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December Weather in Mortroux, Belgium

Last updated: August 22, 2025

In Mortroux, Belgium, the average temperature in December hovers around 5°C (41°F), with a chill that can dip to a brisk -4°C (24°F) and occasionally rise to a pleasant 15°C (59°F). Expect precipitation of approximately 113 mm (4.4 in) over 20 days, making it a relatively wet period, with an average humidity level of 92%. Prepare accordingly to enjoy this unique season!

December Temperature in Mortroux

In December in Mortroux, the average temperature is 5°C (41°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -4°C (24°F). This weather makes it advisable to pack layers and be prepared for chilly conditions while exploring the area.

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

The chart illustrates December temperature patterns in Mortroux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mortroux, December typically has an average temperature of 5°C (41°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec384144495664666659534441
Data source: Temperature data for Mortroux 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 Mortroux

In Mortroux, in December, the precipitation amount is 113 mm (4.4 in) over the course of 20 days.

December Precipitation Trends in Mortroux

The chart displays monthly precipitation patterns in Mortroux, 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 Mortroux, December typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec7880873969888778648559113
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mortroux

In Mortroux in December humidity is 92%. With an average temperature of 5°C (41°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable and dampening the spirits of those unprepared for the chill.

December Average Humidity in Mortroux

This chart illustrates the average monthly humidity levels in Mortroux, 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 Mortroux is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mortroux

In Mortroux 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 Mortroux.

Maximum UV Index Levels in Mortroux for December

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

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

This table compares monthly weather conditions in Mortroux, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)78 mm (3.1 inches)91%low
February Weather5°C (41°F)80 mm (3.1 inches)90%low
March Weather7°C (45°F)87 mm (3.4 inches)87%moderate
April Weather10°C (50°F)39 mm (1.5 inches)84%moderate
May Weather13°C (56°F)68 mm (2.7 inches)77%high
June Weather18°C (65°F)88 mm (3.5 inches)74%very high
July Weather19°C (66°F)87 mm (3.4 inches)72%very high
August Weather19°C (66°F)78 mm (3.1 inches)71%high
September Weather15°C (59°F)64 mm (2.5 inches)81%moderate
October Weather12°C (53°F)85 mm (3.3 inches)88%moderate
November Weather7°C (44°F)59 mm (2.3 inches)91%low
December Weather5°C (41°F)113 mm (4.4 inches)92%low

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