December 19 - Chicago - Weather History and Averages

High Temperatures

On December 19 in Chicago, IL (Illinois), USA the average high temperature is 34.5 °F (1.4 °C). The lowest recored high temperature was 2.3 °F (-16.5 °C) in 1963 and the highest recored high temperature was 55.9 °F (13.3 °C) in 1957. The high temperature is usually* between 27.3 °F (-2.6 °C) and 41.7 °F (5.4 °C). About a quarter of the time, the high temperature is less than 27.3 °F (-2.6 °C), and another quarter of the time, the high temperature is greater than and 41.7 °F (5.4 °C). About 95% of the time, the high temperature has been between 13.7 °F (-10.2 °C) and 55.3 °F (12.9 °C).

Low Temperatures

On December 19 in Chicago, IL (Illinois), USA the average low temperature is 21.6 °F (-5.8 °C). The lowest recored low temperature was -14.1 °F (-25.6 °C) in 1983 and the lowest recored low temperature was 42.8 °F (6.0 °C) in 2011. The low temperature is usually* between 13.4 °F (-10.3 °C) and 29.7 °F (-1.3 °C). About a quarter of the time, the low temperature is less than 13.4 °F (-10.3 °C), and another quarter of the time, the low temperature is greater than and 29.7 °F (-1.3 °C). About 95% of the time, the low temperature has been between -2.1 °F (-18.9 °C) and 45.2 °F (7.3 °C).

Frost

On December 19 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 80.6% 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: