March 31 - Chicago - Weather History and Averages

High Temperatures

On March 31 in Chicago, IL (Illinois), USA the average high temperature is 53.2 °F (11.8 °C). The lowest recored high temperature was 30.9 °F (-0.6 °C) in 1969 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1986. The high temperature is usually* between 45.2 °F (7.3 °C) and 61.1 °F (16.2 °C). About a quarter of the time, the high temperature is less than 45.2 °F (7.3 °C), and another quarter of the time, the high temperature is greater than and 61.1 °F (16.2 °C). About 95% of the time, the high temperature has been between 30.1 °F (-1.1 °C) and 76.3 °F (24.6 °C).

Low Temperatures

On March 31 in Chicago, IL (Illinois), USA the average low temperature is 35.9 °F (2.2 °C). The lowest recored low temperature was 12.0 °F (-11.1 °C) in 1969 and the lowest recored low temperature was 62.1 °F (16.7 °C) in 1967. The low temperature is usually* between 30.3 °F (-0.9 °C) and 41.5 °F (5.3 °C). About a quarter of the time, the low temperature is less than 30.3 °F (-0.9 °C), and another quarter of the time, the low temperature is greater than and 41.5 °F (5.3 °C). About 95% of the time, the low temperature has been between 19.6 °F (-6.9 °C) and 52.2 °F (11.2 °C).

Frost

On March 31 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 31.9% 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: