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May Weather in St. Peter, Germany

Last updated: August 23, 2025

In May, the average temperature in St. Peter, Germany hovers around 12°C (54°F), with temperatures ranging from a chilly -1°C (30°F) to a warm 28°C (84°F). Expect around 158 mm (6.2 in) of precipitation spread across approximately 16 days, and don't forget to prepare for a humid atmosphere with an average humidity level of 80%.

May Temperature in St. Peter

In May in St. Peter, the average temperature is 12°C (54°F). The maximum can reach 28°C (84°F), while the minimum can drop as low as -1°C (30°F). This makes St. Peter an ideal destination for travelers looking to experience a pleasant mix of warm days and cool evenings.

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

The chart illustrates May temperature patterns in St. Peter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Peter, May typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (84°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641485463656558504036
Data source: Temperature data for St. Peter 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. Peter

In St. Peter in May, the total precipitation amount is 158 mm (6.2 in) that occurs over a span of 16 days.

May Precipitation Trends in St. Peter

The chart displays monthly precipitation patterns in St. Peter, 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. Peter, May typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec142118132701581531091027910687184
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in St. Peter

In St. Peter in May, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.

May Average Humidity in St. Peter

This chart illustrates the average monthly humidity levels in St. Peter, 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. Peter is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in St. Peter

In St. Peter 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. Peter.

Maximum UV Index Levels in St. Peter for May

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

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

This table compares monthly weather conditions in St. Peter, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)142 mm (5.6 inches)92%low
February Weather2°C (37°F)118 mm (4.6 inches)89%moderate
March Weather5°C (41°F)132 mm (5.2 inches)87%moderate
April Weather9°C (48°F)70 mm (2.8 inches)84%high
May Weather12°C (54°F)158 mm (6.2 inches)80%very high
June Weather17°C (64°F)153 mm (6.0 inches)82%very high
July Weather18°C (65°F)109 mm (4.3 inches)83%very high
August Weather18°C (65°F)102 mm (4.0 inches)80%very high
September Weather14°C (58°F)78 mm (3.1 inches)83%high
October Weather10°C (50°F)106 mm (4.2 inches)90%moderate
November Weather5°C (41°F)87 mm (3.4 inches)88%low
December Weather2°C (36°F)184 mm (7.3 inches)90%low

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