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December Weather in Grossweil, Germany

Last updated: August 23, 2025

In December, the average temperature in Grossweil, Germany hovers around 1°C (34°F), with minimums dipping as low as -12°C (11°F) and maximums reaching up to 12°C (54°F). Prepare for a wet month as precipitation averages 110 mm (4.3 in) over 17 days, contributing to a high average humidity of 90%. Stay warm and dry!

December Temperature in Grossweil

In December in Grossweil, the average temperature is 1°C (34°F). The maximum can reach 12°C (54°F), while the minimum can dip as low as -12°C (11°F). Be prepared for cold weather and pack warm clothing if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Grossweil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grossweil, December typically has an average temperature of 1°C (34°F), with highs reaching up to 12°C (54°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439465362636456493933
Data source: Temperature data for Grossweil 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 Grossweil

In Grossweil in December, the precipitation amount is 110 mm (4.3 in) spread over 17 days.

December Precipitation Trends in Grossweil

The chart displays monthly precipitation patterns in Grossweil, 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 Grossweil, December typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec9583857917715817617012610667110
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grossweil

In Grossweil in December, humidity is 90%. With an average temperature of 1°C (34°F), this humidity feels like you're wrapped in a cold, damp blanket, making travel uncomfortable and requiring extra layers to combat the chill.

December Average Humidity in Grossweil

This chart illustrates the average monthly humidity levels in Grossweil, 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 Grossweil is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grossweil

In Grossweil in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Grossweil, you can visit Hourly UV Index in Grossweil.

Maximum UV Index Levels in Grossweil for December

The chart shows the monthly maximum UV Index (UVI) for Grossweil 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 Grossweil typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986432
Data source: Grossweil 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 Grossweil Compares to Other Months

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

This table compares monthly weather conditions in Grossweil, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)95 mm (3.7 inches)93%low
February Weather1°C (34°F)83 mm (3.3 inches)89%moderate
March Weather4°C (39°F)85 mm (3.3 inches)86%moderate
April Weather8°C (47°F)79 mm (3.1 inches)83%high
May Weather12°C (53°F)177 mm (7.0 inches)78%very high
June Weather17°C (63°F)158 mm (6.2 inches)79%very high
July Weather17°C (64°F)176 mm (6.9 inches)82%very high
August Weather18°C (64°F)169 mm (6.7 inches)80%very high
September Weather13°C (56°F)126 mm (5.0 inches)83%high
October Weather9°C (49°F)106 mm (4.2 inches)90%moderate
November Weather4°C (39°F)67 mm (2.6 inches)89%moderate
December Weather1°C (34°F)110 mm (4.3 inches)90%low

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