Iserlohn Weather & Climate: Best Time to Visit

The climate in Iserlohn 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 5°C (41°F) in the coolest month, January.

Nights vary from 13°C (55°F) in July to around 0°C (32°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Iserlohn has a notably wet climate with abundant precipitation, recording 1092 mm (43 in) of rain/snowfall per year. Precipitation levels in Iserlohn remain relatively steady throughout the year. July has the most rain, with 104 mm (4.1 in) over 16 days. In the driest month April, this drops slightly to 70 mm (2.8 in), making the city's climate fairly predictable. For more details, please visit our Iserlohn 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, Iserlohn serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.9 hours of sunshine daily, and embrace the darker days in January, offering only 1.3 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine