The highest day temperature in July 2023 was 95°F. The lowest night temperature was 63°F. The average values for day and night temperatures during July were 82.1°F и 70.5°F respectivly.

The average sea surface temperature in July 2023 for Chicago was 72.6°F. The maximum and minimum values were 68.4°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 3.6 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 8.5 mph. It makes July one of the most windless months 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.