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Typical weather in Chicago, IL (Illinois), USA on December 17

High Temperatures

On December 17 in Chicago, IL (Illinois), USA, the average high temperature is 34.9 °F (1.6 °C). The lowest recored high temperature was 8.1 °F (-13.3 °C) in 1945 and the highest recored high temperature was 60.1 °F (15.6 °C) in 1977. The high temperature is usually* between 27.6 °F (-2.4 °C) and 42.3 °F (5.7 °C). About a quarter of the time, the high temperature is less than 27.6 °F (-2.4 °C), and another quarter of the time, the high temperature is greater than and 42.3 °F (5.7 °C). About 95% of the time, the high temperature has been between 13.6 °F (-10.2 °C) and 56.3 °F (13.5 °C).

Low Temperatures

On December 17 in Chicago, IL (Illinois), USA, the average low temperature is 22.2 °F (-5.4 °C). The lowest recored low temperature was -11.0 °F (-23.9 °C) in 1951 and the lowest recored low temperature was 48.0 °F (8.9 °C) in 2006. The low temperature is usually* between 14.0 °F (-10.0 °C) and 30.4 °F (-0.9 °C). About a quarter of the time, the low temperature is less than 14.0 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 30.4 °F (-0.9 °C). About 95% of the time, the low temperature has been between -1.6 °F (-18.7 °C) and 46.0 °F (7.8 °C).

Frost

On December 17 in Chicago, IL (Illinois), USA, expect the temperatures to drop below freezing for a risk of frost about 79.0% of the time.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: