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December Weather in Heuweiler, Germany

Last updated: August 23, 2025

In December, the average temperature in Heuweiler, Germany hovers around 2°C (36°F), with extremes ranging from a brisk -8°C (17°F) to a mild 12°C (55°F). Expect wet conditions, with 184 mm (7.3 in) of precipitation spread over 18 days. Coupled with an average humidity of 90%, this month feels cool and damp—a true representation of the season.

December Temperature in Heuweiler

In December in Heuweiler, the average temperature is 2°C (36°F). The maximum can reach 12°C (55°F), and the minimum can be as low as -8°C (17°F). Travelers should prepare for chilly weather and pack warm clothing to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Heuweiler, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heuweiler, December typically has an average temperature of 2°C (36°F), with highs reaching up to 12°C (55°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641485463656558504036
Data source: Temperature data for Heuweiler 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 Heuweiler

In Heuweiler in December, the precipitation amount is 184 mm (7.3 in) over the course of 18 days.

December Precipitation Trends in Heuweiler

The chart displays monthly precipitation patterns in Heuweiler, 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 Heuweiler, December typically receives around 184 mm (7.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec142118132701581531091027910687184
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Heuweiler

In Heuweiler 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 Heuweiler

This chart illustrates the average monthly humidity levels in Heuweiler, 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 Heuweiler is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Heuweiler

In Heuweiler 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 Heuweiler.

Maximum UV Index Levels in Heuweiler for December

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

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

This table compares monthly weather conditions in Heuweiler, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)142 mm (5.6 inches)92%low
February Weather2°C (37°F)118 mm (4.6 inches)89%moderate
March Weather5°C (41°F)132 mm (5.2 inches)87%moderate
April Weather9°C (48°F)70 mm (2.8 inches)84%high
May Weather12°C (54°F)158 mm (6.2 inches)80%very high
June Weather17°C (64°F)153 mm (6.0 inches)82%very high
July Weather18°C (65°F)109 mm (4.3 inches)83%very high
August Weather18°C (65°F)102 mm (4.0 inches)80%very high
September Weather14°C (58°F)78 mm (3.1 inches)83%high
October Weather10°C (50°F)106 mm (4.2 inches)90%moderate
November Weather5°C (41°F)87 mm (3.4 inches)88%low
December Weather2°C (36°F)184 mm (7.3 inches)90%low

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