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January Weather in Vienna, United States

Last updated: June 24, 2025

In January, the average temperature in Vienna, United States hovers around -6°C (21°F). However, temperatures can swing dramatically, with minimums plunging to -29°C (-20°F) and maximums reaching a mild 12°C (54°F). Throughout the month, precipitation averages 83 mm (3.2 in) over approximately 8 days, contributing to the region's high average humidity of 91%.

January Temperature in Vienna

In January in Vienna, the average temperature is -6°C (21°F). The maximum can reach 12°C (54°F), while the minimum can drop to as low as -29°C (-20°F). Be prepared for extreme weather fluctuations if you're planning to travel during this time.

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 -6°C (21°F), with highs reaching up to 12°C (54°F) and lows dropping to around -29°C (-20°F).
JanFebMarAprMayJunJulAugSepOctNovDec212330435565706962503625
Data source: Temperature data for Vienna 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.

January Precipitation in Vienna

In Vienna in January, the precipitation amount is 83 mm (3.2 in) over a span 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 83 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec83847312183741218370127110113
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Vienna

In Vienna in January humidity is 91%. With an average temperature of -6°C (21°F), this humidity feels like wandering through a cold, damp fog that clings to your skin, making it challenging to stay warm and comfortable while exploring the surroundings.

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 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
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 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 Vienna, you can visit Hourly UV Index in Vienna.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
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.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)83 mm (3.2 inches)91%low
February Weather-5°C (23°F)84 mm (3.3 inches)89%moderate
March Weather-1°C (31°F)72 mm (2.9 inches)85%moderate
April Weather6°C (43°F)121 mm (4.8 inches)84%very high
May Weather13°C (55°F)83 mm (3.3 inches)78%very high
June Weather18°C (65°F)74 mm (2.9 inches)72%very high
July Weather21°C (70°F)121 mm (4.7 inches)75%very high
August Weather21°C (69°F)82 mm (3.2 inches)74%very high
September Weather17°C (62°F)70 mm (2.7 inches)77%high
October Weather10°C (50°F)127 mm (5.0 inches)85%moderate
November Weather2°C (36°F)110 mm (4.3 inches)86%moderate
December Weather-4°C (26°F)113 mm (4.4 inches)85%low

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