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December Weather in Heiligenbrunn, Austria

Last updated: August 22, 2025

In December, the average temperature in Heiligenbrunn, Austria hovers around 2°C (36°F), with a minimum dipping to -7°C (20°F) and a maximum reaching 16°C (61°F). Expect 59 mm (2.3 in) of precipitation over roughly 10 days, contributing to an average humidity of 89%. Stay prepared for a chilly and wet month!

December Temperature in Heiligenbrunn

In December in Heiligenbrunn, the average temperature is 2°C (36°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -7°C (20°F). Be prepared for a mix of chilly and mild weather if you plan to visit during this month.

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

The chart illustrates December temperature patterns in Heiligenbrunn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heiligenbrunn, December typically has an average temperature of 2°C (36°F), with highs reaching up to 16°C (61°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843526070717162534336
Data source: Temperature data for Heiligenbrunn 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 Heiligenbrunn

In Heiligenbrunn in December, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

December Precipitation Trends in Heiligenbrunn

The chart displays monthly precipitation patterns in Heiligenbrunn, 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 Heiligenbrunn, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2840364510683859090536659
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Heiligenbrunn

In Heiligenbrunn in December, humidity is 89%. With an average temperature of 2°C (36°F), this humidity feels like an uncomfortable chill that clings to your skin, making outdoor activities feel even colder and less inviting for traveling.

December Average Humidity in Heiligenbrunn

This chart illustrates the average monthly humidity levels in Heiligenbrunn, 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 Heiligenbrunn is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Heiligenbrunn

In Heiligenbrunn 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 Heiligenbrunn.

Maximum UV Index Levels in Heiligenbrunn for December

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

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

This table compares monthly weather conditions in Heiligenbrunn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)28 mm (1.1 inches)90%low
February Weather3°C (38°F)40 mm (1.6 inches)84%moderate
March Weather6°C (44°F)36 mm (1.4 inches)78%moderate
April Weather11°C (52°F)45 mm (1.8 inches)73%high
May Weather15°C (60°F)106 mm (4.2 inches)71%very high
June Weather21°C (70°F)83 mm (3.3 inches)73%very high
July Weather22°C (71°F)85 mm (3.4 inches)70%very high
August Weather22°C (72°F)90 mm (3.5 inches)60%very high
September Weather17°C (62°F)90 mm (3.6 inches)65%high
October Weather12°C (53°F)53 mm (2.1 inches)84%moderate
November Weather6°C (44°F)65 mm (2.6 inches)89%low
December Weather2°C (36°F)59 mm (2.3 inches)89%low

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