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May Weather in Rettenberg, Germany

Last updated: August 23, 2025

In May, the average temperature in Rettenberg, Germany hovers around 9°C (49°F). Expect a wide temperature range, with minimums dipping to -6°C (22°F) and maximums soaring to 27°C (81°F). Precipitation is notable this month, with 199 mm (7.9 in) falling over 23 days. Additionally, the average humidity level sits at a comfortable 78%, making for a unique climate experience!

May Temperature in Rettenberg

In May in Rettenberg, the average temperature is 9°C (49°F). Maximum temperatures can reach 27°C (81°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates May temperature patterns in Rettenberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rettenberg, May typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec273135424858595952453629
Data source: Temperature data for Rettenberg 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 Rettenberg

In Rettenberg in May, the total precipitation amount is 199 mm (7.9 in), which occurs over a span of 23 days.

May Precipitation Trends in Rettenberg

The chart displays monthly precipitation patterns in Rettenberg, 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 Rettenberg, May typically receives around 199 mm (7.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec1421101309820018521121115013386165
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rettenberg

In Rettenberg in May, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

May Average Humidity in Rettenberg

This chart illustrates the average monthly humidity levels in Rettenberg, 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 Rettenberg is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rettenberg

In Rettenberg 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 Rettenberg.

Maximum UV Index Levels in Rettenberg for May

The chart shows the monthly maximum UV Index (UVI) for Rettenberg 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 Rettenberg typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986432
Data source: Rettenberg 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 Rettenberg Compares to Other Months

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

This table compares monthly weather conditions in Rettenberg, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)142 mm (5.6 inches)93%low
February Weather0°C (31°F)110 mm (4.3 inches)89%moderate
March Weather2°C (36°F)130 mm (5.1 inches)86%moderate
April Weather6°C (42°F)98 mm (3.9 inches)83%high
May Weather9°C (49°F)199 mm (7.9 inches)78%very high
June Weather14°C (58°F)185 mm (7.3 inches)79%very high
July Weather15°C (60°F)211 mm (8.3 inches)82%very high
August Weather15°C (60°F)211 mm (8.3 inches)80%very high
September Weather11°C (52°F)150 mm (5.9 inches)83%high
October Weather7°C (45°F)133 mm (5.2 inches)90%moderate
November Weather2°C (36°F)86 mm (3.4 inches)89%moderate
December Weather-2°C (29°F)165 mm (6.5 inches)90%low

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