- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On December 12 in CHICAGO the average high temperature is 37.2 °F (2.9 °C). The lowest recored high temperature was 19.8 °F (-6.8 °C) in 2013 and the highest recored high temperature was 48.7 °F (9.3 °C) in 2021. The high temperature is usually* between 31.5 °F (-0.3 °C) and 42.9 °F (6.0 °C). About a quarter of the time, the high temperature is less than 31.5 °F (-0.3 °C), and another quarter of the time, the high temperature is greater than and 42.9 °F (6.0 °C). About 95% of the time, the high temperature has been between 20.6 °F (-6.3 °C) and 53.7 °F (12.1 °C).
Low Temperatures
On December 12 in CHICAGO the average low temperature is 27.1 °F (-2.7 °C). The lowest recored low temperature was 2.1 °F (-16.6 °C) in 2013 and the lowest recored low temperature was 40.1 °F (4.5 °C) in 2006. The low temperature is usually* between 20.7 °F (-6.3 °C) and 33.4 °F (0.8 °C). About a quarter of the time, the low temperature is less than 20.7 °F (-6.3 °C), and another quarter of the time, the low temperature is greater than and 33.4 °F (0.8 °C). About 95% of the time, the low temperature has been between 8.7 °F (-13.0 °C) and 45.4 °F (7.5 °C).
Frost
On December 12 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 70.1% 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 — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2024