Arlington Heights (IL) Sunshine Hours by Month
In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Arlington Heights, Illinois, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.
Monthly hours of sunshine
If you're visiting Arlington Heights, 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
Seasonal changes in sunshine hours are quite obvious in Arlington Heights. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight 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%.
Arlington Heights vs Major Cities: Sunshine Compared
Arlington Heights 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, 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.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Arlington Heights
June, Arlington Heights’s wettest month, receives 114 mm (4.5 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 Arlington Heights Precipitation page.
