- Latitude: 41.54
- Longitude: -87.532
High Temperatures
On July 20 in this location the average high temperature is 83.7 °F (28.7 °C). The lowest recored high temperature was 68.0 °F (20.0 °C) in 1996 and the highest recored high temperature was 100.4 °F (38.0 °C) in 2011. The high temperature is usually* between 79.0 °F (26.1 °C) and 88.4 °F (31.3 °C). About a quarter of the time, the high temperature is less than 79.0 °F (26.1 °C), and another quarter of the time, the high temperature is greater than and 88.4 °F (31.3 °C). About 95% of the time, the high temperature has been between 70.1 °F (21.2 °C) and 97.3 °F (36.3 °C).
Low Temperatures
On July 20 in this location the average low temperature is 68.2 °F (20.1 °C). The lowest recored low temperature was 53.6 °F (12.0 °C) in 2009 and the lowest recored low temperature was 77.7 °F (25.4 °C) in 2022. The low temperature is usually* between 64.6 °F (18.1 °C) and 71.8 °F (22.1 °C). About a quarter of the time, the low temperature is less than 64.6 °F (18.1 °C), and another quarter of the time, the low temperature is greater than and 71.8 °F (22.1 °C). About 95% of the time, the low temperature has been between 57.8 °F (14.3 °C) and 78.6 °F (25.9 °C).
Frost
On July 20 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 1982 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 1994 to 1995
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1990