Highest Temperatures in Sioux City by Year

Here is a list and chart of the hottest annual temperatures recorded in Sioux City, Iowa for each year between 1948 and 2024.
Year Temperature
2024 86 °F
2023 102 °F
2022 102 °F
2021 97 °F
2020 99 °F
2019 99 °F
2018 102 °F
2017 97 °F
2016 97 °F
2015 99 °F
2014 94 °F
2013 106 °F
2012 104 °F
2011 100 °F
2010 95 °F
2009 97 °F
2008 96 °F
2007 98 °F
2006 102 °F
2005 99 °F
2004 95 °F
2003 98 °F
2002 99 °F
2001 101 °F
2000 103 °F
1999 96 °F
1998 96 °F
1997 95 °F
1996 97 °F
1995 108 °F
1994 95 °F
1993 93 °F
1992 91 °F
1991 98 °F
1990 104 °F
1989 102 °F
1988 108 °F
1987 99 °F
1986 94 °F
1985 103 °F
1984 98 °F
1983 100 °F
1982 98 °F
1981 98 °F
1980 106 °F
1979 99 °F
1978 96 °F
1977 98 °F
1976 102 °F
1975 98 °F
1974 103 °F
1973 99 °F
1972 100 °F
1971 101 °F
1970 101 °F
1969 98 °F
1968 99 °F
1967 102 °F
1966 97 °F
1965 98 °F
1964 102 °F
1963 96 °F
1962 94 °F
1961 104 °F
1960 101 °F
1959 98 °F
1958 99 °F
1957 104 °F
1956 102 °F
1955 107 °F
1954 105 °F
1953 105 °F
1952 101 °F
1951 96 °F
1950 94 °F
1949 99 °F
1948 100 °F
Weather Station Details
Years Station Coordinates
1948–2024 Sioux City Gateway Airport location