Riverwoods (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 Riverwoods, Illinois, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.
Monthly hours of sunshine
If you're visiting Riverwoods, timing is key. In July, you can enjoy up to 319 hours of sunshine, while the shorter days of December provide just 107 hours. The total annual amount of sun is 2509 hours.
Daily hours of sunshine
In Riverwoods, 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%.
Riverwoods vs Major Cities: Sunshine Compared
Riverwoods enjoys an average of 2509 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.
In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.
Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.
Related Climate Data for Riverwoods
June, Riverwoods’s wettest month, receives 112 mm (4.4 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month January you can expect a temperature of -1°C (30°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Riverwoods Precipitation page.