Illinois weather in April 2021

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

18
Springfield
15
Chicago

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

The April 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.

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How warm is it in Illinois in April?

Daytime temperatures usually reach 15°C in Chicago, Illinois in April, falling to 3°C at night.

How sunny is it in Illinois in April?

There are normally 7 hours of bright sunshine each day in Chicago, Illinois in April - that's 55% of daylight hours.

Is the sea cold around Illinois in April?

The average sea temperature around Chicago, Illinois in April is 3°C.

Does it rain in Illinois in April?

There are usually 13 days with some rain in Chicago, Illinois in April and the average monthly rainfall is 96mm.

Illinois sunrise & sunset times for April 2021

Browse the sunrise & sunset times for Illinois in April 2021. Select a month to view Illinois sunrise & sunset times for the next twelve months. The Illinois sunrise & sunset times shown below are for Chicago.

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