- Latitude: 42.121
- Longitude: -87.905
High Temperatures
On January 12 in this location the average high temperature is 33.1 °F (0.6 °C). The lowest recored high temperature was 1.0 °F (-17.2 °C) in 1997 and the highest recored high temperature was 62.1 °F (16.7 °C) in 2005. The high temperature is usually* between 25.9 °F (-3.4 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 25.9 °F (-3.4 °C), and another quarter of the time, the high temperature is greater than and 40.4 °F (4.7 °C). About 95% of the time, the high temperature has been between 12.1 °F (-11.0 °C) and 54.2 °F (12.3 °C).
Low Temperatures
On January 12 in this location the average low temperature is 18.0 °F (-7.8 °C). The lowest recored low temperature was -13.0 °F (-25.0 °C) in 1974 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 2023. The low temperature is usually* between 10.2 °F (-12.1 °C) and 25.9 °F (-3.4 °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 25.9 °F (-3.4 °C). About 95% of the time, the low temperature has been between -4.8 °F (-20.4 °C) and 40.9 °F (4.9 °C).
Frost
On January 12 in this location expect the temperatures to drop below freezing for a risk of frost about 88.4% 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:
- CHICAGO O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 — from year 1947 to 2025
- PALWAUKEE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 744665 — Weather Bureau Army Navy (WBAN): 04838 — from year 2006 to 2025
- WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — from year 2007 to 2025
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2015 to 2019
- PALWAUKEE MUNI — Integrated Surface Dataset (ISD) station ID: 744665 — from year 1996 to 2005
- ANN ARBOR MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 725374 — from year 1999 to 2005
- CHIGAGO-WAUKEE ARPT — Integrated Surface Dataset (ISD) station ID: 725339 — from year 2002 to 2002
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1977 to 1996
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1995
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1989 to 1991
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1946 to 1972
- CHICAGO OHARE INTL AP — Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972
- PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958