Iserlohn Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Iserlohn, North Rhine-Westphalia, Germany. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Iserlohn varies greatly throughout the year. The sunniest month, May, reaches an impressive 236 hours, while January, the darkest month, offers only 40 hours. The total annual amount of sun is 1701 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Iserlohn. While May receives considerable daily sunshine with up to 7.9 hours, January marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.

Iserlohn vs Major Cities: Sunshine Compared

Iserlohn enjoys an average of 1701 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Related Climate Data for Iserlohn

July, Iserlohn’s wettest month, receives 104 mm (4.1 in) of rainfall and has a maximum daytime temperature of 24°C (75°F). During the driest month April you can expect a temperature of 15°C (59°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Iserlohn Precipitation page.