December Weather in Tweng, Austria

Last updated: August 22, 2025

In December, the average temperature in Tweng, Austria hovers around -5°C (23°F). During this time, temperatures can dip as low as -20°C (-4°F) or climb to a maximum of 5°C (42°F). Expect a significant amount of precipitation, averaging 142 mm (5.6 in) over 18 days, contributing to a high average humidity of 89%.

December Temperature in Tweng

In December in Tweng, the average temperature is -5°C (23°F). Maximums can reach 5°C (42°F) and minimums can be as low as -20°C (-4°F). Travelers should be prepared for chilly conditions and dress warmly to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Tweng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tweng, December typically has an average temperature of -5°C (23°F), with highs reaching up to 5°C (42°F) and lows dropping to around -20°C (-4°F).

Data source: Temperature data for Tweng generated using information from the Copernicus Climate Change Service.

December Precipitation in Tweng

In Tweng in December, the precipitation amount is 142 mm (5.6 in) spread over 18 days.

December Precipitation Trends in Tweng

The chart displays monthly precipitation patterns in Tweng, 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 Tweng, December typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Tweng

In Tweng in December, humidity is 89%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and prompting frequent breaks to warm up indoors.

December Average Humidity in Tweng

This chart illustrates the average monthly humidity levels in Tweng, 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 Tweng is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tweng

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

Maximum UV Index Levels in Tweng for December

The chart shows the monthly maximum UV Index (UVI) for Tweng 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 Tweng typically reaches 2, which falls under the low exposure category.

Data source: Tweng 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 Tweng Compares to Other Months

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

This table compares monthly weather conditions in Tweng, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (21°F)	95 mm (3.7 inches)	91%	low
February Weather	-4°C (25°F)	87 mm (3.4 inches)	87%	moderate
March Weather	-1°C (30°F)	97 mm (3.8 inches)	82%	high
April Weather	3°C (37°F)	87 mm (3.4 inches)	79%	very high
May Weather	7°C (44°F)	171 mm (6.7 inches)	74%	very high
June Weather	13°C (55°F)	134 mm (5.3 inches)	75%	very high
July Weather	13°C (56°F)	158 mm (6.2 inches)	74%	very high
August Weather	13°C (56°F)	199 mm (7.9 inches)	68%	very high
September Weather	9°C (49°F)	140 mm (5.5 inches)	74%	high
October Weather	5°C (41°F)	119 mm (4.7 inches)	88%	moderate
November Weather	0°C (32°F)	112 mm (4.4 inches)	90%	moderate
December Weather	-5°C (23°F)	142 mm (5.6 inches)	89%	low