- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On May 15 in CALUMET (CGS) the average high temperature is 64.4 °F (18.0 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1989 and the highest recored high temperature was 79.9 °F (26.6 °C) in 1988. The high temperature is usually* between 58.8 °F (14.9 °C) and 70.0 °F (21.1 °C). About a quarter of the time, the high temperature is less than 58.8 °F (14.9 °C), and another quarter of the time, the high temperature is greater than and 70.0 °F (21.1 °C). About 95% of the time, the high temperature has been between 48.1 °F (9.0 °C) and 80.6 °F (27.0 °C).
Low Temperatures
On May 15 in CALUMET (CGS) the average low temperature is 51.7 °F (10.9 °C). The lowest recored low temperature was 45.9 °F (7.7 °C) in 1989 and the lowest recored low temperature was 65.8 °F (18.8 °C) in 1988. The low temperature is usually* between 46.4 °F (8.0 °C) and 56.9 °F (13.9 °C). About a quarter of the time, the low temperature is less than 46.4 °F (8.0 °C), and another quarter of the time, the low temperature is greater than and 56.9 °F (13.9 °C). About 95% of the time, the low temperature has been between 36.3 °F (2.4 °C) and 67.0 °F (19.4 °C).
Frost
On May 15 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.6% 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 1988 to 1990