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December Weather in Hartenstein, Germany

Last updated: August 23, 2025

In December, the average temperature in Hartenstein, Germany hovers around 2°C (35°F). While the mercury can dip as low as -8°C (18°F), it may rise to a comfortable 12°C (55°F). Expect considerable precipitation, with an average of 108 mm (4.2 in) distributed over 17 days, and enjoy the chill in the air with an average humidity of 91%.

December Temperature in Hartenstein

In December in Hartenstein, the average temperature is 2°C (35°F). Maximum temperatures can reach 12°C (55°F), while the minimum can dip as low as -8°C (18°F). It's advisable to pack warm clothing to stay comfortable during your visit.

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

The chart illustrates December temperature patterns in Hartenstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartenstein, December typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (55°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec323640485565666658504035
Data source: Temperature data for Hartenstein 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 Hartenstein

In Hartenstein in December, the total precipitation amount is 108 mm (4.2 in) recorded over the course of 17 days.

December Precipitation Trends in Hartenstein

The chart displays monthly precipitation patterns in Hartenstein, 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 Hartenstein, December typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7567764194887988596652108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hartenstein

In Hartenstein in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

December Average Humidity in Hartenstein

This chart illustrates the average monthly humidity levels in Hartenstein, 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 Hartenstein is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%84%77%82%83%84%85%88%88%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hartenstein

In Hartenstein 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 Hartenstein.

Maximum UV Index Levels in Hartenstein for December

The chart shows the monthly maximum UV Index (UVI) for Hartenstein 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 Hartenstein typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Hartenstein 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 Hartenstein Compares to Other Months

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

This table compares monthly weather conditions in Hartenstein, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)75 mm (2.9 inches)91%low
February Weather2°C (36°F)66 mm (2.6 inches)89%moderate
March Weather5°C (41°F)76 mm (3.0 inches)88%moderate
April Weather9°C (48°F)41 mm (1.6 inches)84%high
May Weather13°C (55°F)94 mm (3.7 inches)77%very high
June Weather18°C (65°F)88 mm (3.5 inches)82%very high
July Weather19°C (66°F)79 mm (3.1 inches)83%very high
August Weather19°C (66°F)88 mm (3.5 inches)84%high
September Weather14°C (58°F)59 mm (2.3 inches)85%high
October Weather10°C (50°F)66 mm (2.6 inches)88%moderate
November Weather4°C (40°F)52 mm (2.0 inches)88%low
December Weather2°C (35°F)108 mm (4.2 inches)91%low

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