Waterloo December Weather Averages

Iowa, United States of America

December Weather Averages for Waterloo

High Temp0°C33°F
Low Temp-6°C21°F
Avg Temp-3°C27°F
Sunshine Hours140 hours 
Rainfall58.89 mm2.32 In
Rain days6 days 
Pressure1019 mb31 In

 

Waterloo December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
2009-3°C / 27°F-10°C / 14°F-6°C / 20°F74 hours83.73 mm / 3.30 In10 days1018 mb / 31 In
2010-4°C / 24°F-11°C / 13°F-7°C / 19°F71 hours56.34 mm / 2.22 In10 days1021 mb / 31 In
20113°C / 37°F-4°C / 25°F-1°C / 31°F221 hours80.72 mm / 3.18 In4 days1021 mb / 31 In
20121°C / 34°F-6°C / 22°F-2°C / 28°F133 hours58.33 mm / 2.30 In7 days1017 mb / 31 In
2013-4°C / 24°F-12°C / 10°F-8°C / 17°F126 hours32.89 mm / 1.29 In10 days1021 mb / 31 In
20141°C / 33°F-4°C / 24°F-2°C / 29°F114 hours29.92 mm / 1.18 In4 days1023 mb / 31 In
20154°C / 39°F-2°C / 29°F1°C / 34°F131 hours137.32 mm / 5.41 In7 days1015 mb / 30 In
2016-2°C / 28°F-9°C / 16°F-6°C / 22°F126 hours52.77 mm / 2.08 In8 days1022 mb / 31 In
2017-1°C / 30°F-7°C / 19°F-4°C / 25°F183 hours13.94 mm / 0.55 In4 days1022 mb / 31 In
20182°C / 35°F-4°C / 25°F-1°C / 30°F181 hours58.99 mm / 2.32 In6 days1019 mb / 31 In
20193°C / 37°F-5°C / 23°F-1°C / 30°F157 hours39.22 mm / 1.54 In4 days1017 mb / 31 In
20201°C / 34°F-6°C / 21°F-3°C / 27°F195 hours31.64 mm / 1.25 In4 days1018 mb / 31 In
20215°C / 41°F-4°C / 26°F0°C / 33°F215 hours39.20 mm / 1.54 In7 days1014 mb / 30 In
2022-1°C / 31°F-9°C / 17°F-5°C / 23°F120 hours53.80 mm / 2.12 In11 days1019 mb / 31 In
20236°C / 43°F-1°C / 31°F2°C / 36°F139 hours50.38 mm / 1.98 In7 days1018 mb / 31 In
20240°C / 32°F-5°C / 24°F-2°C / 28°F112 hours68.90 mm / 2.71 In2 days1021 mb / 31 In
2025-2°C / 28°F-8°C / 17°F-5°C / 23°F76 hours113.00 mm / 4.45 In1 days1018 mb / 31 In

Need more than one day of Waterloo history?

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

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Waterloo weather history: common questions

How far back does Waterloo 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 Waterloo 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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