May Weather in Vienna, United States

Last updated: June 24, 2025

In May, the average temperature in Vienna, United States hovers around 18°C (65°F), with minimums dipping to 0°C (32°F) and maximums soaring up to 32°C (90°F). Expect an average precipitation of 153 mm (6.0 in) spread over 17 days, contributing to a notable average humidity of 82%. Prepare for a month where the weather can shift dramatically!

May Temperature in Vienna

In May in Vienna, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), and minimums can be as low as 0°C (32°F). This makes Vienna an ideal destination for travelers seeking a blend of warm days and cooler nights.

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 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Vienna

In Vienna in May, the precipitation amount is 153 mm (6.0 in) spread over 17 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 153 mm (6.0 inches) of precipitation spread over approximately 17 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Vienna

In Vienna in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and 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 82%, offering insight into how humid the weather typically is during this month.

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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	94 mm (3.7 inches)	88%	moderate
February Weather	4°C (39°F)	125 mm (4.9 inches)	88%	moderate
March Weather	7°C (46°F)	115 mm (4.5 inches)	88%	high
April Weather	12°C (55°F)	147 mm (5.8 inches)	86%	very high
May Weather	18°C (65°F)	153 mm (6.0 inches)	82%	very high
June Weather	22°C (72°F)	163 mm (6.4 inches)	84%	very high
July Weather	25°C (77°F)	119 mm (4.7 inches)	82%	very high
August Weather	24°C (75°F)	121 mm (4.8 inches)	73%	very high
September Weather	21°C (70°F)	106 mm (4.2 inches)	73%	very high
October Weather	15°C (60°F)	120 mm (4.7 inches)	81%	high
November Weather	7°C (45°F)	82 mm (3.2 inches)	89%	moderate
December Weather	4°C (39°F)	118 mm (4.6 inches)	86%	moderate