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

High Temperatures

On December 1 in Chicago, IL (Illinois), USA the average high temperature is 42.2 °F (5.7 °C). The lowest recored high temperature was 21.2 °F (-6.0 °C) in 1976 and the highest recored high temperature was 70.0 °F (21.1 °C) in 1970. The high temperature is usually* between 35.5 °F (2.0 °C) and 48.8 °F (9.4 °C). About a quarter of the time, the high temperature is less than 35.5 °F (2.0 °C), and another quarter of the time, the high temperature is greater than and 48.8 °F (9.4 °C). About 95% of the time, the high temperature has been between 22.9 °F (-5.1 °C) and 61.5 °F (16.4 °C).

Low Temperatures

On December 1 in Chicago, IL (Illinois), USA the average low temperature is 28.5 °F (-2.0 °C). The lowest recored low temperature was 3.9 °F (-15.6 °C) in 1976 and the lowest recored low temperature was 50.0 °F (10.0 °C) in 1982. The low temperature is usually* between 22.2 °F (-5.4 °C) and 34.8 °F (1.5 °C). About a quarter of the time, the low temperature is less than 22.2 °F (-5.4 °C), and another quarter of the time, the low temperature is greater than and 34.8 °F (1.5 °C). About 95% of the time, the low temperature has been between 10.2 °F (-12.1 °C) and 46.7 °F (8.2 °C).

Frost

On December 1 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 64.7% 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: