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United StatesThe weather in July in Chicago
It's warm in July in Chicago with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 32°C. At night, you can expect temperatures between 18°C and 22°C.
Looking for sun? July isn’t a good month to be in Chicago. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Chicago, Illinois. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2019, Chicago reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 19°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 28°C.
Rainfall amount
In July, there is an average of 169 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in July for Chicago
Click on any day in July to get detailed info about the usual weather on that day in Chicago. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| Chicago | New York | |
|---|---|---|
| Average temperature | 29°C | 31°C |
| Max. temperature | 32°C | 33°C |
| Min. temperature | 18°C | -5°C |
| Total precipitation | 169 mm | 160 mm |
| Rainy days | 19 days | 18 days |
Start of July
The month of July starts in Chicago with hot temps, averaging around 29°C during the day and nights around 20°C.
Mid July
By mid-July, daytime temps stay steady at around 29°C, with nights around 21°C. There’s a high chance of precipitation during this time.
End of July
By the end of July, the average daytime temperature in Chicago is around 30°C, while nighttime temps are about 22°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Chicago for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in July in Chicago, Illinois. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Chicago
Temperature in July in Chicago over the years
Precipitation charts
These charts show the average amount of precipitation in July in Chicago, Illinois. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in July in Chicago
Total precipitation in July in Chicago over the years
Daily UV index in July in Chicago
This chart shows the average daily UV index in July in Chicago, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in July in Chicago
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Average weather in Chicago by month
Click on a month below to see detailed weather info for Chicago. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.