Illinois weather in March 2024

Expect 8°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Illinois in March. Check more long-term weather averages for Illinois in March before you book your next holiday to Illinois in 2024/2025.

  • 8°C maximum daytime temperature in March in Illinois (Chicago)8
    8°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in March in Illinois (Chicago)13
    13 days with some rainfall
  • -2°C minimum night-time temperature in March in Illinois (Chicago)-2
    -2°C min night temperature
  • 12 hours of daylight per day in March in Illinois (Chicago)12
    12 hours of daylight per day
  • No heat & humidity in March in Illinois (Chicago)0
    No heat & humidity
  • 67 mm monthly rainfall in March in Illinois (Chicago)67
    67 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Illinois (Chicago)4
    4 (Moderate) UV index
  • 3°C sea temperature in March in Illinois (Chicago)3
    3°C sea temperature

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The March 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.

Top Illinois destinations

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

All Illinois destinations

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

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More about the USA

How warm is it in Illinois in March?

Daytime temperatures usually reach 8°C in Chicago, Illinois in March, falling to -2°C at night.

How sunny is it in Illinois in March?

There are normally 6 hours of bright sunshine each day in Chicago, Illinois in March - that's 50% of daylight hours.

Is the sea cold around Illinois in March?

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

Does it rain in Illinois in March?

There are usually 13 days with some rain in Chicago, Illinois in March and the average monthly rainfall is 67mm.

Illinois March sunrise & sunset times

Browse the sunrise and sunset times for Illinois in March 2024. Select a month to view Illinois sunrise and sunset times for the next 12 months. The Illinois sunrise and sunset times shown below are for Chicago.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st March 2024 06:24 17:42
Saturday, 16th March 2024 07:00 18:59
Sunday, 31st March 2024 06:34 19:16

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