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.

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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.


Date Sunrise times Sunset times
Thursday, 1st April 2021 06:33 19:16
Thursday, 15th April 2021 06:10 19:32
Friday, 30th April 2021 05:48 19:48
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Metric (°C / mm)  |  Imperial (°F / inches)

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