- Latitude: 41.617
- Longitude: -87.417
High Temperatures
On July 31 in this location the average high temperature is 81.7 °F (27.6 °C). The lowest recored high temperature was 70.0 °F (21.1 °C) in 1989 and the highest recored high temperature was 96.8 °F (36.0 °C) in 2006. The high temperature is usually* between 77.5 °F (25.3 °C) and 85.9 °F (29.9 °C). About a quarter of the time, the high temperature is less than 77.5 °F (25.3 °C), and another quarter of the time, the high temperature is greater than and 85.9 °F (29.9 °C). About 95% of the time, the high temperature has been between 69.5 °F (20.8 °C) and 93.9 °F (34.4 °C).
Low Temperatures
On July 31 in this location the average low temperature is 68.1 °F (20.0 °C). The lowest recored low temperature was 53.6 °F (12.0 °C) in 2014 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2006. The low temperature is usually* between 64.7 °F (18.1 °C) and 71.5 °F (21.9 °C). About a quarter of the time, the low temperature is less than 64.7 °F (18.1 °C), and another quarter of the time, the low temperature is greater than and 71.5 °F (21.9 °C). About 95% of the time, the low temperature has been between 58.2 °F (14.5 °C) and 78.0 °F (25.6 °C).
Frost
On July 31 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
- BURNS HARBOR — Integrated Surface Dataset (ISD) station ID: 997787 — from year 2007 to 2025
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 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/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1994
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1989
- CHICAGO MEIGS FIELD — Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1969