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December Weather in Pettnau, Austria

Last updated: August 22, 2025

In Pettnau, Austria, the average temperature in December hovers around -5°C (23°F), with extremes ranging from a frigid -25°C (-12°F) to a surprisingly warm 7°C (45°F). Expect 135 mm (5.3 in) of precipitation spread across 18 days, contributing to an average humidity of 90%. Bundle up and be prepared for wet conditions!

December Temperature in Pettnau

In December in Pettnau, the average temperature is -5°C (23°F), with maximums reaching 7°C (45°F) and minimums dipping as low as -25°C (-12°F). Travelers should be prepared for very cold conditions, making it essential to pack appropriate winter gear.

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

The chart illustrates December temperature patterns in Pettnau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pettnau, 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 -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec212630374454555548413223
Data source: Temperature data for Pettnau 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 Pettnau

In Pettnau in December, the total precipitation amount is 135 mm (5.3 in) spread over 18 days.

December Precipitation Trends in Pettnau

The chart displays monthly precipitation patterns in Pettnau, 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 Pettnau, December typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1038110397206205218251174136103135
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pettnau

In Pettnau 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 Pettnau

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

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

Maximum UV Index Levels in Pettnau for December

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

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

This table compares monthly weather conditions in Pettnau, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)103 mm (4.0 inches)93%low
February Weather-3°C (26°F)81 mm (3.2 inches)89%moderate
March Weather-1°C (30°F)103 mm (4.0 inches)86%high
April Weather3°C (37°F)97 mm (3.8 inches)83%high
May Weather7°C (44°F)206 mm (8.1 inches)78%very high
June Weather12°C (54°F)205 mm (8.1 inches)79%very high
July Weather13°C (55°F)218 mm (8.6 inches)82%very high
August Weather13°C (55°F)251 mm (9.9 inches)80%very high
September Weather9°C (48°F)174 mm (6.8 inches)83%high
October Weather5°C (41°F)136 mm (5.4 inches)90%moderate
November Weather0°C (32°F)103 mm (4.1 inches)89%moderate
December Weather-5°C (23°F)135 mm (5.3 inches)90%low

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