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May Weather in Sankt Johann, Germany

Last updated: August 23, 2025

In Sankt Johann, Germany, the average temperature in May typically hovers around 13°C (55°F). However, be prepared for a range of temperatures, with minimums dipping to -2°C (29°F) and highs reaching up to 30°C (86°F). This month also sees an average precipitation of 100 mm (3.9 in) spread across about 15 days, accompanied by a notable average humidity of 79%.

May Temperature in Sankt Johann

In May, in Sankt Johann, the average temperature is 13°C (55°F). Maximums can reach 30°C (86°F), while minimums can dip as low as -2°C (29°F). This variability makes it advisable to pack layers for your trip.

May Weather in Sankt Johann: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sankt Johann, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sankt Johann, May typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec333741485564666558504036
Data source: Temperature data for Sankt Johann 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 Sankt Johann

In Sankt Johann in May, the precipitation amount is 100 mm (3.9 in) over a span of 15 days.

May Precipitation Trends in Sankt Johann

The chart displays monthly precipitation patterns in Sankt Johann, 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 Sankt Johann, May typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec77687449100113758654695197
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sankt Johann

In Sankt Johann in May humidity is 79%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that permeates clothing, making outdoor activities slightly uncomfortable and prompting travelers to seek shelter or dress in layers to stay warm while adjusting to the moist air.

May Average Humidity in Sankt Johann

This chart illustrates the average monthly humidity levels in Sankt Johann, 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 Sankt Johann is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sankt Johann

In Sankt Johann 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 Sankt Johann.

Maximum UV Index Levels in Sankt Johann for May

The chart shows the monthly maximum UV Index (UVI) for Sankt Johann 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 Sankt Johann typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Sankt Johann 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 Sankt Johann Compares to Other Months

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

This table compares monthly weather conditions in Sankt Johann, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)77 mm (3.0 inches)91%low
February Weather3°C (37°F)68 mm (2.7 inches)89%moderate
March Weather5°C (41°F)74 mm (2.9 inches)87%moderate
April Weather9°C (48°F)49 mm (1.9 inches)83%high
May Weather13°C (55°F)100 mm (3.9 inches)79%very high
June Weather18°C (64°F)113 mm (4.5 inches)82%very high
July Weather19°C (66°F)75 mm (3.0 inches)83%very high
August Weather19°C (66°F)86 mm (3.4 inches)84%very high
September Weather14°C (58°F)54 mm (2.1 inches)85%high
October Weather10°C (50°F)69 mm (2.7 inches)88%moderate
November Weather4°C (40°F)51 mm (2.0 inches)89%low
December Weather2°C (36°F)97 mm (3.8 inches)91%low

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