Chicago weather in December 2024

Expect 2°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Chicago in December. Check more long-term weather averages for Chicago in December before you book your next holiday to Illinois in 2024/2025.

  • 2°C maximum daytime temperature in December in Chicago2
    2°C max day temperature
  • 3 hours of sunshine per day
  • 12 days with some rainfall in December in Chicago12
    12 days with some rainfall
  • -7°C minimum night-time temperature in December in Chicago-7
    -7°C min night temperature
  • 9 hours of daylight per day in December in Chicago9
    9 hours of daylight per day
  • No heat & humidity in December in Chicago0
    No heat & humidity
  • 62 mm monthly rainfall in December in Chicago62
    62 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Chicago1
    1 (Low) UV index
  • 5°C sea temperature in December in Chicago5
    5°C sea temperature

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The December 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 cold is it in Chicago in December?

Daytime temperatures usually reach 2°C in Chicago in December, falling to -7°C at night.

How sunny is it in Chicago in December?

There are normally 3 hours of bright sunshine each day in Chicago in December - that's 37% of daylight hours.

Is the sea cold around Chicago in December?

The average sea temperature around Chicago in December is 5°C.

Does it rain in Chicago in December?

There are usually 12 days with some rain in Chicago in December and the average monthly rainfall is 62mm. Rain may fall as snow in this month.

Chicago December sunrise & sunset times

Browse the sunrise and sunset times for Chicago in December 2024. Select a month to view Chicago sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 06:59 16:20
Monday, 16th December 2024 07:12 16:21
Tuesday, 31st December 2024 07:18 16:30

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