Average Monthly Sunshine in Saint-Louis

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

Monthly hours of sunshine

The sunniest days in Saint-Louis occur in August, with around 248 hours of sunshine. Even in November, the least sunny month, Saint-Louis still enjoys a comfortable 207 hours of sunlight. The total annual sunshine amounts to 2781 hours.

Daily hours of sunshine

Year-round, Saint-Louis offers plenty of sunlight to enjoy during your holiday. The difference between the sunniest month, August, with 8.3 hours of daily sunshine, and November, the least sunny month, with 6.9 hours, is minimal.

Saint-Louis’s total hours of sunshine compared to other major cities

Saint-Louis enjoys an average of 2781 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.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

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

Other climate information

October, Saint-Louis’s wettest month, receives 159 mm of rainfall and has a maximum daytime temperature of 29°C. During the driest month March you can expect a temperature of 27°C.

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.