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

High Temperatures

On May 1 in Chicago, IL (Illinois), USA the average high temperature is 64.6 °F (18.1 °C). The lowest recored high temperature was 44.4 °F (6.9 °C) in 2016 and the highest recored high temperature was 90.0 °F (32.2 °C) in 1951. The high temperature is usually* between 57.2 °F (14.0 °C) and 71.9 °F (22.2 °C). About a quarter of the time, the high temperature is less than 57.2 °F (14.0 °C), and another quarter of the time, the high temperature is greater than and 71.9 °F (22.2 °C). About 95% of the time, the high temperature has been between 43.3 °F (6.3 °C) and 85.9 °F (29.9 °C).

Low Temperatures

On May 1 in Chicago, IL (Illinois), USA the average low temperature is 46.0 °F (7.8 °C). The lowest recored low temperature was 29.3 °F (-1.5 °C) in 1963 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2001. The low temperature is usually* between 41.0 °F (5.0 °C) and 51.0 °F (10.5 °C). About a quarter of the time, the low temperature is less than 41.0 °F (5.0 °C), and another quarter of the time, the low temperature is greater than and 51.0 °F (10.5 °C). About 95% of the time, the low temperature has been between 31.4 °F (-0.3 °C) and 60.5 °F (15.8 °C).

Frost

On May 1 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 3.0% 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: