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Typical weather in Chicago, IL (Illinois), USA on January 31

High Temperatures

On January 31 in Chicago, IL (Illinois), USA the average high temperature is 32.9 °F (0.5 °C). The lowest recored high temperature was -4.0 °F (-20.0 °C) in 2019 and the highest recored high temperature was 64.9 °F (18.3 °C) in 1989. The high temperature is usually* between 24.5 °F (-4.1 °C) and 41.2 °F (5.1 °C). About a quarter of the time, the high temperature is less than 24.5 °F (-4.1 °C), and another quarter of the time, the high temperature is greater than and 41.2 °F (5.1 °C). About 95% of the time, the high temperature has been between 8.6 °F (-13.0 °C) and 57.1 °F (13.9 °C).

Low Temperatures

On January 31 in Chicago, IL (Illinois), USA the average low temperature is 18.8 °F (-7.3 °C). The lowest recored low temperature was -22.0 °F (-30.0 °C) in 2019 and the lowest recored low temperature was 50.9 °F (10.5 °C) in 1988. The low temperature is usually* between 9.6 °F (-12.4 °C) and 28.1 °F (-2.2 °C). About a quarter of the time, the low temperature is less than 9.6 °F (-12.4 °C), and another quarter of the time, the low temperature is greater than and 28.1 °F (-2.2 °C). About 95% of the time, the low temperature has been between -8.0 °F (-22.2 °C) and 45.6 °F (7.6 °C).

Frost

On January 31 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 83.2% 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: