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December Weather in Graen, Austria

Last updated: August 22, 2025

In December, the average temperature in Graen, Austria hovers around -2°C (28°F), with extremes ranging from a brisk -19°C (-2°F) to a mild 9°C (49°F). Expect a wet month as 148 mm (5.8 in) of precipitation typically falls over 19 days, contributing to an average humidity of 90%. Bundle up and stay dry!

December Temperature in Graen

In December in Graen, the average temperature is -2°C (28°F), with maximums reaching up to 9°C (49°F) and minimums dropping as low as -19°C (-2°F). It's essential to bundle up if you're planning to travel during this time to fully enjoy your stay.

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

The chart illustrates December temperature patterns in Graen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Graen, December typically has an average temperature of -2°C (28°F), with highs reaching up to 9°C (49°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec253034414757585851443528
Data source: Temperature data for Graen 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 Graen

In Graen in December, the precipitation amount is 148 mm (5.8 in) over the course of 19 days.

December Precipitation Trends in Graen

The chart displays monthly precipitation patterns in Graen, 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 Graen, December typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec13010112010020218822121915712584148
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Graen

In Graen in December humidity is 90%. With an average temperature of -2°C (28°F), this humidity feels like stepping into a frosty haze that clings to your skin, making every breath feel chilled and heavy, while your body battles the dampness in the air—a stark reminder of how difficult it can be to travel comfortably in such conditions.

December Average Humidity in Graen

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

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

Maximum UV Index Levels in Graen for December

The chart shows the monthly maximum UV Index (UVI) for Graen 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 Graen typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986432
Data source: Graen 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 Graen Compares to Other Months

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

This table compares monthly weather conditions in Graen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)130 mm (5.1 inches)93%low
February Weather-1°C (30°F)101 mm (4.0 inches)89%moderate
March Weather1°C (34°F)120 mm (4.7 inches)86%moderate
April Weather5°C (41°F)100 mm (3.9 inches)83%high
May Weather9°C (48°F)202 mm (8.0 inches)78%very high
June Weather14°C (57°F)188 mm (7.4 inches)79%very high
July Weather15°C (59°F)221 mm (8.7 inches)82%very high
August Weather15°C (59°F)219 mm (8.6 inches)80%very high
September Weather11°C (51°F)157 mm (6.2 inches)83%high
October Weather7°C (45°F)125 mm (4.9 inches)90%moderate
November Weather2°C (35°F)84 mm (3.3 inches)89%moderate
December Weather-2°C (28°F)148 mm (5.8 inches)90%low

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