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Climate Statistics · City

Average annual temperature in Chicago

1942 – 2025 · 83 data points Updated Oct 21, 2026

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1942 – 2025

Average annual temperature, 1942 – 2025 °F
+0.6 °F since 2015

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1942 – 2025

Compared with Average annual temperature · °F
Chicago
53 °F
United States 55 °F

Sources: NOAA National Centers for Environmental Information — GHCN-Daily · NOAA National Centers for Environmental Information, Climate at a Glance

The series at a glance Chicago · 1942 – 2025
Latest value 53 °F · 2025
First value 50 °F · 1942
Highest 56 °F · 2024
Lowest 48 °F · 1979
Data points 83

By year

All years · 1942 – 2025

YearChicagoChange United States
2025 53 °F −2.8 °F 55 °F
2024 56 °F +1.7 °F 55 °F
2023 54 °F +1.2 °F 54 °F
2022 53 °F −0.8 °F 53 °F
2021 54 °F +0.7 °F 54 °F
2020 53 °F +2.3 °F 54 °F
2019 51 °F −0.8 °F 53 °F
2018 52 °F −1.7 °F 54 °F
2017 54 °F −0.8 °F 55 °F
2016 54 °F +1.6 °F 55 °F
2015 53 °F +3.3 °F 54 °F
2014 50 °F −0.6 °F 53 °F
2013 50 °F −5.2 °F 52 °F
2012 55 °F +3.4 °F 55 °F
2011 52 °F −0.5 °F 53 °F
2010 52 °F +2.5 °F 53 °F
2009 50 °F +0.1 °F 52 °F
2008 50 °F −2.4 °F 52 °F
2007 52 °F −1.1 °F 54 °F
2006 53 °F +0.6 °F 54 °F
2005 53 °F +1.2 °F 54 °F
2004 52 °F +1.2 °F 53 °F
2003 50 °F −2.2 °F 53 °F
2002 53 °F −0.2 °F 53 °F
2001 53 °F +0.8 °F 54 °F
2000 52 °F −1.7 °F 53 °F
1999 54 °F −1.2 °F 54 °F
1998 55 °F +4.9 °F 54 °F
1997 50 °F +0.4 °F 52 °F
1996 50 °F −2.2 °F 52 °F
1995 52 °F +0.6 °F 53 °F
1994 51 °F +0.7 °F 53 °F
1993 50 °F −0.7 °F 51 °F
1992 51 °F −2.5 °F 53 °F
1991 54 °F ±0.0 °F 53 °F
1990 54 °F +3.4 °F 53 °F
1989 50 °F −1.6 °F 52 °F
1988 52 °F −1.5 °F 53 °F
1987 53 °F +1.9 °F 53 °F
1986 51 °F +1.6 °F 53 °F
1985 50 °F −0.9 °F 51 °F
1984 51 °F −0.3 °F 52 °F
1983 51 °F +1.5 °F 52 °F
1982 49 °F −0.4 °F 51 °F
1981 50 °F +1.8 °F 53 °F
1979 48 °F −0.1 °F 51 °F
1978 48 °F −2.6 °F 51 °F
1977 51 °F +1.4 °F 53 °F
1976 49 °F −2.1 °F 51 °F
1975 51 °F +1.3 °F 51 °F
1974 50 °F −2.3 °F 52 °F
1973 52 °F +3.9 °F 52 °F
1972 49 °F −3.2 °F 51 °F
1971 52 °F +0.9 °F 52 °F
1970 51 °F +0.8 °F 52 °F
1969 50 °F −1.4 °F 51 °F
1968 52 °F +2.1 °F 51 °F
1967 49 °F −0.6 °F 52 °F
1966 50 °F −0.1 °F 51 °F
1965 50 °F −1.4 °F 52 °F
1964 52 °F +1.6 °F 52 °F
1963 50 °F −0.1 °F 52 °F
1962 50 °F −0.7 °F 52 °F
1961 51 °F +0.5 °F 52 °F
1960 50 °F −0.8 °F 51 °F
1959 51 °F +1.4 °F 52 °F
1958 50 °F −1.1 °F 52 °F
1957 51 °F −1.0 °F 52 °F
1956 52 °F −0.3 °F 52 °F
1955 52 °F −0.8 °F 52 °F
1954 53 °F −0.2 °F 53 °F
1953 53 °F +1.5 °F 53 °F
1952 52 °F +3.1 °F 52 °F
1951 48 °F +0.1 °F 51 °F
1950 48 °F −3.3 °F 51 °F
1949 52 °F +1.8 °F 52 °F
1948 50 °F +0.4 °F 52 °F
1947 49 °F −2.4 °F 52 °F
1946 52 °F +2.9 °F 53 °F
1945 49 °F −1.7 °F 52 °F
1944 51 °F +1.8 °F 52 °F
1943 49 °F −1.1 °F 52 °F
1942 50 °F 52 °F

Sources: NOAA National Centers for Environmental Information — GHCN-Daily · NOAA National Centers for Environmental Information, Climate at a Glance, 1942 – 2025

What it means

The mean temperature over a whole year — the long-term trend shows warming or cooling.

How it is calculated

Mean of the daily average temperature over the year at the nearest weather station; years with incomplete months are left out.