Average Monthly Sunshine in Heidelberg

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

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Heidelberg. Expect long, bright days with 276 hours in January and darker periods with just 123 hours in June. The total annual amount of sun is 2383 hours.

Daily hours of sunshine

In Heidelberg, summer days are longer and more sunny, with daily sunshine hours peaking at 9.2 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.1 hours per day.

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

Heidelberg enjoys an average of 2383 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

September, Heidelberg’s wettest month, receives 54 mm of rainfall and has a maximum daytime temperature of 17°C. During the driest month March you can expect a temperature of 25°C.

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