May 16 - Chicago - Weather History and Averages

High Temperatures

On May 16 in Chicago, IL (Illinois), USA the average high temperature is 70.0 °F (21.1 °C). The lowest recored high temperature was 43.3 °F (6.3 °C) in 2011 and the highest recored high temperature was 93.9 °F (34.4 °C) in 2025. The high temperature is usually* between 62.7 °F (17.0 °C) and 77.4 °F (25.2 °C). About a quarter of the time, the high temperature is less than 62.7 °F (17.0 °C), and another quarter of the time, the high temperature is greater than and 77.4 °F (25.2 °C). About 95% of the time, the high temperature has been between 48.7 °F (9.3 °C) and 91.4 °F (33.0 °C).

Low Temperatures

On May 16 in Chicago, IL (Illinois), USA the average low temperature is 50.5 °F (10.3 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 2016 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1991. The low temperature is usually* between 45.6 °F (7.6 °C) and 55.4 °F (13.0 °C). About a quarter of the time, the low temperature is less than 45.6 °F (7.6 °C), and another quarter of the time, the low temperature is greater than and 55.4 °F (13.0 °C). About 95% of the time, the low temperature has been between 36.3 °F (2.4 °C) and 64.8 °F (18.2 °C).

Frost

On May 16 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 0.5% 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: