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December Weather in Sontheim, Germany

Last updated: August 23, 2025

In Sontheim, Germany, the average temperature in December hovers around 2°C (36°F). Expect chilly days with minimums dipping to -8°C (17°F) and maximums reaching up to 13°C (56°F). With an average precipitation of 102 mm (4.0 in) spread over 17 days, it’s wise to prepare for some rain. Additionally, the average humidity is a notable 90%, adding to the cool atmosphere of the month.

December Temperature in Sontheim

In December in Sontheim, the average temperature is 2°C (36°F), with a maximum that can reach 13°C (56°F) and a minimum that can drop to as low as -8°C (17°F). Travelers should be prepared for chilly conditions, with the possibility of both mild and very cold days.

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

The chart illustrates December temperature patterns in Sontheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sontheim, December typically has an average temperature of 2°C (36°F), with highs reaching up to 13°C (56°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec333741485463646557493936
Data source: Temperature data for Sontheim 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 Sontheim

In Sontheim in December, the precipitation amount is 102 mm (4.0 in) spread over 17 days.

December Precipitation Trends in Sontheim

The chart displays monthly precipitation patterns in Sontheim, 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 Sontheim, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec87748058136133120130868855102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sontheim

In Sontheim 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 Sontheim

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

In Sontheim 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 Sontheim.

Maximum UV Index Levels in Sontheim for December

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

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

This table compares monthly weather conditions in Sontheim, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)87 mm (3.4 inches)93%low
February Weather3°C (37°F)74 mm (2.9 inches)89%moderate
March Weather5°C (41°F)80 mm (3.2 inches)86%moderate
April Weather9°C (48°F)58 mm (2.3 inches)83%high
May Weather12°C (54°F)136 mm (5.3 inches)78%very high
June Weather17°C (63°F)133 mm (5.2 inches)79%very high
July Weather18°C (65°F)120 mm (4.7 inches)82%very high
August Weather18°C (65°F)130 mm (5.1 inches)80%very high
September Weather14°C (57°F)86 mm (3.4 inches)83%high
October Weather10°C (50°F)88 mm (3.5 inches)90%moderate
November Weather4°C (40°F)55 mm (2.1 inches)89%low
December Weather2°C (36°F)102 mm (4.0 inches)90%low

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