Average Temperature in Delaware by Year

This page is a list of the average statewide temperature in the U.S. state of Delaware for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.
State:
Month:
What Was the Hottest Year in Delaware History?
2012 was the warmest year in Delaware history. Statewide, the average daily high temperature was 68.6 °F, and the average low was 48.4 °F.
What Was the Coldest Year in Delaware History?
1904 was the coolest year in Delaware history. Statewide, the average daily high temperature was 60.8 °F, and the average low was 41.0 °F.
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Year Rank High (°F) Low (°F)
2023 3 67.7 48.0
2022 21 66.2 46.2
2021 6 67.1 47.7
2020 2 67.7 48.3
2019 5 67.2 47.7
2018 13 66.3 48.0
2017 4 67.1 48.1
2016 6 67.2 47.5
2015 17 66.2 46.6
2014 52 64.6 44.9
2013 25 65.2 46.4
2012 1 68.6 48.4
2011 6 67.4 47.4
2010 15 66.5 46.8
2009 32 64.8 46.0
2008 19 66.6 46.0
2007 19 66.4 46.1
2006 10 67.5 47.2
2005 27 65.5 45.9
2004 25 65.3 46.4
2003 57 64.0 45.2
2002 11 67.4 46.9
2001 23 66.5 45.6
2000 52 64.8 44.7
1999 16 66.9 46.1
1998 6 67.5 47.3
1997 49 64.9 44.7
1996 79 63.5 44.5
1995 37 65.2 45.0
1994 42 65.4 44.7
1993 49 64.7 45.0
1992 86 63.5 44.4
1991 14 67.2 46.6
1990 11 67.4 47.0
1989 72 63.6 44.8
1988 76 64.5 43.7
1987 45 65.0 44.8
1986 37 65.2 45.0
1985 33 65.4 45.3
1984 52 64.4 45.0
1983 45 64.8 45.0
1982 79 64.0 43.9
1981 96 63.5 43.6
1980 76 64.0 44.1
1979 92 63.4 44.2
1978 116 62.9 42.9
1977 57 64.8 44.5
1976 92 64.4 43.1
1975 34 64.9 45.5
1974 57 65.0 44.3
1973 30 65.4 45.8
1972 96 62.9 44.2
1971 57 64.3 44.8
1970 79 63.9 44.0
1969 102 63.1 43.7
1968 86 64.4 43.5
1967 122 62.9 42.3
1966 106 63.6 43.1
1965 96 64.0 43.2
1964 72 64.9 43.5
1963 113 63.8 42.2
1962 116 62.8 42.9
1961 79 63.8 44.1
1960 102 63.5 43.4
1959 27 66.1 45.4
1958 123 61.9 42.9
1957 37 65.3 45.0
1956 69 64.1 44.4
1955 57 64.7 44.4
1954 37 65.7 44.6
1953 24 66.5 45.4
1952 42 65.1 44.8
1951 52 65.2 44.1
1950 79 64.2 43.8
1949 17 66.7 46.2
1948 79 64.0 43.9
1947 86 64.0 43.8
1946 34 65.9 44.5
1945 63 64.5 44.5
1944 72 64.3 44.1
1943 72 65.0 43.4
1942 63 64.5 44.5
1941 57 65.3 43.9
1940 127 61.5 41.9
1939 45 65.1 44.8
1938 37 65.3 44.9
1937 76 63.8 44.3
1936 94 64.0 43.5
1935 111 62.8 43.5
1934 106 63.5 43.1
1933 45 65.0 44.7
1932 42 65.6 44.5
1931 27 65.7 45.7
1930 52 65.5 43.9
1929 69 64.5 44.1
1928 96 63.6 43.5
1927 86 64.1 43.7
1926 123 62.7 42.2
1925 63 65.1 43.9
1924 125 62.2 42.5
1923 86 64.0 43.9
1922 69 63.7 45.0
1921 21 66.5 45.9
1920 116 62.5 43.4
1919 68 64.1 44.8
1918 102 63.6 43.2
1917 128 60.9 41.9
1916 113 62.7 43.4
1915 94 63.6 43.8
1914 111 63.2 42.9
1913 30 65.6 45.5
1912 113 62.8 43.1
1911 63 64.4 44.6
1910 106 63.1 43.5
1909 102 63.5 43.4
1908 79 64.0 44.0
1907 126 61.7 42.3
1906 63 63.7 45.2
1905 119 62.9 42.7
1904 129 60.8 41.0
1903 110 62.9 43.4
1902 101 63.4 43.6
1901 119 62.4 43.3
1900 34 65.1 45.2
1899 106 63.3 43.2
1898 49 64.2 45.3
1897 96 63.2 43.9
1896 86 63.5 44.3
1895 121 62.8 42.7