Mettmann Weather & Climate: Best Time to Visit

The climate in Mettmann is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 6°C (43°F) in the coolest month, January.

Nights vary from 14°C (57°F) in July to around 1°C (34°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Mettmann has a notably wet climate with abundant precipitation, recording 1103 mm (43 in) of rain/snowfall per year. Mettmann offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (111 mm (4.4 in)) and the driest month April (67 mm (2.6 in)) is not too significant. For more details, please visit our Mettmann Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Mettmann serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.0 hours of sunshine daily, and embrace the darker days in December, offering only 1.6 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Mettmann.

The city experiences its highest humidity in December, reaching 86%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year