- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On April 18 in CALUMET (CGS) the average high temperature is 50.0 °F (10.0 °C). The lowest recored high temperature was 37.9 °F (3.3 °C) in 1989 and the highest recored high temperature was 47.8 °F (8.8 °C) in 1990. The high temperature is usually* between 44.0 °F (6.6 °C) and 56.1 °F (13.4 °C). About a quarter of the time, the high temperature is less than 44.0 °F (6.6 °C), and another quarter of the time, the high temperature is greater than and 56.1 °F (13.4 °C). About 95% of the time, the high temperature has been between 32.3 °F (0.2 °C) and 67.8 °F (19.9 °C).
Low Temperatures
On April 18 in CALUMET (CGS) the average low temperature is 36.1 °F (2.3 °C). The lowest recored low temperature was 31.1 °F (-0.5 °C) in 1990 and the lowest recored low temperature was 36.0 °F (2.2 °C) in 1989. The low temperature is usually* between 33.6 °F (0.9 °C) and 38.7 °F (3.7 °C). About a quarter of the time, the low temperature is less than 33.6 °F (0.9 °C), and another quarter of the time, the low temperature is greater than and 38.7 °F (3.7 °C). About 95% of the time, the low temperature has been between 28.7 °F (-1.8 °C) and 43.5 °F (6.4 °C).
Frost
On April 18 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 13.9% 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