May Weather in Vallendar, Germany

Last updated: August 23, 2025

In May, the average temperature in Vallendar, Germany hovers around 13°C (56°F), with minimums dipping to 0°C (32°F) and occasional maximums reaching 32°C (90°F). Expect about 75 mm (3.0 in) of precipitation spread over 12 days, contributing to an average humidity of 77%. Perfect for cozy indoor activities or exploring the scenic outdoors!

May Temperature in Vallendar

In May in Vallendar, the average temperature is 13°C (56°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 0°C (32°F). This varied climate makes Vallendar an ideal destination for travelers who enjoy both warm days and cool nights.

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

The chart illustrates May temperature patterns in Vallendar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vallendar, 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 0°C (32°F).

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

May Precipitation in Vallendar

In Vallendar in May, the precipitation amount is 75 mm (3.0 in) over the course of 12 days.

May Precipitation Trends in Vallendar

The chart displays monthly precipitation patterns in Vallendar, 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 Vallendar, May typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Vallendar

In Vallendar in May humidity is 77%. With average temperature 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities sweaty and uncomfortable.

May Average Humidity in Vallendar

This chart illustrates the average monthly humidity levels in Vallendar, 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 Vallendar is approximately 77%, 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 Vallendar

In Vallendar 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 Vallendar.

Maximum UV Index Levels in Vallendar for May

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

Data source: Vallendar 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 Vallendar Compares to Other Months

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

This table compares monthly weather conditions in Vallendar, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	72 mm (2.8 inches)	91%	low
February Weather	4°C (39°F)	65 mm (2.6 inches)	90%	moderate
March Weather	6°C (43°F)	74 mm (2.9 inches)	87%	moderate
April Weather	10°C (49°F)	38 mm (1.5 inches)	84%	moderate
May Weather	13°C (56°F)	75 mm (3.0 inches)	77%	high
June Weather	18°C (65°F)	74 mm (2.9 inches)	74%	very high
July Weather	19°C (66°F)	79 mm (3.1 inches)	72%	very high
August Weather	19°C (66°F)	70 mm (2.8 inches)	71%	high
September Weather	15°C (59°F)	54 mm (2.1 inches)	81%	moderate
October Weather	11°C (52°F)	66 mm (2.6 inches)	88%	moderate
November Weather	6°C (43°F)	49 mm (1.9 inches)	91%	low
December Weather	4°C (40°F)	102 mm (4.0 inches)	92%	low