Iserlohn Weather & Climate: Best Time to Visit
Temperatures in Iserlohn, North Rhine-Westphalia, Germany, vary greatly throughout the year. July is the hottest month at 24°C (75°F), while January is the coldest at 5°C (41°F).
The city receives considerable rain/snowfall, with around 1092 mm (43 in) annually. July is the wettest month. The most sunshine falls in May, with an average of 7.9 hours of daily sunshine.
Monthly Temperature in Iserlohn
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
Rainfall in Iserlohn
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
Sunshine Hours in Iserlohn
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
Iserlohn 3-Day Forecast
Check the conditions for any month of the year.
