May Weather in Vienna, United States

Last updated: June 24, 2025

The average temperature in Vienna, United States during May hovers around 13°C (55°F). Expect a range with minimums dipping to 1°C (34°F) and maximums soaring up to 32°C (89°F). Be prepared for some rain, as the area experiences an average precipitation of 83 mm (3.3 in) over 10 days. Don't forget to account for the average humidity level of 78%, which can make the air feel quite different!

May Temperature in Vienna

In May in Vienna, the average temperature is 13°C (55°F). Maximum can reach 32°C (89°F) and minimum can be as low as 1°C (34°F). This variability makes Vienna a destination where travelers should prepare for both warm and cool weather conditions.

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

The chart illustrates May 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, May typically has an average temperature of 13°C (55°F), with highs reaching up to 32°C (89°F) and lows dropping to around 1°C (34°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.

May Precipitation in Vienna

In Vienna in May, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

May Precipitation Trends in Vienna

The chart displays monthly precipitation patterns in Vienna, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Vienna, May typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec83847312183741218370127110113
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Vienna

In Vienna in May, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

May Average Humidity in Vienna

This chart illustrates the average monthly humidity levels in Vienna, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Vienna is approximately 78%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Vienna

In Vienna in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Vienna.

Maximum UV Index Levels in Vienna for May

The chart shows the monthly maximum UV Index (UVI) for Vienna in May, 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 May, the maximum UV index in Vienna typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Vienna May 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 May 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 May’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 May’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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