Caseyville (IL) Sunshine Hours by Month
When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Caseyville, Illinois, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.
Monthly hours of sunshine
If you're visiting Caseyville, timing is key. In July, you can enjoy up to 311 hours of sunshine, while the shorter days of December provide just 128 hours. The total annual amount of sun is 2594 hours.
Daily hours of sunshine
In Caseyville, summer days are longer and more sunny, with daily sunshine hours peaking at 10.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours 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%.
Caseyville vs Major Cities: Sunshine Compared
Caseyville enjoys an average of 2594 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.
In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.
Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.
In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.
Related Climate Data for Caseyville
June, Caseyville’s wettest month, receives 103 mm (4.1 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month January you can expect a temperature of 5°C (41°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Caseyville Precipitation page.
