- Latitude: 41.65
- Longitude: -87.15
High Temperatures
On January 21 in this location the average high temperature is 31.5 °F (-0.3 °C). The lowest recored high temperature was 0.1 °F (-17.7 °C) in 1984 and the highest recored high temperature was 62.6 °F (17.0 °C) in 2017. The high temperature is usually* between 24.1 °F (-4.4 °C) and 38.9 °F (3.8 °C). About a quarter of the time, the high temperature is less than 24.1 °F (-4.4 °C), and another quarter of the time, the high temperature is greater than and 38.9 °F (3.8 °C). About 95% of the time, the high temperature has been between 10.0 °F (-12.2 °C) and 53.0 °F (11.7 °C).
Low Temperatures
On January 21 in this location the average low temperature is 18.5 °F (-7.5 °C). The lowest recored low temperature was -15.9 °F (-26.6 °C) in 1984 and the lowest recored low temperature was 46.4 °F (8.0 °C) in 2017. The low temperature is usually* between 10.2 °F (-12.1 °C) and 26.7 °F (-2.9 °C). About a quarter of the time, the low temperature is less than 10.2 °F (-12.1 °C), and another quarter of the time, the low temperature is greater than and 26.7 °F (-2.9 °C). About 95% of the time, the low temperature has been between -5.6 °F (-20.9 °C) and 42.5 °F (5.8 °C).
Frost
On January 21 in this location expect the temperatures to drop below freezing for a risk of frost about 86.5% 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 2006 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 2024
- MICHIGAN CITY MUNICIPAL AIRPO — Integrated Surface Dataset (ISD) station ID: 726358 — from year 1978 to 2017
- 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 2004
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1995 to 1996
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1988 to 1990