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December Weather in Rum, Austria

Last updated: August 22, 2025

In December, the average temperature in Rum, Austria hovers around -5°C (24°F), with potential extremes ranging from a chilling -23°C (-10°F) to a milder 8°C (46°F). Expect 140 mm (5.5 in) of precipitation over 17 days, contributing to a notably high average humidity of 90%. Prepare for a month that's not just cold, but also quite damp!

December Temperature in Rum

In December in Rum, the average temperature is -5°C (24°F). The maximum can reach 8°C (46°F) and the minimum can be as low as -23°C (-10°F). Travelers should be prepared for very cold conditions and dress warmly to enjoy their visit.

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

The chart illustrates December temperature patterns in Rum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rum, December typically has an average temperature of -5°C (24°F), with highs reaching up to 8°C (46°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec212630384454555649413224
Data source: Temperature data for Rum 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 Rum

In Rum in December, the precipitation amount is 140 mm (5.5 in) spread over 17 days.

December Precipitation Trends in Rum

The chart displays monthly precipitation patterns in Rum, 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 Rum, December typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1038210494202191205233164134104140
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rum

In Rum in December, humidity is 90%. With an average temperature of -5°C (24°F), this humidity feels like an icy mist wrapping around you, making every breath feel heavy and damp, while the cold sharpens the chill in the air, turning your travel experience into a battle against the harsh elements.

December Average Humidity in Rum

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

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

Maximum UV Index Levels in Rum for December

The chart shows the monthly maximum UV Index (UVI) for Rum 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 Rum typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24779101097532
Data source: Rum 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 Rum Compares to Other Months

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

This table compares monthly weather conditions in Rum, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)103 mm (4.1 inches)93%low
February Weather-3°C (27°F)82 mm (3.2 inches)89%moderate
March Weather-1°C (31°F)104 mm (4.1 inches)86%high
April Weather3°C (38°F)94 mm (3.7 inches)83%high
May Weather7°C (45°F)202 mm (8.0 inches)78%very high
June Weather12°C (54°F)190 mm (7.5 inches)79%very high
July Weather13°C (56°F)205 mm (8.1 inches)82%very high
August Weather13°C (56°F)233 mm (9.2 inches)80%very high
September Weather9°C (49°F)164 mm (6.5 inches)83%high
October Weather5°C (42°F)134 mm (5.3 inches)90%moderate
November Weather0°C (33°F)104 mm (4.1 inches)89%moderate
December Weather-5°C (24°F)140 mm (5.5 inches)90%low

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