- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On April 20 in CHICAGO / CALUMET COAST GUARD the average high temperature is 65.4 °F (18.5 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1994 and the highest recored high temperature was 70.9 °F (21.6 °C) in 1996. The high temperature is usually* between 58.4 °F (14.6 °C) and 72.4 °F (22.4 °C). About a quarter of the time, the high temperature is less than 58.4 °F (14.6 °C), and another quarter of the time, the high temperature is greater than and 72.4 °F (22.4 °C). About 95% of the time, the high temperature has been between 45.0 °F (7.2 °C) and 85.7 °F (29.8 °C).
Low Temperatures
On April 20 in CHICAGO / CALUMET COAST GUARD the average low temperature is 43.8 °F (6.5 °C). The lowest recored low temperature was 43.9 °F (6.6 °C) in 1994 and the lowest recored low temperature was 47.8 °F (8.8 °C) in 1996. The low temperature is usually* between 42.2 °F (5.7 °C) and 45.4 °F (7.4 °C). About a quarter of the time, the low temperature is less than 42.2 °F (5.7 °C), and another quarter of the time, the low temperature is greater than and 45.4 °F (7.4 °C). About 95% of the time, the low temperature has been between 39.2 °F (4.0 °C) and 48.4 °F (9.1 °C).
Frost
On April 20 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 1996