Hottest (avg)
#1 / 12
Chicago in July
July weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 15h
What to expect
As summer continues, July brings, where the weather is warming up. Daytime highs average 27°C / 81°F, dropping to 20°C / 68°F at night.
Skies are often changeable, and you should be prepared for regular rainfall (approx. 14 wet days). Long days provide about 14.9 hours of light, giving you plenty of time for evening wandering.
Statistically, this is the hottest month of the year.
July in context
How it compares to the rest of the year in Chicago.
Wettest (avg)
#4 / 12
Daylight Hours
#2 / 12
Windiest (avg)
#11 / 12
Highest UV
#2 / 12
Most Humid
#10 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.9 hours
- UV index (max)
- 8
- Typical sun hours
- 04:29 – 19:21
Rain & Snow
- Total
-
- Rainy days
- 14
- Cloud cover
- 50%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 71%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is July a good time to visit Chicago?
Typical July days in Chicago reach highs of 27°C (81°F) with nights around 20°C (68°F). It usually feels hot by day and mild after dark. Overall, July sits in the middle of the Chicago climate range.
What are temperatures like in July?
In July, you can usually expect highs of 27°C (81°F) and lows near 20°C (68°F). That means hot days and mild nights, so pack layers you can add or remove.
How much does it rain in July?
Rainfall in July averages 104 mm (4.1 in) across roughly 14 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in July?
You can expect about 15 hours of daylight in July. Sunrise is typically around 04:29 and sunset near 19:21. You get long days with comfortable amounts of daylight.
How strong is the sun in July?
UV levels are often high (around 8). Regular sunscreen and a hat are recommended.
Is it windy in July?
In July, average wind speeds are around 13 km/h (8 mph), with gusts on the windiest days reaching about 48 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.