- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On December 20 in CHICAGO / CALUMET COAST GUARD the average high temperature is 35.1 °F (1.7 °C). The lowest recored high temperature was 30.9 °F (-0.6 °C) in 1995 and the highest recored high temperature was 30.9 °F (-0.6 °C) in 1995. The high temperature is usually* between 31.2 °F (-0.4 °C) and 39.0 °F (3.9 °C). About a quarter of the time, the high temperature is less than 31.2 °F (-0.4 °C), and another quarter of the time, the high temperature is greater than and 39.0 °F (3.9 °C). About 95% of the time, the high temperature has been between 23.8 °F (-4.6 °C) and 46.4 °F (8.0 °C).
Low Temperatures
On December 20 in CHICAGO / CALUMET COAST GUARD the average low temperature is 26.7 °F (-2.9 °C). The lowest recored low temperature was 23.9 °F (-4.5 °C) in 1995 and the lowest recored low temperature was 23.9 °F (-4.5 °C) in 1995. The low temperature is usually* between 23.2 °F (-4.9 °C) and 30.3 °F (-0.9 °C). About a quarter of the time, the low temperature is less than 23.2 °F (-4.9 °C), and another quarter of the time, the low temperature is greater than and 30.3 °F (-0.9 °C). About 95% of the time, the low temperature has been between 16.4 °F (-8.7 °C) and 37.1 °F (2.8 °C).
Frost
On December 20 in CHICAGO / CALUMET COAST GUARD expect the temperatures to drop below freezing for a risk of frost about 84.0% 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:
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1995 to 1995