Average temperatures, rainfall and packing tips for Chicago, United States in April
April in Chicago is typically mild, with average daytime highs around 15°C and nights near 6°C. Temperature-wise it sits mid-range for Chicago (the 7th warmest month).
April is one of the wetter months in Chicago, with around 111 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Chicago are usually May, June, July, August, September and October.
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In April, Chicago averages a daytime high of about 15°C and a night-time low of around 6°C, based on recent historical data.
April is one of the wetter months in Chicago, with around 111 mm of rain - plan around showers.
April is a workable time to visit Chicago, with mild days - just pack accordingly. If your dates are flexible, the most comfortable months in Chicago are usually May, June, July, August, September and October.