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May Weather in Vienna, United States

Last updated: June 24, 2025

In Vienna, United States, the average temperature in May hovers around 24°C (76°F). During this time, you can expect minimum temperatures to drop to 9°C (49°F), while maximum highs can reach a sweltering 37°C (98°F). The region also experiences 83 mm (3.3 in) of precipitation spread over 9 days, contributing to an average humidity of 73%. Prepare accordingly!

May Temperature in Vienna

In May in Vienna, the average temperature is 24°C (76°F). Maximums can reach up to 37°C (98°F), while minimums can dip as low as 9°C (49°F). Be sure to pack for varying weather conditions while enjoying your travels!

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 24°C (76°F), with highs reaching up to 37°C (98°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec515761677580838280715853
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 precipitation amount is 83 mm (3.3 in) over the course of 9 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 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7911687110838710810310710158120
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 73%. With an average temperature of 24°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as the air thickens around you, prompting you to seek shade and stay hydrated.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
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 Weather11°C (51°F)79 mm (3.1 inches)85%moderate
February Weather14°C (57°F)116 mm (4.5 inches)82%high
March Weather16°C (62°F)87 mm (3.4 inches)80%very high
April Weather19°C (67°F)110 mm (4.3 inches)76%very high
May Weather24°C (76°F)83 mm (3.3 inches)73%extreme
June Weather27°C (81°F)87 mm (3.4 inches)74%extreme
July Weather28°C (83°F)108 mm (4.2 inches)80%extreme
August Weather28°C (83°F)103 mm (4.1 inches)79%extreme
September Weather26°C (80°F)107 mm (4.2 inches)83%very high
October Weather22°C (72°F)101 mm (4.0 inches)77%very high
November Weather14°C (58°F)58 mm (2.3 inches)84%high
December Weather12°C (53°F)120 mm (4.7 inches)88%moderate

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