Highest Temperatures in Janesville by Year

Here is a list and chart of the hottest annual temperatures recorded in Janesville, Wisconsin for each year between 1893 and 2024.
Year Temperature
2024 82 °F
2023 98 °F
2022 97 °F
2021 95 °F
2020 92 °F
2019 93 °F
2018 96 °F
2017 95 °F
2016 93 °F
2015 93 °F
2014 90 °F
2013 96 °F
2012 103 °F
2011 99 °F
2010 94 °F
2009 96 °F
2008 92 °F
2007 91 °F
2006 96 °F
2005 96 °F
2004 90 °F
2003 98 °F
2001 98 °F
2000 96 °F
1999 97 °F
1998 96 °F
1997 97 °F
1996 92 °F
1995 101 °F
1994 97 °F
1993 93 °F
1992 92 °F
1991 97 °F
1990 95 °F
1989 99 °F
1988 102 °F
1986 96 °F
1985 97 °F
1982 94 °F
1981 98 °F
1979 93 °F
1978 99 °F
1977 99 °F
1976 100 °F
1975 95 °F
1974 99 °F
1973 95 °F
1972 94 °F
1971 96 °F
1970 96 °F
1969 93 °F
1968 95 °F
1967 92 °F
1966 102 °F
1965 101 °F
1964 100 °F
1963 102 °F
1962 95 °F
1961 95 °F
1960 96 °F
1959 95 °F
1958 95 °F
1957 94 °F
1956 97 °F
1955 101 °F
1954 98 °F
1953 101 °F
1952 96 °F
1951 91 °F
1950 91 °F
1949 97 °F
1948 100 °F
1947 100 °F
1946 96 °F
1945 98 °F
1895 97 °F
1894 100 °F
1893 93 °F
Weather Station Details
Years Station Coordinates
1987–2024 Afton-Janesville WWTP location
1893–1987 Janesville location