Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 12 in CHICAGO the average high temperature is 32.8 °F (0.4 °C). The lowest recored high temperature was 22.3 °F (-5.4 °C) in 2016 and the highest recored high temperature was 51.3 °F (10.7 °C) in 2023. The high temperature is usually* between 26.2 °F (-3.2 °C) and 39.4 °F (4.1 °C). About a quarter of the time, the high temperature is less than 26.2 °F (-3.2 °C), and another quarter of the time, the high temperature is greater than and 39.4 °F (4.1 °C). About 95% of the time, the high temperature has been between 13.7 °F (-10.2 °C) and 51.9 °F (11.1 °C).
Low Temperatures
On February 12 in CHICAGO the average low temperature is 22.0 °F (-5.5 °C). The lowest recored low temperature was 9.3 °F (-12.6 °C) in 2014 and the lowest recored low temperature was 36.1 °F (2.3 °C) in 2023. The low temperature is usually* between 15.8 °F (-9.0 °C) and 28.2 °F (-2.1 °C). About a quarter of the time, the low temperature is less than 15.8 °F (-9.0 °C), and another quarter of the time, the low temperature is greater than and 28.2 °F (-2.1 °C). About 95% of the time, the low temperature has been between 4.0 °F (-15.6 °C) and 40.1 °F (4.5 °C).
Frost
On February 12 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 86.1% 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 2007 to 2025