South Holland (IL) Sunshine Hours by Month
The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in South Holland, Illinois, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.
Monthly hours of sunshine
Sunshine in South Holland varies greatly throughout the year. The sunniest month, July, reaches an impressive 319 hours, while December, the darkest month, offers only 107 hours. The total annual amount of sun is 2509 hours.
Daily hours of sunshine
In South Holland, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.6 hours per day.
Average percent of sunshine
On average the sun shines 69% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 37%.
South Holland vs Major Cities: Sunshine Compared
South Holland enjoys an average of 2509 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.
In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.
Related Climate Data for South Holland
August, South Holland’s wettest month, receives 114 mm (4.5 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month November you can expect a temperature of 10°C (50°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our South Holland Precipitation page.
