in) spread over 17 days.

December Precipitation Trends in Deerlijk

The chart displays monthly precipitation patterns in Deerlijk, 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 Deerlijk, December typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec676567375861557552845898
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Deerlijk

In Deerlijk in December humidity is 92%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities uncomfortable and requiring extra layers for warmth while navigating the slick streets.

December Average Humidity in Deerlijk

This chart illustrates the average monthly humidity levels in Deerlijk, 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 Deerlijk is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Deerlijk

In Deerlijk 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 Deerlijk.

Maximum UV Index Levels in Deerlijk for December

The chart shows the monthly maximum UV Index (UVI) for Deerlijk 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 Deerlijk typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Deerlijk 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 Deerlijk Compares to Other Months

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

This table compares monthly weather conditions in Deerlijk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)67 mm (2.6 inches)91%low
February Weather6°C (43°F)65 mm (2.6 inches)89%low
March Weather8°C (46°F)67 mm (2.6 inches)87%moderate
April Weather10°C (51°F)37 mm (1.4 inches)85%moderate
May Weather14°C (57°F)58 mm (2.3 inches)82%high
June Weather18°C (64°F)61 mm (2.4 inches)82%very high
July Weather19°C (66°F)55 mm (2.2 inches)80%very high
August Weather19°C (66°F)75 mm (3.0 inches)76%high
September Weather16°C (61°F)52 mm (2.1 inches)82%moderate
October Weather13°C (55°F)84 mm (3.3 inches)89%moderate
November Weather8°C (46°F)58 mm (2.3 inches)92%low
December Weather6°C (43°F)97 mm (3.8 inches)92%low

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