January 18 - Chicago - Weather History and Averages

High Temperatures

On January 18 in Chicago, IL (Illinois), USA the average high temperature is 31.9 °F (-0.1 °C). The lowest recored high temperature was -3.1 °F (-19.5 °C) in 1994 and the highest recored high temperature was 61.0 °F (16.1 °C) in 1996. The high temperature is usually* between 24.1 °F (-4.4 °C) and 39.7 °F (4.3 °C). About a quarter of the time, the high temperature is less than 24.1 °F (-4.4 °C), and another quarter of the time, the high temperature is greater than and 39.7 °F (4.3 °C). About 95% of the time, the high temperature has been between 9.3 °F (-12.6 °C) and 54.5 °F (12.5 °C).

Low Temperatures

On January 18 in Chicago, IL (Illinois), USA the average low temperature is 17.1 °F (-8.3 °C). The lowest recored low temperature was -20.9 °F (-29.4 °C) in 1994 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1973. The low temperature is usually* between 8.1 °F (-13.3 °C) and 26.1 °F (-3.3 °C). About a quarter of the time, the low temperature is less than 8.1 °F (-13.3 °C), and another quarter of the time, the low temperature is greater than and 26.1 °F (-3.3 °C). About 95% of the time, the low temperature has been between -9.0 °F (-22.8 °C) and 43.3 °F (6.3 °C).

Frost

On January 18 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 86.8% 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: