Average Monthly Sunshine in South Holland (IL)

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

Monthly hours of sunshine

Seasonal sunshine in South Holland varies. It peaks at 319 hours in July and drops to 107 hours in December. The total annual amount of sun is 2520 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.

South Holland’s total hours of sunshine compared to other major cities

South Holland enjoys an average of 2520 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.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Other climate information

August, South Holland’s wettest month, receives 114 mm of rainfall and has a maximum daytime temperature of 28°C. During the driest month November you can expect a temperature of 10°C.

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.