Glen Ellyn (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 Glen Ellyn, Illinois, United States of America. This average is based on long-term data collected between 1990 and 2020.
Monthly hours of sunshine
Seasonal sunshine in Glen Ellyn varies. It peaks at 319 hours in July and drops to 107 hours in December. The total annual amount of sun is 2509 hours.
Daily hours of sunshine
For those who appreciate different seasons, Glen Ellyn serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.6 hours of sunshine daily, and embrace the darker days in December, offering only 3.6 hours of daily sunlight.
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%.
Glen Ellyn vs Major Cities: Sunshine Compared
Glen Ellyn enjoys an average of 2509 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.
In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.
Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Glen Ellyn
June, Glen Ellyn’s wettest month, receives 113 mm (4.4 in) of rainfall and has a maximum daytime temperature of 27°C (81°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 Glen Ellyn Precipitation page.