Station information
- Integrated Surface Dataset (ISD) station ID: 997255
- Country: US
- Latitude: 41.73
- Longitude: -87.54
High Temperatures
On July 21 in 9087044 - CALUMET IL the average high temperature is 81.6 °F (27.5 °C). The lowest recored high temperature was 69.4 °F (20.8 °C) in 2007 and the highest recored high temperature was 100.0 °F (37.8 °C) in 2011. The high temperature is usually* between 76.9 °F (24.9 °C) and 86.3 °F (30.2 °C). About a quarter of the time, the high temperature is less than 76.9 °F (24.9 °C), and another quarter of the time, the high temperature is greater than and 86.3 °F (30.2 °C). About 95% of the time, the high temperature has been between 67.9 °F (19.9 °C) and 95.3 °F (35.1 °C).
Low Temperatures
On July 21 in 9087044 - CALUMET IL the average low temperature is 70.0 °F (21.1 °C). The lowest recored low temperature was 63.7 °F (17.6 °C) in 2009 and the lowest recored low temperature was 86.2 °F (30.1 °C) in 2022. The low temperature is usually* between 67.1 °F (19.5 °C) and 72.9 °F (22.7 °C). About a quarter of the time, the low temperature is less than 67.1 °F (19.5 °C), and another quarter of the time, the low temperature is greater than and 72.9 °F (22.7 °C). About 95% of the time, the low temperature has been between 61.6 °F (16.4 °C) and 78.4 °F (25.8 °C).
Frost
On July 21 in 9087044 - CALUMET IL expect the temperatures to drop below freezing for a risk of frost about 0.0% 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