Chicago weather in April

April in Chicago: cool, rainy, with clean air — a great time to visit.

#6 of 12 months in Chicago · #406 of 604 destinations to visit in April · comfort 74/100 (tier B)

Updated June 2026 · climate normals from ERA5 reanalysis

Chicago climate normals — April

Daytime high13°C / 55°F🙂 cool
Nighttime low5°C / 40°F
Feels like (high)10°C / 50°F
Rainfall108 mm / 4.2 in🌧 rainy
Rainy days13 days
Humidity69%💧 humid
Dew point3°C / 37°F
Sunshine9.1 h/day
Daylight13.4 h
Wind24 km/h / 15 mph
Snowfall7.4 cm / 2.9 in
Air quality (US AQI)46🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

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Chicago in April — FAQ

Is April a good time to visit Chicago?
April in Chicago: cool, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Chicago on SeasonMap's comfort score (74/100).
What is the weather like in Chicago in April?
In April, Chicago averages a daily high of 13°C and a low of 4.5°C, with about 107.6 mm of rain over roughly 13.4 rainy days.
What is the air quality in Chicago in April?
Chicago has a mean US Air Quality Index of about 46 in April.
Does it snow in Chicago in April?
Chicago sees roughly 7.4 cm of snowfall in April.

Other months in Chicago

Warmer or cooler than Chicago in April

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