Sunshine & Daylight Hours in Chicago, Illinois, Usa

• On balance hours of sunlight in Chicago, Illinois range between 3h 42' for each day in December and 10h 14' for each day in July.
• The longest day of the year is 15h 02' long and the shortest day is 8h 57' long.
• The longest day is 6h 04' longer than the shortest day.
• There is an average of 2565 hours of sunlight per year (of a possible 4383) with an average of 7:01 of sunlight per day.
• It is sunny 58.5% of daylight hours. The remaining 41.5% of daylight hours are likely cloudy or with shade, haze or low sun intensity.
• At midday the sun is on average 48.6° above the horizon at Chicago, Illinois.
• The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 71.65° above the horizon.
• The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 24.82° above the horizon.