ICO Weather

Weather and Climate at ICO

The Illinois College of Optometry (ICO) is located in Chicago, Illinois, which experiences a humid continental climate with warm, humid summers and cold, snowy winters.

• Summer: Temperatures range from 70°F to 85°F (21°C to 29°C), with occasional heatwaves pushing temperatures above 90°F (32°C).
• Winter: Temperatures can drop below 20°F (-7°C), with significant snowfall and cold winds from Lake Michigan affecting commuting and campus life.
• Spring and Fall: These seasons are mild, with temperatures ranging from 40°F to 60°F (4°C to 16°C), though they can be quite variable with occasional severe weather.
• Rainfall: Chicago receives about 36 inches of rain annually, with the wettest months typically being May and June.
• Impact on Campus Life: The weather can influence outdoor activities and research, with winter conditions sometimes leading to indoor-focused events and activities at ICO.