The highest day temperature in July 2024 was 90°F. The lowest night temperature was 63°F. The average values for day and night temperatures during July were 80.8°F и 70.6°F respectivly.

The average sea surface temperature in July 2024 for Chicago was 73.7°F. The maximum and minimum values were 67.6°F and 77.8°F respectively.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for Chicago is 3.4 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 8.4 mph. It makes July the most windless month of the year for Chicago.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chicago in July is 10.0 hours.