Station information
- Integrated Surface Dataset (ISD) station ID: 722418
- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On May 12 in CALUMET (CGS) the average high temperature is 57.4 °F (14.1 °C). The lowest recored high temperature was 46.9 °F (8.3 °C) in 1989 and the highest recored high temperature was 75.9 °F (24.4 °C) in 1988. The high temperature is usually* between 49.3 °F (9.6 °C) and 65.4 °F (18.6 °C). About a quarter of the time, the high temperature is less than 49.3 °F (9.6 °C), and another quarter of the time, the high temperature is greater than and 65.4 °F (18.6 °C). About 95% of the time, the high temperature has been between 34.0 °F (1.1 °C) and 80.7 °F (27.1 °C).
Low Temperatures
On May 12 in CALUMET (CGS) the average low temperature is 46.3 °F (8.0 °C). The lowest recored low temperature was 43.0 °F (6.1 °C) in 1989 and the lowest recored low temperature was 55.9 °F (13.3 °C) in 1988. The low temperature is usually* between 43.2 °F (6.2 °C) and 49.4 °F (9.7 °C). About a quarter of the time, the low temperature is less than 43.2 °F (6.2 °C), and another quarter of the time, the low temperature is greater than and 49.4 °F (9.7 °C). About 95% of the time, the low temperature has been between 37.3 °F (3.0 °C) and 55.4 °F (13.0 °C).
Frost
On May 12 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