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May Weather in St. Sebastian, Austria

Last updated: August 22, 2025

In St. Sebastian, Austria, the average temperature in May hovers around 10°C (51°F). Expect a wide range, with minimums dipping to -6°C (21°F) and maximums reaching 25°C (78°F). During this time, precipitation is notable, totaling 177 mm (7.0 in) over 22 days, while the humidity averages a comfortable 71%. Embrace the diverse weather as you explore!

May Temperature in St. Sebastian

In May in St. Sebastian, the average temperature is 10°C (51°F). The maximum can reach 25°C (78°F), while the minimum can drop as low as -6°C (21°F). Be sure to pack layers if you're traveling, as the weather can vary significantly throughout the day.

May Weather in St. Sebastian: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in St. Sebastian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Sebastian, May typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (78°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec273135435061616254463729
Data source: Temperature data for St. Sebastian 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 St. Sebastian

In St. Sebastian, in May, the precipitation amount is 177 mm (7.0 in) over the course of 22 days.

May Precipitation Trends in St. Sebastian

The chart displays monthly precipitation patterns in St. Sebastian, 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 St. Sebastian, May typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec9268768217714016817813110073118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in St. Sebastian

In St. Sebastian 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 St. Sebastian

This chart illustrates the average monthly humidity levels in St. Sebastian, 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 St. Sebastian 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 St. Sebastian

In St. Sebastian 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 St. Sebastian.

Maximum UV Index Levels in St. Sebastian for May

The chart shows the monthly maximum UV Index (UVI) for St. Sebastian 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 St. Sebastian typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236689987432
Data source: St. Sebastian 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 St. Sebastian Compares to Other Months

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

This table compares monthly weather conditions in St. Sebastian, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)92 mm (3.6 inches)90%low
February Weather-1°C (31°F)68 mm (2.7 inches)84%moderate
March Weather2°C (35°F)76 mm (3.0 inches)78%high
April Weather6°C (43°F)82 mm (3.2 inches)73%high
May Weather10°C (51°F)177 mm (7.0 inches)71%very high
June Weather16°C (61°F)140 mm (5.5 inches)73%very high
July Weather16°C (62°F)168 mm (6.6 inches)70%very high
August Weather17°C (62°F)178 mm (7.0 inches)60%very high
September Weather12°C (54°F)131 mm (5.2 inches)65%high
October Weather8°C (46°F)100 mm (3.9 inches)84%moderate
November Weather3°C (37°F)73 mm (2.9 inches)89%moderate
December Weather-1°C (30°F)118 mm (4.6 inches)89%low

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