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Typical weather in Chicago, IL (Illinois), USA on February 1

High Temperatures

On February 1 in Chicago, IL (Illinois), USA the average high temperature is 33.3 °F (0.7 °C). The lowest recored high temperature was 1.0 °F (-17.2 °C) in 1971 and the highest recored high temperature was 66.0 °F (18.9 °C) in 1989. The high temperature is usually* between 25.5 °F (-3.6 °C) and 41.1 °F (5.1 °C). About a quarter of the time, the high temperature is less than 25.5 °F (-3.6 °C), and another quarter of the time, the high temperature is greater than and 41.1 °F (5.1 °C). About 95% of the time, the high temperature has been between 10.7 °F (-11.8 °C) and 56.0 °F (13.3 °C).

Low Temperatures

On February 1 in Chicago, IL (Illinois), USA the average low temperature is 19.3 °F (-7.0 °C). The lowest recored low temperature was -17.0 °F (-27.2 °C) in 2019 and the lowest recored low temperature was 48.0 °F (8.9 °C) in 1968. The low temperature is usually* between 10.5 °F (-12.0 °C) and 28.2 °F (-2.1 °C). About a quarter of the time, the low temperature is less than 10.5 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 28.2 °F (-2.1 °C). About 95% of the time, the low temperature has been between -6.3 °F (-21.3 °C) and 45.0 °F (7.2 °C).

Frost

On February 1 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 83.4% 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: