Every spring in Wilmington, DE from 1894 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
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| 2026 | 56.7 | 4 | 67.7 | 3 | 45.7 | 9 | 8.08 | 94 | 0 |
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| 2025 | 56.5 | 6 | 66.8 | 6 | 46.1 | 7 | 15.50 | 11 | 0 |
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| 2024 | 55.9 | 8 | 65.4 | 14 | 46.4 | 2 | 13.95 | 17 | 0 |
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| 2023 | 55.7 | 9 | 66.8 | 6 | 44.7 | 17 | 7.01 | 105 | 0 |
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| 2022 | 55 | 16 | 65 | 16 | 45.1 | 14 | 11.26 | 47 | 0 |
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| 2021 | 54.6 | 20 | 65.7 | 13 | 43.6 | 28 | 10.19 | 61 | 0 |
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| 2020 | 53.5 | 38 | 63.2 | 53 | 43.9 | 22 | 10.14 | 62 | 0 |
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| 2019 | 55.3 | 13 | 64.9 | 17 | 45.7 | 9 | 11.84 | 40 | 0 |
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| 2018 | 52.4 | 63 | 61.8 | 77 | 43 | 43 | 12.92 | 28 | 0 |
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| 2017 | 54 | 28 | 63.5 | 45 | 44.6 | 18 | 13.16 | 25 | 0 |
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| 2016 | 54.3 | 22 | 64.3 | 27 | 44.4 | 19 | 10.94 | 50 | 0 |
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| 2015 | 53.3 | 41 | 63.5 | 45 | 43.1 | 39 | 12.07 | 34 | 0 |
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| 2014 | 51.7 | 77 | 62.1 | 75 | 41.3 | 79 | 13.75 | 20 | 0 |
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| 2013 | 52.6 | 56 | 62.3 | 71 | 43 | 43 | 7.39 | 102 | 0 |
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| 2012 | 57.3 | 1 | 67.6 | 4 | 47.1 | 1 | 5.73 | 117 | 0 |
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| 2011 | 54.8 | 17 | 64.3 | 27 | 45.3 | 13 | 11.99 | 36 | 0 |
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| 2010 | 56.6 | 5 | 66.8 | 6 | 46.4 | 2 | 10.12 | 64 | 0 |
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| 2009 | 53.4 | 39 | 62.9 | 62 | 43.8 | 25 | 9.81 | 71 | 0 |
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| 2008 | 53.1 | 47 | 63.4 | 48 | 42.8 | 50 | 11.09 | 49 | 0 |
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| 2007 | 53 | 50 | 63.6 | 42 | 42.4 | 57 | 14.18 | 15 | 0 |
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| 2006 | 54.1 | 27 | 64.8 | 20 | 43.4 | 32 | 6.87 | 107 | 0 |
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| 2005 | 49.9 | 99 | 60.1 | 95 | 39.8 | 99 | 11.48 | 44 | 0 |
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| 2004 | 55.5 | 12 | 64.6 | 24 | 46.4 | 2 | 12.98 | 27 | 0 |
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| 2003 | 50.6 | 94 | 59.8 | 99 | 41.4 | 78 | 11.29 | 46 | 0 |
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| 2002 | 53.8 | 34 | 64.1 | 33 | 43.4 | 32 | 9.71 | 76 | 0 |
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| 2001 | 51.9 | 73 | 61.3 | 84 | 42.4 | 57 | 12.38 | 31 | 0 |
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| 2000 | 54.3 | 22 | 64.2 | 32 | 44.4 | 19 | 15.54 | 9 | 0 |
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| 1999 | 52.4 | 63 | 62.6 | 69 | 42.3 | 60 | 10.88 | 51 | 0 |
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| 1998 | 54.7 | 19 | 64 | 36 | 45.4 | 12 | 11.90 | 38 | 0 |
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| 1997 | 50.7 | 91 | 60.8 | 90 | 40.6 | 89 | 5.80 | 116 | 0 |
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| 1996 | 50.3 | 96 | 59.9 | 97 | 40.8 | 85 | 11.88 | 39 | 0 |
