Illinois weather in February 2025

Expect 34°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Illinois in February. Check more long-term weather averages for Illinois in February before you book your next holiday to Illinois in 2025/2026.

  • 34°F maximum daytime temperature in February in Illinois (Chicago)34
    34°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in February in Illinois (Chicago)10
    10 days with some rainfall
  • 18°F minimum night-time temperature in February in Illinois (Chicago)18
    18°F min night temperature
  • 11 hours of daylight per day in February in Illinois (Chicago)11
    11 hours of daylight per day
  • No heat & humidity in February in Illinois (Chicago)0
    No heat & humidity
  • 1.5 inches monthly rainfall in February in Illinois (Chicago)1.5
    1.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Illinois (Chicago)2
    2 (Low) UV index
  • 37°F sea temperature in February in Illinois (Chicago)37
    37°F sea temperature

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The February 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 countries, regions and places in Illinois in February. Select a holiday destination to see more weather parameters.

All Illinois destinations

Metric (°C)  |  Imperial (°F)

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More about the USA

How cold is it in Illinois in February?

Daytime temperatures usually reach 34°F in Chicago, Illinois in February, falling to 18°F at night.

How sunny is it in Illinois in February?

There are normally 5 hours of bright sunshine each day in Chicago, Illinois in February - that's 46% of daylight hours.

How warm is the sea around Illinois in February?

The average sea temperature around Chicago, Illinois in February is 37°F.

Does it rain in Illinois in February?

There are usually 10 days with some rain in Chicago, Illinois in February and the average monthly rainfall is 1.5 inches. Rain may fall as snow in this month.

Illinois February sunrise & sunset times

Browse the sunrise and sunset times for Illinois in February 2025. 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
Saturday, 1st February 2025 07:03 17:06
Friday, 14th February 2025 06:47 17:23
Friday, 28th February 2025 06:26 17:40

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