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December Weather in Willich, Germany

Last updated: August 23, 2025

In December, the average temperature in Willich, Germany hovers around 5°C (42°F), with a minimum reaching as low as -5°C (24°F) and a maximum soaring to 15°C (60°F). This month experiences substantial precipitation, totaling 102 mm (4.0 in) spread over 19 days, contributing to a high average humidity of 92%.

December Temperature in Willich

In December in Willich, the average temperature is 5°C (42°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop as low as -5°C (24°F). Be prepared for a range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Willich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willich, December typically has an average temperature of 5°C (42°F), with highs reaching up to 15°C (60°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec394145505766676760544541
Data source: Temperature data for Willich 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 Willich

In Willich in December, the total precipitation amount is 102 mm (4.0 in), occurring over the course of 19 days.

December Precipitation Trends in Willich

The chart displays monthly precipitation patterns in Willich, 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 Willich, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec7076753967699373619758102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Willich

In Willich in December, humidity is 92%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Willich

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

In Willich 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 Willich.

Maximum UV Index Levels in Willich for December

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

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

This table compares monthly weather conditions in Willich, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)70 mm (2.8 inches)91%low
February Weather5°C (41°F)76 mm (3.0 inches)90%low
March Weather7°C (45°F)75 mm (3.0 inches)87%moderate
April Weather10°C (51°F)39 mm (1.5 inches)84%moderate
May Weather14°C (57°F)67 mm (2.6 inches)77%high
June Weather19°C (66°F)68 mm (2.7 inches)74%very high
July Weather19°C (67°F)93 mm (3.7 inches)72%very high
August Weather19°C (67°F)73 mm (2.9 inches)71%high
September Weather16°C (60°F)61 mm (2.4 inches)81%moderate
October Weather12°C (54°F)97 mm (3.8 inches)88%moderate
November Weather7°C (45°F)58 mm (2.3 inches)91%low
December Weather5°C (42°F)102 mm (4.0 inches)92%low

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