May Weather in Rethem, Germany

Last updated: August 23, 2025

In Rethem, Germany, the average temperature in May hovers around 13°C (56°F). Expect a chilly minimum of -1°C (31°F), with a potential peak at 32°C (90°F). During this month, precipitation is moderate, averaging 58 mm (2.3 in) over about 12 days, and the air tends to be quite humid, with an average humidity of 73%.

May Temperature in Rethem

In May in Rethem, the average temperature is 13°C (56°F). Maximums can reach 32°C (90°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates May temperature patterns in Rethem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rethem, May typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Rethem generated using information from the Copernicus Climate Change Service.

May Precipitation in Rethem

In Rethem in May, the precipitation amount is 58 mm (2.3 in) spread over 12 days.

May Precipitation Trends in Rethem

The chart displays monthly precipitation patterns in Rethem, 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 Rethem, May typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Rethem

In Rethem in May humidity is 73%. With an average temperature of 13°C (56°F), this humidity feels like a cool, damp embrace that can be quite refreshing yet may require a light jacket for comfort while exploring the outdoors.

May Average Humidity in Rethem

This chart illustrates the average monthly humidity levels in Rethem, 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 Rethem is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rethem

In Rethem in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Rethem.

Maximum UV Index Levels in Rethem for May

The chart shows the monthly maximum UV Index (UVI) for Rethem 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 Rethem typically reaches 7, which falls under the high exposure category.

Data source: Rethem 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 Rethem Compares to Other Months

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

This table compares monthly weather conditions in Rethem, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	61 mm (2.4 inches)	91%	low
February Weather	4°C (39°F)	62 mm (2.4 inches)	89%	low
March Weather	6°C (43°F)	66 mm (2.6 inches)	87%	moderate
April Weather	9°C (49°F)	49 mm (1.9 inches)	82%	moderate
May Weather	13°C (56°F)	58 mm (2.3 inches)	73%	high
June Weather	19°C (66°F)	67 mm (2.6 inches)	66%	very high
July Weather	19°C (66°F)	85 mm (3.4 inches)	66%	high
August Weather	19°C (67°F)	72 mm (2.8 inches)	67%	high
September Weather	15°C (59°F)	56 mm (2.2 inches)	81%	moderate
October Weather	12°C (53°F)	82 mm (3.2 inches)	86%	moderate
November Weather	7°C (44°F)	47 mm (1.8 inches)	90%	low
December Weather	4°C (40°F)	79 mm (3.1 inches)	90%	low