- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On September 12 in CHICAGO / CALUMET COAST GUARD the average high temperature is 81.2 °F (27.3 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1995 and the highest recored high temperature was 84.9 °F (29.4 °C) in 1994. The high temperature is usually* between 77.9 °F (25.5 °C) and 84.5 °F (29.2 °C). About a quarter of the time, the high temperature is less than 77.9 °F (25.5 °C), and another quarter of the time, the high temperature is greater than and 84.5 °F (29.2 °C). About 95% of the time, the high temperature has been between 71.5 °F (21.9 °C) and 90.9 °F (32.7 °C).
Low Temperatures
On September 12 in CHICAGO / CALUMET COAST GUARD the average low temperature is 60.2 °F (15.7 °C). The lowest recored low temperature was 52.9 °F (11.6 °C) in 1995 and the lowest recored low temperature was 65.8 °F (18.8 °C) in 1994. The low temperature is usually* between 55.8 °F (13.2 °C) and 64.7 °F (18.2 °C). About a quarter of the time, the low temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 64.7 °F (18.2 °C). About 95% of the time, the low temperature has been between 47.3 °F (8.5 °C) and 73.2 °F (22.9 °C).
Frost
On September 12 in CHICAGO / CALUMET COAST GUARD expect the temperatures to drop below freezing for a risk of frost about 0.0% 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 1994 to 1995