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December Weather in Jachenau, Germany

Last updated: August 23, 2025

In Jachenau, Germany, the average temperature in December hovers around -2°C (29°F). While it's chilly, temperatures can dip as low as -19°C (-3°F) or rise to a maximum of 11°C (51°F). Expect 141 mm (5.5 in) of precipitation over 18 days, resulting in an average humidity of a moist 90%. Dress warmly and prepare for wet weather!

December Temperature in Jachenau

In December in Jachenau, the average temperature is -2°C (29°F). The maximum can reach 11°C (51°F), while the minimum can drop as low as -19°C (-3°F). It's essential to pack warm clothing and be prepared for significant temperature fluctuations if you're planning to travel during this month.

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

The chart illustrates December temperature patterns in Jachenau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jachenau, December typically has an average temperature of -2°C (29°F), with highs reaching up to 11°C (51°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec253035434958595952463628
Data source: Temperature data for Jachenau 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 Jachenau

In Jachenau in December, the total precipitation amount is 141 mm (5.5 in) over the course of 18 days.

December Precipitation Trends in Jachenau

The chart displays monthly precipitation patterns in Jachenau, 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 Jachenau, December typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1149510810222420722722216513388141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jachenau

In Jachenau in December, humidity is 90%. With an average temperature of -2°C (29°F), this humidity feels like an icy breath enveloping you, making every step outdoors feel even colder and more biting, while also creating a heavy, wet atmosphere that can dampen your spirits for traveling.

December Average Humidity in Jachenau

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

In Jachenau 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 Jachenau, you can visit Hourly UV Index in Jachenau.

Maximum UV Index Levels in Jachenau for December

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

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

This table compares monthly weather conditions in Jachenau, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)114 mm (4.5 inches)93%low
February Weather-1°C (30°F)95 mm (3.7 inches)89%moderate
March Weather1°C (35°F)108 mm (4.2 inches)86%moderate
April Weather6°C (43°F)102 mm (4.0 inches)83%high
May Weather9°C (49°F)224 mm (8.8 inches)78%very high
June Weather15°C (59°F)207 mm (8.1 inches)79%very high
July Weather15°C (60°F)226 mm (8.9 inches)82%very high
August Weather15°C (60°F)222 mm (8.8 inches)80%very high
September Weather11°C (53°F)165 mm (6.5 inches)83%high
October Weather8°C (46°F)133 mm (5.2 inches)90%moderate
November Weather2°C (36°F)88 mm (3.5 inches)89%moderate
December Weather-2°C (29°F)141 mm (5.5 inches)90%low

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