Station information
- Integrated Surface Dataset (ISD) station ID: 997255
- Country: US
- Latitude: 41.73
- Longitude: -87.54
High Temperatures
On May 19 in 9087044 - CALUMET IL the average high temperature is 68.1 °F (20.0 °C). The lowest recored high temperature was 48.2 °F (9.0 °C) in 2025 and the highest recored high temperature was 87.3 °F (30.7 °C) in 2012. The high temperature is usually* between 60.2 °F (15.7 °C) and 75.9 °F (24.4 °C). About a quarter of the time, the high temperature is less than 60.2 °F (15.7 °C), and another quarter of the time, the high temperature is greater than and 75.9 °F (24.4 °C). About 95% of the time, the high temperature has been between 45.2 °F (7.4 °C) and 90.9 °F (32.7 °C).
Low Temperatures
On May 19 in 9087044 - CALUMET IL the average low temperature is 52.2 °F (11.2 °C). The lowest recored low temperature was 42.6 °F (5.9 °C) in 2017 and the lowest recored low temperature was 65.7 °F (18.7 °C) in 2012. The low temperature is usually* between 47.2 °F (8.4 °C) and 57.2 °F (14.0 °C). About a quarter of the time, the low temperature is less than 47.2 °F (8.4 °C), and another quarter of the time, the low temperature is greater than and 57.2 °F (14.0 °C). About 95% of the time, the low temperature has been between 37.6 °F (3.1 °C) and 66.8 °F (19.3 °C).
Frost
On May 19 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