Chicago December Weather Averages

Illinois, United States of America

December Weather Averages for Chicago

High Temp3°C37°F
Low Temp-2°C29°F
Avg Temp0°C33°F
Sunshine Hours119 hours 
Rainfall73.18 mm2.88 In
Rain days7 days 
Pressure1019 mb31 In

 

Chicago December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
20091°C / 33°F-4°C / 25°F-1°C / 30°F86 hours104.62 mm / 4.12 In9 days1017 mb / 31 In
2010-1°C / 30°F-6°C / 22°F-3°C / 26°F90 hours67.93 mm / 2.67 In11 days1020 mb / 31 In
20114°C / 39°F-0°C / 32°F2°C / 36°F177 hours52.08 mm / 2.05 In5 days1021 mb / 31 In
20125°C / 41°F1°C / 33°F3°C / 37°F86 hours74.91 mm / 2.95 In7 days1016 mb / 30 In
2013-1°C / 31°F-7°C / 20°F-4°C / 26°F95 hours60.50 mm / 2.38 In12 days1020 mb / 31 In
20142°C / 36°F-1°C / 30°F1°C / 33°F112 hours35.50 mm / 1.40 In4 days1023 mb / 31 In
20156°C / 44°F3°C / 37°F4°C / 40°F101 hours155.44 mm / 6.12 In11 days1015 mb / 30 In
2016-0°C / 31°F-6°C / 22°F-3°C / 27°F104 hours55.33 mm / 2.18 In8 days1022 mb / 31 In
20171°C / 33°F-4°C / 25°F-2°C / 29°F164 hours19.70 mm / 0.78 In7 days1020 mb / 31 In
20183°C / 37°F-1°C / 30°F1°C / 34°F170 hours92.33 mm / 3.64 In9 days1019 mb / 31 In
20194°C / 40°F-1°C / 31°F2°C / 35°F165 hours50.61 mm / 1.99 In3 days1017 mb / 31 In
20203°C / 38°F-1°C / 30°F1°C / 34°F163 hours78.13 mm / 3.08 In5 days1017 mb / 31 In
20217°C / 45°F1°C / 34°F4°C / 39°F185 hours67.00 mm / 2.64 In3 days1015 mb / 30 In
20222°C / 36°F-3°C / 27°F-0°C / 32°F54 hours63.50 mm / 2.50 In6 days1018 mb / 31 In
20237°C / 44°F3°C / 37°F5°C / 40°F122 hours86.06 mm / 3.39 In7 days1018 mb / 31 In
20242°C / 36°F-2°C / 29°F0°C / 32°F68 hours89.00 mm / 3.50 In4 days1021 mb / 31 In
20250°C / 33°F-4°C / 24°F-2°C / 28°F75 hours91.40 mm / 3.60 In1 days1018 mb / 31 In

Need more than one day of Chicago history?

Download historical weather for Chicago, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

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Chicago weather history: common questions

How far back does Chicago weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Chicago historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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