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December Weather in Karlum, Germany

Last updated: August 23, 2025

In December, the average temperature in Karlum, Germany hovers around 4°C (40°F), with minimums dipping to -9°C (16°F) and maximums reaching up to 11°C (52°F). Be prepared for a wet month as 73 mm (2.9 in) of precipitation falls over approximately 15 days, all while the average humidity remains high at 87%.

December Temperature in Karlum

In December in Karlum, the average temperature is 4°C (40°F), with maximums reaching up to 11°C (52°F) and minimums dipping as low as -9°C (16°F). Travelers should prepare for chilly conditions and pack accordingly.

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

The chart illustrates December temperature patterns in Karlum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlum, December typically has an average temperature of 4°C (40°F), with highs reaching up to 11°C (52°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec383840465361636458524540
Data source: Temperature data for Karlum 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 Karlum

In Karlum in December, the precipitation amount is 73 mm (2.9 in) over the course of 15 days.

December Precipitation Trends in Karlum

The chart displays monthly precipitation patterns in Karlum, 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 Karlum, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6066734272608587841046173
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Karlum

In Karlum in December humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

December Average Humidity in Karlum

This chart illustrates the average monthly humidity levels in Karlum, 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 Karlum is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%84%79%75%76%77%84%87%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Karlum

In Karlum 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 Karlum.

Maximum UV Index Levels in Karlum for December

The chart shows the monthly maximum UV Index (UVI) for Karlum 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 Karlum typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Karlum 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 Karlum Compares to Other Months

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

This table compares monthly weather conditions in Karlum, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)60 mm (2.4 inches)89%low
February Weather3°C (38°F)66 mm (2.6 inches)88%low
March Weather4°C (40°F)73 mm (2.9 inches)87%moderate
April Weather8°C (46°F)42 mm (1.7 inches)84%moderate
May Weather12°C (53°F)72 mm (2.8 inches)79%high
June Weather16°C (62°F)60 mm (2.4 inches)75%very high
July Weather17°C (63°F)85 mm (3.3 inches)76%high
August Weather18°C (64°F)87 mm (3.4 inches)77%high
September Weather14°C (58°F)84 mm (3.3 inches)84%moderate
October Weather11°C (52°F)104 mm (4.1 inches)87%moderate
November Weather7°C (45°F)61 mm (2.4 inches)88%low
December Weather4°C (40°F)73 mm (2.9 inches)87%low

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