- Latitude: 41.65
- Longitude: -87.15
High Temperatures
On April 12 in this location the average high temperature is 58.1 °F (14.5 °C). The lowest recored high temperature was 36.9 °F (2.7 °C) in 1990 and the highest recored high temperature was 83.8 °F (28.8 °C) in 1977. The high temperature is usually* between 50.2 °F (10.1 °C) and 66.0 °F (18.9 °C). About a quarter of the time, the high temperature is less than 50.2 °F (10.1 °C), and another quarter of the time, the high temperature is greater than and 66.0 °F (18.9 °C). About 95% of the time, the high temperature has been between 35.2 °F (1.8 °C) and 81.0 °F (27.2 °C).
Low Temperatures
On April 12 in this location the average low temperature is 41.1 °F (5.1 °C). The lowest recored low temperature was 26.6 °F (-3.0 °C) in 2025 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2006. The low temperature is usually* between 36.0 °F (2.2 °C) and 46.2 °F (7.9 °C). About a quarter of the time, the low temperature is less than 36.0 °F (2.2 °C), and another quarter of the time, the low temperature is greater than and 46.2 °F (7.9 °C). About 95% of the time, the low temperature has been between 26.2 °F (-3.2 °C) and 56.0 °F (13.3 °C).
Frost
On April 12 in this location expect the temperatures to drop below freezing for a risk of frost about 11.5% 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 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 1989 to 1990