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Illinois weather in July 2024
Expect 29°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Illinois in July. Check more long-term weather averages for Illinois in July before you book your next holiday to Illinois in 2024/2025.
- 2929°C max day temperature
- 10 hours of sunshine per day
- 1010 days with some rainfall
- 1717°C min night temperature
- 1515 hours of daylight per day
- MModerate heat & humidity
- 100100 mm of monthly rainfall
- 99 (Very High) UV index
- 1919°C sea temperature
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The July weather guide for Illinois (Chicago) 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.
Top Illinois destinations
Below are average maximum temperatures at popular destinations in Illinois in July. Select a destination to see more weather parameters.
All Illinois destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
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 July sunrise & sunset times
Browse the sunrise and sunset times for Illinois in July 2024. Select a month to view Illinois sunrise and sunset times for the next 12 months. The Illinois sunrise and sunset times shown below are for Chicago.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st July 2024 | 05:19 | 20:29 |
Tuesday, 16th July 2024 | 05:30 | 20:23 |
Wednesday, 31st July 2024 | 05:44 | 20:09 |
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