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December Weather in Alsdorf, Germany

Last updated: August 23, 2025

In Alsdorf, Germany, the average temperature in December hovers around 3°C (37°F), with a chilly minimum of -6°C (21°F) and a mild maximum of 13°C (55°F). Expect 136 mm (5.4 in) of precipitation over approximately 19 days, accompanied by a high average humidity of 92%. Be prepared for a damp and cool month!

December Temperature in Alsdorf

In December in Alsdorf, the average temperature is 3°C (37°F), with maximums reaching 13°C (55°F) and minimums dipping as low as -6°C (21°F). Be prepared for chilly conditions and pack accordingly for your travels!

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

The chart illustrates December temperature patterns in Alsdorf, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alsdorf, December typically has an average temperature of 3°C (37°F), with highs reaching up to 13°C (55°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec343641485463646457504137
Data source: Temperature data for Alsdorf 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 Alsdorf

In Alsdorf in December, the precipitation amount is 136 mm (5.4 in) over the course of 19 days.

December Precipitation Trends in Alsdorf

The chart displays monthly precipitation patterns in Alsdorf, 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 Alsdorf, December typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec97931044483798979648461136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alsdorf

In Alsdorf in December humidity is 92%. With an average temperature of 3°C (37°F), this humidity feels like a heavy blanket that clings to your skin, making every step feel laborious and the cold air seem even more biting, a challenging environment for traveling.

December Average Humidity in Alsdorf

This chart illustrates the average monthly humidity levels in Alsdorf, 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 Alsdorf is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alsdorf

In Alsdorf 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 Alsdorf.

Maximum UV Index Levels in Alsdorf for December

The chart shows the monthly maximum UV Index (UVI) for Alsdorf 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 Alsdorf typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134578875421
Data source: Alsdorf 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 Alsdorf Compares to Other Months

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

This table compares monthly weather conditions in Alsdorf, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)97 mm (3.8 inches)92%low
February Weather2°C (36°F)93 mm (3.7 inches)90%moderate
March Weather5°C (41°F)104 mm (4.1 inches)87%moderate
April Weather9°C (48°F)44 mm (1.7 inches)83%moderate
May Weather12°C (54°F)83 mm (3.3 inches)76%high
June Weather17°C (64°F)79 mm (3.1 inches)74%very high
July Weather18°C (65°F)89 mm (3.5 inches)74%very high
August Weather18°C (65°F)79 mm (3.1 inches)75%high
September Weather14°C (57°F)64 mm (2.5 inches)82%moderate
October Weather10°C (50°F)84 mm (3.3 inches)88%moderate
November Weather5°C (41°F)61 mm (2.4 inches)90%low
December Weather3°C (37°F)136 mm (5.4 inches)92%low

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