Sparta (IL) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Sparta, Illinois, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Sunshine in Sparta varies greatly throughout the year. The sunniest month, July, reaches an impressive 311 hours, while December, the darkest month, offers only 128 hours. The total annual amount of sun is 2594 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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%.

Sparta 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, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

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

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

May, Sparta’s wettest month, receives 126 mm (5 in) of rainfall and has a maximum daytime temperature of 24°C (75°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 Sparta Precipitation page.