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| 1995 | 53.1 | 47 | 63.8 | 39 | 42.3 | 60 | 8.06 | 95 | 0 |
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| 1994 | 53.3 | 41 | 63.7 | 41 | 42.9 | 49 | 13.90 | 18 | 0 |
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| 1993 | 52.3 | 66 | 61.9 | 76 | 42.7 | 52 | 17.32 | 3 | 0 |
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| 1992 | 51.3 | 82 | 60.9 | 88 | 41.8 | 70 | 10.60 | 56 | 0 |
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| 1991 | 56.2 | 7 | 66.4 | 9 | 46.1 | 7 | 9.90 | 67 | 0 |
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| 1990 | 53.7 | 35 | 63.6 | 42 | 43.9 | 22 | 12.60 | 29 | 0 |
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| 1989 | 51.9 | 73 | 61.7 | 78 | 42.1 | 65 | 13.02 | 26 | 0 |
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| 1988 | 52.6 | 56 | 62.2 | 72 | 43.1 | 39 | 9.36 | 79 | 0 |
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| 1987 | 53.3 | 41 | 63.4 | 48 | 43.2 | 35 | 6.94 | 106 | 0 |
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| 1986 | 53.9 | 32 | 64.7 | 22 | 43.1 | 39 | 5.65 | 118 | 0 |
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| 1985 | 57 | 2 | 68.4 | 1 | 45.5 | 11 | 7.90 | 98 | 0 |
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| 1984 | 49.1 | 107 | 58.6 | 109 | 39.6 | 103 | 14.67 | 14 | 0 |
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| 1983 | 53.3 | 41 | 63.1 | 57 | 43.6 | 28 | 21.02 | 1 | 0 |
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| 1982 | 52.5 | 59 | 63.2 | 53 | 41.8 | 70 | 12.00 | 35 | 0 |
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| 1981 | 52.5 | 59 | 63 | 60 | 42 | 67 | 9.85 | 70 | 0 |
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| 1980 | 53.1 | 47 | 63.2 | 53 | 43.1 | 39 | 13.17 | 24 | 0 |
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| 1979 | 53.3 | 41 | 63.5 | 45 | 43 | 43 | 9.74 | 74 | 0 |
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| 1978 | 49.4 | 104 | 58.8 | 107 | 39.9 | 98 | 14.69 | 13 | 0 |
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| 1977 | 55.2 | 14 | 66.2 | 11 | 44.2 | 21 | 9.42 | 77 | 0 |
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| 1976 | 53.6 | 36 | 64 | 36 | 43.2 | 35 | 8.70 | 87 | 0 |
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| 1975 | 51.1 | 86 | 60.6 | 91 | 41.6 | 74 | 13.31 | 23 | 0 |
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| 1974 | 54 | 28 | 64.6 | 24 | 43.5 | 31 | 11.60 | 41 | 0 |
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| 1973 | 55.2 | 14 | 64.1 | 33 | 46.2 | 6 | 16.15 | 5 | 0 |
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| 1972 | 51.2 | 83 | 61.4 | 81 | 41 | 82 | 10.72 | 53 | 0 |
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| 1971 | 50.7 | 91 | 61.1 | 85 | 40.3 | 94 | 8.95 | 83 | 0 |
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| 1970 | 51.8 | 76 | 61.7 | 78 | 42 | 67 | 10.11 | 65 | 0 |
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| 1969 | 52.9 | 52 | 62.8 | 67 | 43 | 43 | 6.50 | 111 | 0 |
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| 1968 | 52.7 | 54 | 63.1 | 57 | 42.4 | 57 | 11.10 | 48 | 0 |
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| 1967 | 48.7 | 110 | 58.4 | 111 | 39 | 109 | 11.93 | 37 | 0 |
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| 1966 | 50.4 | 95 | 60.2 | 94 | 40.6 | 89 | 7.32 | 103 | 0 |
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| 1965 | 51.2 | 83 | 61 | 86 | 41.5 | 75 | 6.37 | 113 | 0 |
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| 1964 | 52.3 | 66 | 62.8 | 67 | 41.8 | 70 | 8.39 | 92 | 0 |
