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May Weather in Sommer, Austria

Last updated: August 22, 2025

The average temperature in Sommer, Austria during May hovers around 10°C (51°F). Expect minimums of -2°C (29°F) and maximums reaching 25°C (76°F). With 144 mm (5.7 in) of precipitation spread over 21 days, be prepared for some wet weather. Humidity levels are typically around 71%, so don’t forget to pack an umbrella and some breathable clothing!

May Temperature in Sommer

In May in Sommer, the average temperature is 10°C (51°F). Maximum temperatures can reach 25°C (76°F), while minimums can drop as low as -2°C (29°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates May temperature patterns in Sommer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sommer, May typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (76°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec263135435161626254463729
Data source: Temperature data for Sommer 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 Sommer

In Sommer in May, the precipitation amount is 144 mm (5.7 in) over a span of 21 days.

May Precipitation Trends in Sommer

The chart displays monthly precipitation patterns in Sommer, 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 Sommer, May typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec52485472144125141168119747077
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sommer

In Sommer in May, humidity is 71%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less inviting and requiring extra layers to stay comfortable while exploring.

May Average Humidity in Sommer

This chart illustrates the average monthly humidity levels in Sommer, 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 Sommer is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sommer

In Sommer in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sommer.

Maximum UV Index Levels in Sommer for May

The chart shows the monthly maximum UV Index (UVI) for Sommer 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 Sommer typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Sommer 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 Sommer Compares to Other Months

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

This table compares monthly weather conditions in Sommer, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)52 mm (2.0 inches)90%low
February Weather-1°C (31°F)48 mm (1.9 inches)84%moderate
March Weather2°C (36°F)54 mm (2.1 inches)78%moderate
April Weather6°C (44°F)72 mm (2.8 inches)73%high
May Weather10°C (51°F)144 mm (5.7 inches)71%very high
June Weather16°C (61°F)125 mm (4.9 inches)73%very high
July Weather17°C (62°F)141 mm (5.6 inches)70%very high
August Weather17°C (62°F)168 mm (6.6 inches)60%very high
September Weather12°C (54°F)119 mm (4.7 inches)65%high
October Weather8°C (46°F)74 mm (2.9 inches)84%moderate
November Weather3°C (37°F)69 mm (2.7 inches)89%moderate
December Weather-2°C (29°F)77 mm (3.0 inches)89%low

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