- Country: US
- Latitude: 41.73
- Longitude: -87.54
High Temperatures
On May 20 in 9087044 - CALUMET IL the average high temperature is 69.5 °F (20.8 °C). The lowest recored high temperature was 45.3 °F (7.4 °C) in 2015 and the highest recored high temperature was 88.2 °F (31.2 °C) in 2012. The high temperature is usually* between 61.6 °F (16.4 °C) and 77.5 °F (25.3 °C). About a quarter of the time, the high temperature is less than 61.6 °F (16.4 °C), and another quarter of the time, the high temperature is greater than and 77.5 °F (25.3 °C). About 95% of the time, the high temperature has been between 46.5 °F (8.0 °C) and 92.6 °F (33.7 °C).
Low Temperatures
On May 20 in 9087044 - CALUMET IL the average low temperature is 52.2 °F (11.2 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 2015 and the lowest recored low temperature was 68.5 °F (20.3 °C) in 2012. The low temperature is usually* between 47.3 °F (8.5 °C) and 57.1 °F (13.9 °C). About a quarter of the time, the low temperature is less than 47.3 °F (8.5 °C), and another quarter of the time, the low temperature is greater than and 57.1 °F (13.9 °C). About 95% of the time, the low temperature has been between 38.0 °F (3.3 °C) and 66.4 °F (19.1 °C).
Frost
On May 20 in 9087044 - CALUMET IL expect the temperatures to drop below freezing for a risk of frost about 0.3% 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:
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2025