- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On April 20 in CALUMET (CGS) the average high temperature is 56.3 °F (13.5 °C). The lowest recored high temperature was 59.9 °F (15.5 °C) in 1990 and the highest recored high temperature was 59.9 °F (15.5 °C) in 1990. The high temperature is usually* between 50.4 °F (10.2 °C) and 62.2 °F (16.8 °C). About a quarter of the time, the high temperature is less than 50.4 °F (10.2 °C), and another quarter of the time, the high temperature is greater than and 62.2 °F (16.8 °C). About 95% of the time, the high temperature has been between 39.1 °F (3.9 °C) and 73.5 °F (23.1 °C).
Low Temperatures
On April 20 in CALUMET (CGS) the average low temperature is 43.1 °F (6.2 °C). The lowest recored low temperature was 41.9 °F (5.5 °C) in 1989 and the lowest recored low temperature was 52.0 °F (11.1 °C) in 1990. The low temperature is usually* between 39.0 °F (3.9 °C) and 47.3 °F (8.5 °C). About a quarter of the time, the low temperature is less than 39.0 °F (3.9 °C), and another quarter of the time, the low temperature is greater than and 47.3 °F (8.5 °C). About 95% of the time, the low temperature has been between 31.0 °F (-0.5 °C) and 55.3 °F (12.9 °C).
Frost
On April 20 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 3.6% 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:
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1989 to 1990