- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On October 20 in CALUMET (CGS) the average high temperature is 47.1 °F (8.4 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 1989 and the highest recored high temperature was 50.9 °F (10.5 °C) in 1987. The high temperature is usually* between 41.1 °F (5.1 °C) and 53.0 °F (11.7 °C). About a quarter of the time, the high temperature is less than 41.1 °F (5.1 °C), and another quarter of the time, the high temperature is greater than and 53.0 °F (11.7 °C). About 95% of the time, the high temperature has been between 29.8 °F (-1.2 °C) and 64.3 °F (18.0 °C).
Low Temperatures
On October 20 in CALUMET (CGS) the average low temperature is 38.9 °F (3.8 °C). The lowest recored low temperature was 32.9 °F (0.5 °C) in 1989 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 1987. The low temperature is usually* between 34.4 °F (1.3 °C) and 43.3 °F (6.3 °C). About a quarter of the time, the low temperature is less than 34.4 °F (1.3 °C), and another quarter of the time, the low temperature is greater than and 43.3 °F (6.3 °C). About 95% of the time, the low temperature has been between 25.9 °F (-3.4 °C) and 51.8 °F (11.0 °C).
Frost
On October 20 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 14.9% 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