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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.
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.
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.
|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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