Illinois weather in July 2020

Below are average maximum temperatures at popular destinations in Illinois in July. Select a destination to see more weather parameters.

More destinations >>

  • Top deals & discounts
  • Illinois weather overview
  • Illinois climate averages by month
  • More destinations
  • Best time to go to Illinois
  • Illinois 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The July weather guide for Illinois shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Book car hire in the USA for 7 days & pay for just 5
  • Offer available to UK residents only
  • No hidden charges or credit card fees apply

How hot is it in Illinois in July?

Daytime temperatures usually reach 29°C in Chicago, Illinois in July with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Illinois in July?

There are normally 10 hours of bright sunshine each day in Chicago, Illinois in July - that's 69% of daylight hours.

How warm is the sea around Illinois in July?

The average sea temperature around Chicago, Illinois in July is 19°C.

Does it rain in Illinois in July?

There are usually 10 days with some rain in Chicago, Illinois in July and the average monthly rainfall is 100mm.

Illinois sunrise & sunset times for July 2020

Browse the sunrise & sunset times for Illinois in July 2020. Select a month to view Illinois sunrise & sunset times for the next twelve months. The Illinois sunrise & sunset times shown below are for Chicago.


Date Sunrise times Sunset times
Wednesday, 1st July 2020 05:19 20:29
Thursday, 16th July 2020 05:30 20:23
Friday, 31st July 2020 05:44 20:09
  • Check out the best deals on holidays & hotels worldwide
  • Select a destination to see popular hotels & apartments
  • Filter deals by TripAdvisor rating, star rating, facilities & more

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about the USA

More Illinois destinations

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.