- Latitude: 41.54
- Longitude: -87.532
High Temperatures
On August 1 in this location the average high temperature is 83.4 °F (28.6 °C). The lowest recored high temperature was 72.5 °F (22.5 °C) in 2025 and the highest recored high temperature was 100.0 °F (37.8 °C) in 1988. The high temperature is usually* between 79.2 °F (26.2 °C) and 87.6 °F (30.9 °C). About a quarter of the time, the high temperature is less than 79.2 °F (26.2 °C), and another quarter of the time, the high temperature is greater than and 87.6 °F (30.9 °C). About 95% of the time, the high temperature has been between 71.2 °F (21.8 °C) and 95.6 °F (35.4 °C).
Low Temperatures
On August 1 in this location the average low temperature is 66.8 °F (19.3 °C). The lowest recored low temperature was 53.1 °F (11.7 °C) in 1990 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2006. The low temperature is usually* between 62.9 °F (17.2 °C) and 70.6 °F (21.5 °C). About a quarter of the time, the low temperature is less than 62.9 °F (17.2 °C), and another quarter of the time, the low temperature is greater than and 70.6 °F (21.5 °C). About 95% of the time, the low temperature has been between 55.5 °F (13.1 °C) and 78.0 °F (25.6 °C).
Frost
On August 1 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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:
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2025
- LANSING MUNICIPAL AP — Integrated Surface Dataset (ISD) station ID: 722126 — Weather Bureau Army Navy (WBAN): 04879 — from year 2006 to 2025
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005
- LANSING MUNI — Integrated Surface Dataset (ISD) station ID: 722126 — from year 2004 to 2005
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1995 to 1995
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1988 to 1989