nomadseason

May Weather in Rheinfelden, Germany

Last updated: August 23, 2025

In May, the average temperature in Rheinfelden, Germany is a mild 14°C (57°F). Expect a range from a chilly 1°C (33°F) to a warm 31°C (87°F). This month typically brings about 126 mm (5.0 in) of precipitation over 17 days, contributing to an average humidity of 80%.

May Temperature in Rheinfelden

In May in Rheinfelden, the average temperature is 14°C (57°F). Maximums can reach 31°C (87°F), while minimums can drop to as low as 1°C (33°F). This varied climate makes Rheinfelden an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates May temperature patterns in Rheinfelden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rheinfelden, May typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (87°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505766686860514138
Data source: Temperature data for Rheinfelden generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Rheinfelden

In Rheinfelden in May, the precipitation amount is 126 mm (5.0 in) over a duration of 17 days.

May Precipitation Trends in Rheinfelden

The chart displays monthly precipitation patterns in Rheinfelden, 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 Rheinfelden, May typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec89758759126120122115699073124
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Rheinfelden

In Rheinfelden in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

May Average Humidity in Rheinfelden

This chart illustrates the average monthly humidity levels in Rheinfelden, 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 Rheinfelden 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 Rheinfelden

In Rheinfelden 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 Rheinfelden.

Maximum UV Index Levels in Rheinfelden for May

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

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

This table compares monthly weather conditions in Rheinfelden, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)89 mm (3.5 inches)92%low
February Weather4°C (39°F)75 mm (2.9 inches)89%moderate
March Weather6°C (44°F)87 mm (3.4 inches)87%moderate
April Weather10°C (50°F)59 mm (2.3 inches)84%high
May Weather14°C (57°F)126 mm (5.0 inches)80%very high
June Weather19°C (66°F)120 mm (4.7 inches)82%very high
July Weather20°C (69°F)122 mm (4.8 inches)83%very high
August Weather20°C (68°F)115 mm (4.5 inches)80%very high
September Weather16°C (61°F)69 mm (2.7 inches)83%high
October Weather11°C (52°F)89 mm (3.5 inches)90%moderate
November Weather5°C (42°F)73 mm (2.9 inches)88%low
December Weather3°C (38°F)124 mm (4.9 inches)90%low

Compare Rheinfelden's Climate with Cities Worldwide