Station information
- Integrated Surface Dataset (ISD) station ID: 722418
- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On July 21 in CALUMET (CGS) the average high temperature is 78.1 °F (25.6 °C). The lowest recored high temperature was 68.9 °F (20.5 °C) in 1989 and the highest recored high temperature was 88.9 °F (31.6 °C) in 1987. The high temperature is usually* between 72.2 °F (22.3 °C) and 83.9 °F (28.8 °C). About a quarter of the time, the high temperature is less than 72.2 °F (22.3 °C), and another quarter of the time, the high temperature is greater than and 83.9 °F (28.8 °C). About 95% of the time, the high temperature has been between 61.1 °F (16.2 °C) and 95.1 °F (35.0 °C).
Low Temperatures
On July 21 in CALUMET (CGS) the average low temperature is 69.1 °F (20.6 °C). The lowest recored low temperature was 64.9 °F (18.3 °C) in 1989 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1988. The low temperature is usually* between 66.5 °F (19.2 °C) and 71.7 °F (22.0 °C). About a quarter of the time, the low temperature is less than 66.5 °F (19.2 °C), and another quarter of the time, the low temperature is greater than and 71.7 °F (22.0 °C). About 95% of the time, the low temperature has been between 61.5 °F (16.4 °C) and 76.6 °F (24.8 °C).
Frost
On July 21 in CALUMET (CGS) 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:
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989