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December Weather in Sonntag, Austria

Last updated: August 22, 2025

In Sonntag, Austria, the average temperature in December hovers around -4°C (25°F). During this month, temperatures can dip as low as -23°C (-10°F) or rise to a maximum of 9°C (48°F). Expect about 176 mm (6.9 in) of precipitation, typically over 18 days, coupled with an average humidity of a chilly 90%.

December Temperature in Sonntag

In December in Sonntag, the average temperature is -4°C (25°F). The maximum can reach 9°C (48°F) and the minimum can be as low as -23°C (-10°F). Travelers should prepare for cold weather with warm clothing and be ready for temperature fluctuations during their visit.

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

The chart illustrates December temperature patterns in Sonntag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonntag, December typically has an average temperature of -4°C (25°F), with highs reaching up to 9°C (48°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec232832394555575750433325
Data source: Temperature data for Sonntag 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 Sonntag

In Sonntag in December, the total precipitation amount is 176 mm (6.9 in) spread over 18 days.

December Precipitation Trends in Sonntag

The chart displays monthly precipitation patterns in Sonntag, 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 Sonntag, December typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1451051379621119419420715614090176
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sonntag

In Sonntag in December humidity is 90%. With an average temperature of -4°C (25°F), this humidity feels like a dense, icy blanket wrapping around you, making travel feel particularly stifling in the cold despite the sub-zero temperatures.

December Average Humidity in Sonntag

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

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

Maximum UV Index Levels in Sonntag for December

The chart shows the monthly maximum UV Index (UVI) for Sonntag 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 Sonntag typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Sonntag 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 Sonntag Compares to Other Months

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

This table compares monthly weather conditions in Sonntag, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)145 mm (5.7 inches)92%low
February Weather-2°C (28°F)105 mm (4.1 inches)89%moderate
March Weather0°C (32°F)136 mm (5.4 inches)87%high
April Weather4°C (39°F)96 mm (3.8 inches)84%very high
May Weather7°C (46°F)211 mm (8.3 inches)80%very high
June Weather13°C (56°F)194 mm (7.7 inches)82%very high
July Weather14°C (57°F)194 mm (7.6 inches)83%very high
August Weather14°C (57°F)207 mm (8.1 inches)80%very high
September Weather10°C (50°F)156 mm (6.1 inches)83%high
October Weather6°C (43°F)140 mm (5.5 inches)90%moderate
November Weather1°C (33°F)90 mm (3.6 inches)88%moderate
December Weather-4°C (25°F)176 mm (6.9 inches)90%low

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