- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On August 21 in CALUMET (CGS) the average high temperature is 78.7 °F (26.0 °C). The lowest recored high temperature was 74.8 °F (23.8 °C) in 1988 and the highest recored high temperature was 77.9 °F (25.5 °C) in 1989. The high temperature is usually* between 76.5 °F (24.7 °C) and 81.0 °F (27.2 °C). About a quarter of the time, the high temperature is less than 76.5 °F (24.7 °C), and another quarter of the time, the high temperature is greater than and 81.0 °F (27.2 °C). About 95% of the time, the high temperature has been between 72.2 °F (22.3 °C) and 85.2 °F (29.6 °C).
Low Temperatures
On August 21 in CALUMET (CGS) the average low temperature is 67.9 °F (19.9 °C). The lowest recored low temperature was 64.9 °F (18.3 °C) in 1989 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1988. The low temperature is usually* between 66.5 °F (19.2 °C) and 69.2 °F (20.7 °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 69.2 °F (20.7 °C). About 95% of the time, the low temperature has been between 63.9 °F (17.7 °C) and 71.9 °F (22.1 °C).
Frost
On August 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