Heidelberg 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 Heidelberg, Baden-Württemberg, Germany. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Heidelberg varies greatly throughout the year. The sunniest month, July, reaches an impressive 237 hours, while December, the darkest month, offers only 45 hours. The total annual amount of sun is 1726 hours.

Daily hours of sunshine

For those who appreciate different seasons, Heidelberg serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.9 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight.

Heidelberg enjoys an average of 1726 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

December, Heidelberg’s wettest month, receives 74 mm (2.9 in) of rainfall and has a maximum daytime temperature of 6°C (43°F). During the driest month April you can expect a temperature of 16°C (61°F).

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.