Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On May 22 in CHICAGO the average high temperature is 69.2 °F (20.7 °C). The lowest recored high temperature was 53.2 °F (11.8 °C) in 2025 and the highest recored high temperature was 84.7 °F (29.3 °C) in 2024. The high temperature is usually* between 62.4 °F (16.9 °C) and 76.1 °F (24.5 °C). About a quarter of the time, the high temperature is less than 62.4 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 76.1 °F (24.5 °C). About 95% of the time, the high temperature has been between 49.4 °F (9.6 °C) and 89.1 °F (31.7 °C).
Low Temperatures
On May 22 in CHICAGO the average low temperature is 53.7 °F (12.0 °C). The lowest recored low temperature was 45.9 °F (7.7 °C) in 2015 and the lowest recored low temperature was 65.8 °F (18.8 °C) in 2024. The low temperature is usually* between 49.2 °F (9.6 °C) and 58.2 °F (14.5 °C). About a quarter of the time, the low temperature is less than 49.2 °F (9.6 °C), and another quarter of the time, the low temperature is greater than and 58.2 °F (14.5 °C). About 95% of the time, the low temperature has been between 40.7 °F (4.8 °C) and 66.7 °F (19.3 °C).
Frost
On May 22 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.1% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025