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| 1963 | 52.3 | 66 | 63.4 | 48 | 41.2 | 80 | 6.59 | 110 | 0 |
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| 1962 | 52.5 | 59 | 62.9 | 62 | 42.1 | 65 | 9.41 | 78 | 0 |
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| 1961 | 50.1 | 97 | 59.6 | 103 | 40.6 | 89 | 12.52 | 30 | 0 |
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| 1960 | 49.8 | 100 | 59.9 | 97 | 39.8 | 99 | 9.76 | 73 | 0 |
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| 1959 | 53.6 | 36 | 64.5 | 26 | 42.7 | 52 | 6.46 | 112 | 0 |
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| 1958 | 51 | 88 | 59.8 | 99 | 42.2 | 63 | 13.90 | 18 | 0 |
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| 1957 | 53 | 50 | 63.1 | 57 | 43 | 43 | 8.73 | 86 | 0 |
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| 1956 | 49.4 | 104 | 59.7 | 102 | 39.2 | 108 | 10.10 | 66 | 0 |
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| 1955 | 54.3 | 22 | 64.9 | 17 | 43.8 | 25 | 8.59 | 89 | 0 |
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| 1954 | 52.5 | 59 | 63 | 60 | 42 | 67 | 9.25 | 80 | 0 |
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| 1953 | 53.9 | 32 | 62.9 | 62 | 44.9 | 16 | 15.87 | 6 | 0 |
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| 1952 | 52 | 71 | 61.4 | 81 | 42.7 | 52 | 15.53 | 10 | 0 |
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| 1951 | 51.7 | 77 | 62.6 | 69 | 40.7 | 88 | 9.88 | 68 | 0 |
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| 1950 | 48.6 | 111 | 58.8 | 107 | 38.4 | 110 | 9.87 | 69 | 0 |
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| 1949 | 52.7 | 54 | 63.2 | 53 | 42.2 | 63 | 9.79 | 72 | 0 |
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| 1948 | 51.9 | 73 | 62.2 | 72 | 41.7 | 73 | 14.18 | 15 | 0 |
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| 1947 | 49.6 | 103 | 59.2 | 105 | 40 | 96 | 15.83 | 7 | 0 |
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| 1946 | 54.2 | 26 | 64.7 | 22 | 43.6 | 28 | 12.29 | 32 | 1 |
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| 1945 | 55.7 | 9 | 67.9 | 2 | 43.4 | 32 | 12.22 | 33 | 0 |
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| 1944 | 52.3 | 66 | 63.6 | 42 | 40.8 | 85 | 13.53 | 21 | 1 |
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| 1943 | 51.1 | 86 | 62.9 | 62 | 39.4 | 104 | | | 0 |
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| 1942 | 54.8 | 17 | 66.3 | 10 | 43.2 | 35 | 9.21 | 81 | 0 |
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| 1941 | 52 | 71 | 63.9 | 38 | 40.4 | 93 | 6.31 | 114 | 1 |
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| 1940 | 47.9 | 112 | 57.8 | 112 | 38.1 | 111 | | | 0 |
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| 1939 | 51.6 | 80 | 62.9 | 62 | 40.8 | 85 | 10.67 | 54 | 7 |
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| 1938 | 53.2 | 46 | 64.3 | 27 | 42.3 | 60 | 8.48 | 90 | 1 |
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| 1937 | 50.8 | 90 | 61 | 86 | 40.6 | 89 | | | 2 |
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| 1936 | 54 | 28 | 64.8 | 20 | 43 | 43 | | | 1 |
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| 1935 | 51.4 | 81 | 61.6 | 80 | 41.5 | 75 | | | 3 |
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| 1934 | 51.2 | 83 | 62.2 | 72 | 40 | 96 | | | 1 |
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| 1933 | 52.1 | 70 | 61.4 | 81 | 42.8 | 50 | 17.05 | 4 | 1 |
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| 1932 | 49.7 | 101 | 60 | 96 | 39.4 | 104 | | | 1 |
