Station information
- Integrated Surface Dataset (ISD) station ID: 725344
- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On May 20 in CHICAGO / CALUMET COAST GUARD the average high temperature is 74.4 °F (23.6 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1994 and the highest recored high temperature was 91.9 °F (33.3 °C) in 1996. The high temperature is usually* between 65.2 °F (18.4 °C) and 83.7 °F (28.7 °C). About a quarter of the time, the high temperature is less than 65.2 °F (18.4 °C), and another quarter of the time, the high temperature is greater than and 83.7 °F (28.7 °C). About 95% of the time, the high temperature has been between 47.6 °F (8.7 °C) and 101.2 °F (38.5 °C).
Low Temperatures
On May 20 in CHICAGO / CALUMET COAST GUARD the average low temperature is 54.6 °F (12.5 °C). The lowest recored low temperature was 47.8 °F (8.8 °C) in 1994 and the lowest recored low temperature was 54.9 °F (12.7 °C) in 1996. The low temperature is usually* between 47.0 °F (8.3 °C) and 62.1 °F (16.7 °C). About a quarter of the time, the low temperature is less than 47.0 °F (8.3 °C), and another quarter of the time, the low temperature is greater than and 62.1 °F (16.7 °C). About 95% of the time, the low temperature has been between 32.7 °F (0.4 °C) and 76.5 °F (24.7 °C).
Frost
On May 20 in CHICAGO / CALUMET COAST GUARD expect the temperatures to drop below freezing for a risk of frost about 2.2% 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 / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1996