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December Weather in Mollem, Belgium

Last updated: August 22, 2025

In December, the average temperature in Mollem, Belgium hovers around 6°C (43°F). This month can bring a chill, with lows dipping to -4°C (24°F) and highs reaching up to 15°C (59°F). Rain is quite common, with an average precipitation of 89 mm (3.5 in) spread over 16 days. Expect a damp atmosphere, as the average humidity remains high at 92%.

December Temperature in Mollem

In December in Mollem, the average temperature is 6°C (43°F), with maximums reaching 15°C (59°F) and minimums dipping as low as -4°C (24°F). Visitors should prepare for chilly conditions and varying temperatures, making layered clothing essential for exploring the area comfortably.

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

The chart illustrates December temperature patterns in Mollem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mollem, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505765666660554642
Data source: Temperature data for Mollem 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 Mollem

In Mollem in December, the precipitation amount is 89 mm (3.5 in) over the course of 16 days.

December Precipitation Trends in Mollem

The chart displays monthly precipitation patterns in Mollem, 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 Mollem, December typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec626769385863677351795389
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mollem

In Mollem 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 Mollem

This chart illustrates the average monthly humidity levels in Mollem, 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 Mollem 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 Mollem

In Mollem 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 Mollem.

Maximum UV Index Levels in Mollem for December

The chart shows the monthly maximum UV Index (UVI) for Mollem 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 Mollem typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Mollem 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 Mollem Compares to Other Months

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

This table compares monthly weather conditions in Mollem, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)62 mm (2.4 inches)91%low
February Weather6°C (42°F)67 mm (2.6 inches)89%low
March Weather7°C (46°F)69 mm (2.7 inches)87%moderate
April Weather10°C (51°F)38 mm (1.5 inches)85%moderate
May Weather14°C (57°F)58 mm (2.3 inches)82%high
June Weather18°C (65°F)63 mm (2.5 inches)82%very high
July Weather19°C (67°F)67 mm (2.6 inches)80%very high
August Weather19°C (66°F)73 mm (2.9 inches)76%high
September Weather16°C (60°F)50 mm (2.0 inches)82%moderate
October Weather13°C (55°F)79 mm (3.1 inches)89%moderate
November Weather8°C (46°F)53 mm (2.1 inches)92%low
December Weather6°C (43°F)89 mm (3.5 inches)92%low

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