Station information
- Integrated Surface Dataset (ISD) station ID: 997255
- Country: US
- Latitude: 41.73
- Longitude: -87.54
High Temperatures
On May 16 in 9087044 - CALUMET IL the average high temperature is 66.1 °F (18.9 °C). The lowest recored high temperature was 45.3 °F (7.4 °C) in 2011 and the highest recored high temperature was 88.0 °F (31.1 °C) in 2025. The high temperature is usually* between 57.9 °F (14.4 °C) and 74.2 °F (23.5 °C). About a quarter of the time, the high temperature is less than 57.9 °F (14.4 °C), and another quarter of the time, the high temperature is greater than and 74.2 °F (23.5 °C). About 95% of the time, the high temperature has been between 42.4 °F (5.8 °C) and 89.7 °F (32.1 °C).
Low Temperatures
On May 16 in 9087044 - CALUMET IL the average low temperature is 51.0 °F (10.6 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 2014 and the lowest recored low temperature was 63.9 °F (17.7 °C) in 2025. The low temperature is usually* between 46.3 °F (7.9 °C) and 55.8 °F (13.2 °C). About a quarter of the time, the low temperature is less than 46.3 °F (7.9 °C), and another quarter of the time, the low temperature is greater than and 55.8 °F (13.2 °C). About 95% of the time, the low temperature has been between 37.3 °F (3.0 °C) and 64.7 °F (18.2 °C).
Frost
On May 16 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