Edwardsville (IL) Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Edwardsville, Illinois, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Edwardsville. 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 2594 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Edwardsville. While July receives considerable daily sunshine with up to 10.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 68% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 44%.

Edwardsville enjoys an average of 2594 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

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

April, Edwardsville’s wettest month, receives 103 mm (4.1 in) of rainfall and has a maximum daytime temperature of 20°C (68°F). During the driest month January you can expect a temperature of 4°C (39°F).

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