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December Weather in Grasbrunn, Germany

Last updated: August 23, 2025

In December in Grasbrunn, Germany, the average temperature hovers around 2°C (36°F), with minimums dipping to -7°C (20°F) and maximums reaching up to 14°C (57°F). Expect precipitation of about 96 mm (3.8 in) over 17 days, and prepare for a cozy atmosphere with an average humidity level of 90%.

December Temperature in Grasbrunn

In December in Grasbrunn, the average temperature is 2°C (36°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -7°C (20°F). Travelers should be prepared for chilly weather, with a mix of mild and cold temperatures, making it essential to pack warm clothing.

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

The chart illustrates December temperature patterns in Grasbrunn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grasbrunn, December typically has an average temperature of 2°C (36°F), with highs reaching up to 14°C (57°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec333741495565666658504036
Data source: Temperature data for Grasbrunn 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 Grasbrunn

In Grasbrunn in December, the precipitation amount is 96 mm (3.8 in) over a span of 17 days.

December Precipitation Trends in Grasbrunn

The chart displays monthly precipitation patterns in Grasbrunn, 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 Grasbrunn, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7775725614012914014699885796
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grasbrunn

In Grasbrunn in December humidity is 90%. With an average temperature of 2°C (36°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and damp, and turning a simple stroll into a test of endurance for travelers.

December Average Humidity in Grasbrunn

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

In Grasbrunn 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 Grasbrunn.

Maximum UV Index Levels in Grasbrunn for December

The chart shows the monthly maximum UV Index (UVI) for Grasbrunn 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 Grasbrunn typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Grasbrunn 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 Grasbrunn Compares to Other Months

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

This table compares monthly weather conditions in Grasbrunn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)77 mm (3.0 inches)93%low
February Weather3°C (37°F)75 mm (2.9 inches)89%moderate
March Weather5°C (42°F)72 mm (2.8 inches)86%moderate
April Weather9°C (49°F)56 mm (2.2 inches)83%high
May Weather13°C (56°F)140 mm (5.5 inches)78%very high
June Weather18°C (65°F)129 mm (5.1 inches)79%very high
July Weather19°C (66°F)140 mm (5.5 inches)82%very high
August Weather19°C (66°F)146 mm (5.8 inches)80%very high
September Weather14°C (58°F)99 mm (3.9 inches)83%high
October Weather10°C (51°F)88 mm (3.5 inches)90%moderate
November Weather5°C (40°F)57 mm (2.3 inches)89%low
December Weather2°C (36°F)96 mm (3.8 inches)90%low

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