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December Weather in Altenkirchen, Germany

Last updated: August 23, 2025

In December, the average temperature in Altenkirchen, Germany hovers around 5°C (41°F). Expect a chill in the air, with temperatures dipping as low as -2°C (28°F) and rising to a maximum of 10°C (50°F). With 76 mm (3.0 in) of precipitation over 17 days, make sure to pack your umbrella! Additionally, the average humidity is a comfortable 85%, adding to the crisp atmosphere of the season.

December Temperature in Altenkirchen

In December in Altenkirchen, the average temperature is 5°C (41°F). The maximum can reach 10°C (50°F) and the minimum can be as low as -2°C (28°F). Be sure to pack warm clothing if you're traveling during this time.

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

The chart illustrates December temperature patterns in Altenkirchen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altenkirchen, December typically has an average temperature of 5°C (41°F), with highs reaching up to 10°C (50°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec383839435161646661544741
Data source: Temperature data for Altenkirchen 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 Altenkirchen

In Altenkirchen in December, the total precipitation amount is 76 mm (3.0 in) spread over 17 days, indicating a relatively wet period for the area.

December Precipitation Trends in Altenkirchen

The chart displays monthly precipitation patterns in Altenkirchen, 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 Altenkirchen, December typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec6258593339516780751067376
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Altenkirchen

In Altenkirchen in December, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.

December Average Humidity in Altenkirchen

This chart illustrates the average monthly humidity levels in Altenkirchen, 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 Altenkirchen is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%87%85%82%81%82%80%82%85%85%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Altenkirchen

In Altenkirchen 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 Altenkirchen.

Maximum UV Index Levels in Altenkirchen for December

The chart shows the monthly maximum UV Index (UVI) for Altenkirchen 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 Altenkirchen typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Altenkirchen 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 Altenkirchen Compares to Other Months

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

This table compares monthly weather conditions in Altenkirchen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)62 mm (2.4 inches)87%low
February Weather3°C (38°F)58 mm (2.3 inches)88%low
March Weather4°C (39°F)59 mm (2.3 inches)87%moderate
April Weather6°C (44°F)33 mm (1.3 inches)85%moderate
May Weather11°C (51°F)39 mm (1.5 inches)82%high
June Weather16°C (61°F)51 mm (2.0 inches)81%very high
July Weather18°C (64°F)67 mm (2.6 inches)82%high
August Weather19°C (66°F)80 mm (3.1 inches)80%high
September Weather16°C (61°F)75 mm (3.0 inches)82%moderate
October Weather12°C (54°F)106 mm (4.2 inches)85%moderate
November Weather8°C (47°F)73 mm (2.9 inches)85%low
December Weather5°C (41°F)76 mm (3.0 inches)85%low

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