Heilbronn Sunshine Hours by Month
Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Heilbronn, Baden-Württemberg, Germany. Long-term data from 1990 to 2020 was used to calculate these averages.
Monthly hours of sunshine
Seasonal sunshine in Heilbronn varies. It peaks at 235 hours in July and drops to 61 hours in December. The total annual amount of sun is 1816 hours.
Daily hours of sunshine
Seasonal changes in sunshine hours are quite obvious in Heilbronn. While July receives considerable daily sunshine with up to 7.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.0 hours of sunlight per day.
Average percent of sunshine
On average the sun shines 50% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 23%.
Heilbronn vs Major Cities: Sunshine Compared
Heilbronn enjoys an average of 1816 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, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.
In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.
Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.
Related Climate Data for Heilbronn
December, Heilbronn’s wettest month, receives 80 mm (3.1 in) of snow/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 Heilbronn Precipitation page.
