Average Monthly Sunshine in Dortmund

The graphs on this page shows the average number of hours per month and per day that Dortmund receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Sunshine in Dortmund 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 1703 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.9 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 1.3 hours of sunlight per day.

Dortmund’s total hours of sunshine compared to other major cities

Dortmund enjoys an average of 1703 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, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Other climate information

July, Dortmund’s wettest month, receives 96 mm of rainfall and has a maximum daytime temperature of 24°C. During the driest month April you can expect a temperature of 15°C.

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