- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On August 18 in CALUMET (CGS) the average high temperature is 81.4 °F (27.5 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1989 and the highest recored high temperature was 94.8 °F (34.9 °C) in 1988. The high temperature is usually* between 75.5 °F (24.2 °C) and 87.4 °F (30.8 °C). About a quarter of the time, the high temperature is less than 75.5 °F (24.2 °C), and another quarter of the time, the high temperature is greater than and 87.4 °F (30.8 °C). About 95% of the time, the high temperature has been between 64.2 °F (17.9 °C) and 98.7 °F (37.0 °C).
Low Temperatures
On August 18 in CALUMET (CGS) the average low temperature is 68.2 °F (20.1 °C). The lowest recored low temperature was 61.9 °F (16.6 °C) in 1989 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 1988. The low temperature is usually* between 63.7 °F (17.6 °C) and 72.8 °F (22.7 °C). About a quarter of the time, the low temperature is less than 63.7 °F (17.6 °C), and another quarter of the time, the low temperature is greater than and 72.8 °F (22.7 °C). About 95% of the time, the low temperature has been between 55.1 °F (12.8 °C) and 81.4 °F (27.4 °C).
Frost
On August 18 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