May Weather in Aach, Germany

Last updated: August 23, 2025

In May, the average temperature in Aach, Germany hovers around 13°C (56°F), while you can expect a minimum of -2°C (29°F) and a maximum of 30°C (87°F). With an average humidity of 80%, the air can feel quite heavy. Be prepared for about 109 mm (4.3 in) of precipitation spread over 16 days, so don’t forget your umbrella!

May Temperature in Aach

In May in Aach, the average temperature is 13°C (56°F). Maximum temperatures can reach 30°C (87°F), while minimum temperatures can drop as low as -2°C (29°F). This variation makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates May temperature patterns in Aach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aach, May typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (87°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Aach

In Aach in May, the precipitation amount is 109 mm (4.3 in) spread over 16 days.

May Precipitation Trends in Aach

The chart displays monthly precipitation patterns in Aach, 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 Aach, May typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 16 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 Aach

In Aach in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in Aach

This chart illustrates the average monthly humidity levels in Aach, 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 Aach is approximately 80%, 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 Aach

In Aach 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 Aach.

Maximum UV Index Levels in Aach for May

The chart shows the monthly maximum UV Index (UVI) for Aach 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 Aach typically reaches 8, which falls under the very high exposure category.

Data source: Aach 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 Aach Compares to Other Months

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

This table compares monthly weather conditions in Aach, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	81 mm (3.2 inches)	92%	low
February Weather	3°C (38°F)	63 mm (2.5 inches)	89%	moderate
March Weather	6°C (42°F)	73 mm (2.9 inches)	87%	moderate
April Weather	10°C (50°F)	53 mm (2.1 inches)	84%	high
May Weather	13°C (56°F)	109 mm (4.3 inches)	80%	very high
June Weather	18°C (65°F)	113 mm (4.5 inches)	82%	very high
July Weather	20°C (68°F)	76 mm (3.0 inches)	83%	very high
August Weather	19°C (67°F)	102 mm (4.0 inches)	80%	very high
September Weather	15°C (59°F)	66 mm (2.6 inches)	83%	high
October Weather	10°C (50°F)	78 mm (3.1 inches)	90%	moderate
November Weather	4°C (40°F)	54 mm (2.1 inches)	88%	low
December Weather	2°C (36°F)	103 mm (4.1 inches)	90%	low