- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On May 18 in CALUMET (CGS) the average high temperature is 65.8 °F (18.8 °C). The lowest recored high temperature was 52.9 °F (11.6 °C) in 1988 and the highest recored high temperature was 72.9 °F (22.7 °C) in 1990. The high temperature is usually* between 59.5 °F (15.3 °C) and 72.1 °F (22.3 °C). About a quarter of the time, the high temperature is less than 59.5 °F (15.3 °C), and another quarter of the time, the high temperature is greater than and 72.1 °F (22.3 °C). About 95% of the time, the high temperature has been between 47.5 °F (8.6 °C) and 84.0 °F (28.9 °C).
Low Temperatures
On May 18 in CALUMET (CGS) the average low temperature is 52.1 °F (11.2 °C). The lowest recored low temperature was 46.9 °F (8.3 °C) in 1988 and the lowest recored low temperature was 55.9 °F (13.3 °C) in 1989. The low temperature is usually* between 47.9 °F (8.8 °C) and 56.4 °F (13.6 °C). About a quarter of the time, the low temperature is less than 47.9 °F (8.8 °C), and another quarter of the time, the low temperature is greater than and 56.4 °F (13.6 °C). About 95% of the time, the low temperature has been between 39.8 °F (4.3 °C) and 64.5 °F (18.1 °C).
Frost
On May 18 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.1% 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:
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1988 to 1990