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| 1931 | 50.7 | 91 | 59.6 | 103 | 41.5 | 75 | 11.52 | 43 | 1 |
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| 1930 | 52.4 | 63 | 63.8 | 39 | 41 | 82 | 7.52 | 100 | 0 |
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| 1929 | 54.4 | 21 | 64.9 | 17 | 43.9 | 22 | 11.56 | 42 | 0 |
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| 1928 | 49.7 | 101 | 59.8 | 99 | 39.7 | 101 | 10.56 | 58 | 1 |
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| 1927 | 51 | 88 | 60.9 | 88 | 41.1 | 81 | 7.04 | 104 | 0 |
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| 1926 | 49.1 | 107 | 60.3 | 92 | 37.9 | 112 | 8.26 | 93 | 1 |
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| 1925 | 52.6 | 56 | 64.1 | 33 | 41 | 82 | 7.98 | 97 | 2 |
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| 1924 | 49.2 | 106 | 59.1 | 106 | 39.4 | 104 | | | 0 |
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| 1923 | 51.7 | 77 | 63.4 | 48 | 40.1 | 95 | 10.33 | 60 | 0 |
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| 1922 | 54 | 28 | 64.3 | 27 | 43.8 | 25 | 8.92 | 84 | 0 |
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| 1921 | 56.9 | 3 | 67.6 | 4 | 46.3 | 5 | 8.43 | 91 | 0 |
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| 1920 | 50 | 98 | 60.3 | 92 | 39.7 | 101 | 10.53 | 59 | 0 |
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| 1919 | 52.9 | 52 | 63.3 | 52 | 42.7 | 52 | 15.60 | 8 | 1 |
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| 1918 | 54.3 | 22 | 65.3 | 15 | 43.2 | 35 | 9.72 | 75 | 0 |
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| 1917 | 49.1 | 107 | 58.5 | 110 | 39.4 | 104 | | | 2 |
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| 1916 | | | | | | | 8.63 | 88 | 92 |
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| 1915 | | | | | | | 9.20 | 82 | 92 |
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| 1914 | | | | | | | 6.79 | 108 | 92 |
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| 1913 | | | | | | | 18.18 | 2 | 92 |
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| 1912 | | | | | | | 15.35 | 12 | 92 |
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| 1911 | | | | | | | 8.00 | 96 | 92 |
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| 1910 | | | | | | | 6.04 | 115 | 92 |
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| 1909 | | | | | | | 5.15 | 119 | 92 |
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| 1908 | | | | | | | 10.87 | 52 | 92 |
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| 1906 | | | | | | | 11.45 | 45 | 92 |
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| 1905 | | | | | | | 8.88 | 85 | 92 |
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| 1904 | | | | | | | 6.68 | 109 | 92 |
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| 1903 | | | | | | | 7.65 | 99 | 92 |
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| 1901 | | | | | | | 13.36 | 22 | 92 |
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| 1900 | | | | | | | 7.42 | 101 | 92 |
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| 1898 | | | | | | | 10.14 | 62 | 92 |
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| 1897 | | | | | | | 10.60 | 56 | 92 |
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| 1896 | 55.7 | 9 | 66 | 12 | 45 | 15 | | | 2 |
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| 1895 | 53.4 | 39 | 64.3 | 27 | 42.5 | 56 | 10.65 | 55 | 0 |
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| 1894 | | | | | | | | | 32 |
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