Average Monthly Sunshine in Greenville (IL)

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

Monthly hours of sunshine

If you're visiting Greenville, 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 2612 hours.

Daily hours of sunshine

For those who appreciate different seasons, Greenville serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.

Greenville’s total hours of sunshine compared to other major cities

Greenville enjoys an average of 2612 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

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

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

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

Other climate information

June, Greenville’s wettest month, receives 98 mm of rainfall and has a maximum daytime temperature of 30°C. During the driest month January you can expect a temperature of 3°C.

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