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December Weather in Hartl, Austria

Last updated: August 22, 2025

In December, the average temperature in Hartl, Austria hovers around 1°C (34°F), with a minimum dipping to -8°C (18°F) and a maximum reaching 13°C (56°F). Expect 52 mm (2.1 in) of precipitation over approximately 10 days, contributing to an average humidity of 89%. Prepare for cool and damp conditions if you're visiting this time of year!

December Temperature in Hartl

In December in Hartl, the average temperature is 1°C (34°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -8°C (18°F). Travelers should be prepared for cold weather and dress in layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Hartl, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartl, December typically has an average temperature of 1°C (34°F), with highs reaching up to 13°C (56°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec313641495666686859504134
Data source: Temperature data for Hartl 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 Hartl

In Hartl in December, the total precipitation amount is 52 mm (2.1 in) distributed over a span of 10 days.

December Precipitation Trends in Hartl

The chart displays monthly precipitation patterns in Hartl, 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 Hartl, December typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2635385611296115119102526552
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hartl

In Hartl in December humidity is 89%. With an average temperature of 1°C (34°F), this humidity feels like a chilling dampness that seeps into your bones, making travel uncomfortable and requiring extra layers to combat the cold and moisture.

December Average Humidity in Hartl

This chart illustrates the average monthly humidity levels in Hartl, 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 Hartl is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hartl

In Hartl in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Hartl.

Maximum UV Index Levels in Hartl for December

The chart shows the monthly maximum UV Index (UVI) for Hartl 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 Hartl typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Hartl 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 Hartl Compares to Other Months

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

This table compares monthly weather conditions in Hartl, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)26 mm (1.0 inches)90%low
February Weather2°C (36°F)35 mm (1.4 inches)84%moderate
March Weather5°C (41°F)38 mm (1.5 inches)78%moderate
April Weather10°C (49°F)56 mm (2.2 inches)73%high
May Weather14°C (57°F)112 mm (4.4 inches)71%very high
June Weather19°C (67°F)96 mm (3.8 inches)73%very high
July Weather20°C (68°F)115 mm (4.5 inches)70%very high
August Weather20°C (68°F)119 mm (4.7 inches)60%very high
September Weather15°C (59°F)102 mm (4.0 inches)65%high
October Weather10°C (51°F)52 mm (2.1 inches)84%moderate
November Weather5°C (41°F)65 mm (2.5 inches)89%moderate
December Weather1°C (34°F)52 mm (2.1 inches)89%low

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