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Typical weather in Chicago, IL (Illinois), USA on December 27

High Temperatures

On December 27 in Chicago, IL (Illinois), USA the average high temperature is 35.7 °F (2.1 °C). The lowest recored high temperature was 7.0 °F (-13.9 °C) in 2017 and the highest recored high temperature was 64.4 °F (18.0 °C) in 2008. The high temperature is usually* between 28.3 °F (-2.0 °C) and 43.0 °F (6.1 °C). About a quarter of the time, the high temperature is less than 28.3 °F (-2.0 °C), and another quarter of the time, the high temperature is greater than and 43.0 °F (6.1 °C). About 95% of the time, the high temperature has been between 14.4 °F (-9.8 °C) and 57.0 °F (13.9 °C).

Low Temperatures

On December 27 in Chicago, IL (Illinois), USA the average low temperature is 22.2 °F (-5.5 °C). The lowest recored low temperature was -18.9 °F (-28.3 °C) in 1950 and the lowest recored low temperature was 52.0 °F (11.1 °C) in 1959. The low temperature is usually* between 14.1 °F (-9.9 °C) and 30.2 °F (-1.0 °C). About a quarter of the time, the low temperature is less than 14.1 °F (-9.9 °C), and another quarter of the time, the low temperature is greater than and 30.2 °F (-1.0 °C). About 95% of the time, the low temperature has been between -1.1 °F (-18.4 °C) and 45.4 °F (7.4 °C).

Frost

On December 27 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 79.7% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

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