United States · 1991–2020 normal

Chicago in
July.

Typical July weather in Chicago: 29.4°C by day, 20°C at night, 87 mm of rain over 7.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high29.4°C
Typical low20°C
Rain87 mm
Wet days7.1

In the year-round weather comparison, July scores 62 out of 100 (September leads the year at 89). Daylight is calculated as 14 h 56 from latitude 41.85°. Open-water sea temperature is 20.9°C (4 km from the place centre).

July at a glance

What is Chicago like in July?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Chicago hot in July?

Days are typically warm at 29.4°C, while nights average 20°C.

Does it rain much?

The measured monthly average is 87 mm across about 7 wet days.

How much daylight is there?

There are about 14 h 56 between sunrise and sunset at mid-month, calculated from the place latitude.

Is July a good time to visit?

July ranks 5 of 12 in our weather comparison; September ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4887398
NOAA station
USW00014819 · CHICAGO MIDWAY AP
Station distance
11.4 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
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The weather comparison for Chicago is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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