- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On December 18 in CALUMET (CGS) the average high temperature is 26.4 °F (-3.1 °C). The lowest recored high temperature was 17.1 °F (-8.3 °C) in 1989 and the highest recored high temperature was 34.0 °F (1.1 °C) in 1988. The high temperature is usually* between 17.9 °F (-7.8 °C) and 34.9 °F (1.6 °C). About a quarter of the time, the high temperature is less than 17.9 °F (-7.8 °C), and another quarter of the time, the high temperature is greater than and 34.9 °F (1.6 °C). About 95% of the time, the high temperature has been between 1.7 °F (-16.8 °C) and 51.1 °F (10.6 °C).
Low Temperatures
On December 18 in CALUMET (CGS) the average low temperature is 15.4 °F (-9.2 °C). The lowest recored low temperature was 3.0 °F (-16.1 °C) in 1989 and the lowest recored low temperature was 20.1 °F (-6.6 °C) in 1987. The low temperature is usually* between 8.5 °F (-13.1 °C) and 22.3 °F (-5.4 °C). About a quarter of the time, the low temperature is less than 8.5 °F (-13.1 °C), and another quarter of the time, the low temperature is greater than and 22.3 °F (-5.4 °C). About 95% of the time, the low temperature has been between -4.7 °F (-20.4 °C) and 35.5 °F (1.9 °C).
Frost
On December 18 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 94.7% 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