Chicago weather in December 2019

  • 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 Chicago, 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.

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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.

Chicago sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Chicago in December 2019. Select a month to view Chicago sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Sunday, 1st December 2019 06:58 16:20
Monday, 16th December 2019 07:12 16:20
Tuesday, 31st December 2019 07:18 16:29
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's warm in Illinois in December?

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

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