Saint-Louis 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 Saint-Louis, Alsace, France. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Seasonal sunshine in Saint-Louis varies. It peaks at 237 hours in July and drops to 53 hours in December. The total annual amount of sun is 1701 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Saint-Louis. While July receives considerable daily sunshine with up to 7.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 55% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 26%.

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

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

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

May, Saint-Louis’s wettest month, receives 113 mm (4.4 in) of rainfall and has a maximum daytime temperature of 20°C (68°F). During the driest month February you can expect a temperature of 7°C (45°F).

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