Chicago weather in April 2025

Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Chicago in April. Check more long-term weather averages for Chicago in April before you book your next holiday to Illinois in 2025/2026.

  • 15°C maximum daytime temperature in April in Chicago15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in April in Chicago13
    13 days with some rainfall
  • 3°C minimum night-time temperature in April in Chicago3
    3°C min night temperature
  • 13 hours of daylight per day in April in Chicago13
    13 hours of daylight per day
  • No heat & humidity in April in Chicago0
    No heat & humidity
  • 96 mm monthly rainfall in April in Chicago96
    96 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Chicago6
    6 (High) UV index
  • 3°C sea temperature in April in Chicago3
    3°C sea temperature

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The April 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How warm is it in Chicago in April?

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

How sunny is it in Chicago in April?

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

Is the sea cold around Chicago in April?

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

Does it rain in Chicago in April?

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

Chicago April sunrise & sunset times

Browse the sunrise and sunset times for Chicago in April 2025. Select a month to view Chicago sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:33 18:16
Tuesday, 15th April 2025 05:10 18:32
Wednesday, 30th April 2025 04:48 18:49

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