Average Monthly Sunshine in St. Charles (MO)

The graphs on this page shows the average number of hours per month and per day that St. Charles 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 St. Charles. Expect long, bright days with 311 hours in July and darker periods with just 128 hours in December. The total annual amount of sun is 2612 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.3 hours of sunlight per day.

St. Charles’s total hours of sunshine compared to other major cities

St. Charles enjoys an average of 2612 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, Dublin, Ireland, receives only about 1440 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

April, St. Charles’s wettest month, receives 108 mm of rainfall and has a maximum daytime temperature of 20°C. During the driest month January you can expect a temperature of 5°C.

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