Illinois weather in May 2020

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

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The May 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 hot is it in Illinois in May?

Daytime temperatures usually reach 21°C in Chicago, Illinois in May, falling to 9°C at night.

How sunny is it in Illinois in May?

There are normally 9 hours of bright sunshine each day in Chicago, Illinois in May - that's 62% of daylight hours.

Is the sea cold around Illinois in May?

The average sea temperature around Chicago, Illinois in May is 6°C.

Does it rain in Illinois in May?

There are usually 11 days with some rain in Chicago, Illinois in May and the average monthly rainfall is 84mm.

Illinois sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Illinois in May 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.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2020 05:46 19:50
Saturday, 16th May 2020 05:29 20:06
Sunday, 31st May 2020 05:18 20:19
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Metric (°C / mm)  |  Imperial (°F / inches)

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