- Latitude: 41.65
- Longitude: -87.15
High Temperatures
On June 30 in this location the average high temperature is 79.8 °F (26.5 °C). The lowest recored high temperature was 62.1 °F (16.7 °C) in 1982 and the highest recored high temperature was 95.0 °F (35.0 °C) in 2002. The high temperature is usually* between 74.9 °F (23.8 °C) and 84.6 °F (29.2 °C). About a quarter of the time, the high temperature is less than 74.9 °F (23.8 °C), and another quarter of the time, the high temperature is greater than and 84.6 °F (29.2 °C). About 95% of the time, the high temperature has been between 65.7 °F (18.7 °C) and 93.9 °F (34.4 °C).
Low Temperatures
On June 30 in this location the average low temperature is 64.0 °F (17.8 °C). The lowest recored low temperature was 50.0 °F (10.0 °C) in 2016 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2018. The low temperature is usually* between 60.3 °F (15.7 °C) and 67.7 °F (19.9 °C). About a quarter of the time, the low temperature is less than 60.3 °F (15.7 °C), and another quarter of the time, the low temperature is greater than and 67.7 °F (19.9 °C). About 95% of the time, the low temperature has been between 53.3 °F (11.8 °C) and 74.8 °F (23.8 °C).
Frost
On June 30 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
- MICHIGAN CITY — Integrated Surface Dataset (ISD) station ID: 997339 — from year 2005 to 2025
- PORTER COUNTY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 725327 — Weather Bureau Army Navy (WBAN): 04846 — 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
- MICHIGAN CITY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 726358 — Weather Bureau Army Navy (WBAN): 00384 — from year 2016 to 2025
- MICHIGAN CITY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 726358 — from year 1977 to 2015
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005
- PORTER CO MUNI — Integrated Surface Dataset (ISD) station ID: 725327 — from year 1999 to 2005
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1996
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1990