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December Weather in Rietz, Austria

Last updated: August 22, 2025

In December, the average temperature in Rietz, Austria hovers around -5°C (23°F), with extremes reaching a chilling -26°C (-14°F) on the low end and a milder 7°C (45°F) at its peak. This month also sees 131 mm (5.1 in) of precipitation over approximately 17 days, contributing to an average humidity of a noteworthy 90%.

December Temperature in Rietz

In December in Rietz, the average temperature is -5°C (23°F). Maximum temperatures can reach 7°C (45°F), while the minimum can drop as low as -26°C (-14°F). Travelers should be prepared for cold conditions and dress warmly to enjoy their visit.

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

The chart illustrates December temperature patterns in Rietz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rietz, December typically has an average temperature of -5°C (23°F), with highs reaching up to 7°C (45°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec202530374453555548413123
Data source: Temperature data for Rietz 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 Rietz

In Rietz in December, the precipitation amount is 131 mm (5.1 in) over a period of 17 days.

December Precipitation Trends in Rietz

The chart displays monthly precipitation patterns in Rietz, 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 Rietz, December typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec10479989020019419621616112893131
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rietz

In Rietz in December, humidity is 90%. With an average temperature of -5°C (23°F), this humidity feels like walking through an icy mist, making it challenging to stay warm while traveling as your clothes cling to your skin, and every breath feels damp and heavy in the frigid air.

December Average Humidity in Rietz

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

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

Maximum UV Index Levels in Rietz for December

The chart shows the monthly maximum UV Index (UVI) for Rietz 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 Rietz typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097532
Data source: Rietz 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 Rietz Compares to Other Months

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

This table compares monthly weather conditions in Rietz, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)104 mm (4.1 inches)93%low
February Weather-4°C (26°F)79 mm (3.1 inches)89%moderate
March Weather-1°C (30°F)98 mm (3.9 inches)86%high
April Weather3°C (37°F)90 mm (3.5 inches)83%very high
May Weather7°C (44°F)200 mm (7.9 inches)78%very high
June Weather12°C (54°F)194 mm (7.6 inches)79%very high
July Weather13°C (55°F)196 mm (7.7 inches)82%very high
August Weather13°C (55°F)216 mm (8.5 inches)80%very high
September Weather9°C (48°F)161 mm (6.3 inches)83%high
October Weather5°C (41°F)128 mm (5.0 inches)90%moderate
November Weather0°C (31°F)93 mm (3.7 inches)89%moderate
December Weather-5°C (23°F)131 mm (5.1 inches)90%low

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