January Weather in Vienna, United States

Last updated: June 24, 2025

In January, the average temperature in Vienna, United States hovers around 2°C (36°F). Expect to experience a chilly minimum of -18°C (0°F), while temperatures can occasionally soar to a delightful 21°C (71°F). During this time, you'll encounter about 102 mm (4.0 in) of precipitation spread over 8 days, contributing to an average humidity of 86%.

January Temperature in Vienna

In January in Vienna, the average temperature is 2°C (36°F). Maximums can reach 21°C (71°F), while minimums can drop as low as -18°C (0°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

January Weather in Vienna: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Vienna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vienna, January typically has an average temperature of 2°C (36°F), with highs reaching up to 21°C (71°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Vienna

In Vienna in January, the precipitation amount is 102 mm (4.0 in) over the course of 8 days.

January Precipitation Trends in Vienna

The chart displays monthly precipitation patterns in Vienna, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Vienna, January typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Vienna

In Vienna in January, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

January Average Humidity in Vienna

This chart illustrates the average monthly humidity levels in Vienna, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Vienna is approximately 86%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Vienna

In Vienna in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Vienna, you can check the information here.

Maximum UV Index Levels in Vienna for January

The chart shows the monthly maximum UV Index (UVI) for Vienna in January, 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 January, the maximum UV index in Vienna typically reaches 3, which falls under the moderate exposure category.

Data source: Vienna January 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 January Weather in Vienna Compares to Other Months

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

This table compares monthly weather conditions in Vienna, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	102 mm (4.0 inches)	86%	moderate
February Weather	4°C (39°F)	126 mm (5.0 inches)	84%	moderate
March Weather	10°C (49°F)	153 mm (6.0 inches)	84%	high
April Weather	14°C (57°F)	140 mm (5.5 inches)	80%	very high
May Weather	20°C (68°F)	147 mm (5.8 inches)	82%	extreme
June Weather	25°C (77°F)	108 mm (4.3 inches)	83%	extreme
July Weather	27°C (80°F)	101 mm (4.0 inches)	79%	very high
August Weather	25°C (77°F)	91 mm (3.6 inches)	76%	very high
September Weather	23°C (73°F)	72 mm (2.9 inches)	75%	very high
October Weather	16°C (61°F)	132 mm (5.2 inches)	74%	high
November Weather	8°C (46°F)	96 mm (3.8 inches)	85%	moderate
December Weather	5°C (42°F)	91 mm (3.6 inches)	88%	moderate