Normal December Weather Averages

Illinois, United States of America

December Weather Averages for Normal

High Temp4°C38°F
Low Temp-3°C27°F
Avg Temp0°C32°F
Sunshine Hours131 hours 
Rainfall71.54 mm2.82 In
Rain days7 days 
Pressure1019 mb31 In

 

Normal December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
20091°C / 34°F-5°C / 23°F-2°C / 29°F100 hours113.08 mm / 4.45 In14 days1018 mb / 31 In
2010-2°C / 28°F-8°C / 18°F-5°C / 23°F53 hours71.97 mm / 2.83 In9 days1021 mb / 31 In
20115°C / 41°F-1°C / 30°F2°C / 35°F186 hours62.39 mm / 2.46 In5 days1021 mb / 31 In
20125°C / 42°F-1°C / 31°F2°C / 36°F104 hours66.79 mm / 2.63 In7 days1016 mb / 30 In
20130°C / 33°F-7°C / 19°F-3°C / 26°F111 hours58.30 mm / 2.30 In7 days1021 mb / 31 In
20143°C / 38°F-2°C / 28°F0°C / 33°F107 hours33.60 mm / 1.32 In4 days1023 mb / 31 In
20158°C / 46°F2°C / 35°F5°C / 40°F131 hours164.71 mm / 6.48 In11 days1016 mb / 30 In
20161°C / 33°F-6°C / 22°F-3°C / 27°F132 hours36.50 mm / 1.44 In8 days1023 mb / 31 In
20172°C / 35°F-5°C / 23°F-2°C / 29°F179 hours22.40 mm / 0.88 In5 days1022 mb / 31 In
20185°C / 41°F-2°C / 29°F1°C / 34°F162 hours131.91 mm / 5.19 In8 days1019 mb / 31 In
20196°C / 42°F-2°C / 29°F2°C / 35°F191 hours33.81 mm / 1.33 In2 days1018 mb / 31 In
20204°C / 39°F-3°C / 27°F0°C / 33°F171 hours47.98 mm / 1.89 In6 days1018 mb / 31 In
202110°C / 49°F0°C / 33°F5°C / 40°F205 hours64.60 mm / 2.54 In7 days1015 mb / 30 In
20223°C / 38°F-4°C / 24°F-1°C / 31°F89 hours62.80 mm / 2.47 In6 days1019 mb / 31 In
20237°C / 45°F1°C / 35°F4°C / 40°F132 hours82.08 mm / 3.23 In7 days1019 mb / 31 In
20243°C / 37°F-2°C / 28°F0°C / 32°F84 hours82.84 mm / 3.26 In4 days1022 mb / 31 In
20251°C / 33°F-5°C / 23°F-2°C / 28°F86 hours80.50 mm / 3.17 In2 days1019 mb / 31 In

Need more than one day of Normal history?

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

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Normal

Region

Illinois

See the Normal 14-day forecast »

Hotels near Normal

Normal weather history: common questions

How far back does Normal 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 Normal 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.

Get your free weather API key in a minute

100,000 calls a month, free for commercial use. No credit card.

Sign up free Read the docs