May Weather in Herne, Germany

Last updated: August 23, 2025

In May, the average temperature in Herne, Germany is a comfortable 14°C (57°F), with fluctuations that can see lows of 0°C (33°F) and highs reaching 33°C (91°F). Expect about 70 mm (2.7 in) of precipitation spread over 13 days, contributing to an average humidity level of 77%. Whether you’re exploring or relaxing, be prepared for a delightful mix of conditions!

May Temperature in Herne

In May in Herne, the average temperature is 14°C (57°F). Maximums can reach 33°C (91°F), and minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates May temperature patterns in Herne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herne, May typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (33°F).

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

May Precipitation in Herne

In Herne in May, the precipitation amount is 70 mm (2.7 in) over the course of 13 days.

May Precipitation Trends in Herne

The chart displays monthly precipitation patterns in Herne, 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 Herne, May typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 13 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 Herne

In Herne in May, humidity is 77%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel muggy and leaving you craving the shade while you travel.

May Average Humidity in Herne

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

In Herne 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 Herne.

Maximum UV Index Levels in Herne for May

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

Data source: Herne 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 Herne Compares to Other Months

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

This table compares monthly weather conditions in Herne, 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)	80 mm (3.2 inches)	91%	low
February Weather	4°C (40°F)	85 mm (3.4 inches)	90%	low
March Weather	7°C (44°F)	85 mm (3.4 inches)	87%	moderate
April Weather	10°C (50°F)	39 mm (1.5 inches)	84%	moderate
May Weather	14°C (57°F)	70 mm (2.7 inches)	77%	high
June Weather	19°C (66°F)	67 mm (2.6 inches)	74%	very high
July Weather	19°C (66°F)	98 mm (3.9 inches)	72%	very high
August Weather	19°C (66°F)	77 mm (3.0 inches)	71%	high
September Weather	15°C (59°F)	67 mm (2.6 inches)	81%	moderate
October Weather	12°C (53°F)	97 mm (3.8 inches)	88%	moderate
November Weather	7°C (44°F)	59 mm (2.3 inches)	91%	low
December Weather	5°C (41°F)	108 mm (4.2 inches)	92%	low