South Dakota May Temperature by Year

This page is a list of the average statewide temperature in the month of May in South Dakota 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 May in South Dakota History?
1934 was the warmest May in South Dakota history. Statewide, the average daily high temperature was 85.5 °F, and the average low was 50.6 °F.
What Was the Coldest May in South Dakota History?
1907 was the coolest May in South Dakota history. Statewide, the average daily high temperature was 60.9 °F, and the average low was 35.0 °F.
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Year Rank High (°F) Low (°F)
2023 10 75.0 47.5
2022 75 67.7 42.9
2021 80 67.9 42.0
2020 87 65.8 42.6
2019 126 60.8 40.0
2018 5 75.1 49.0
2017 59 69.3 42.6
2016 45 70.3 43.1
2015 95 65.4 42.3
2014 68 67.8 43.4
2013 60 68.5 43.2
2012 31 71.8 44.9
2011 105 63.8 42.2
2010 87 65.4 43.1
2009 63 69.9 41.8
2008 105 65.1 40.9
2007 18 72.8 47.2
2006 32 72.2 44.1
2005 92 66.2 41.8
2004 68 68.6 42.7
2003 78 66.8 43.1
2002 112 66.2 38.6
2001 36 70.1 45.5
2000 33 71.1 45.0
1999 60 67.6 44.2
1998 21 72.2 46.4
1997 104 65.5 40.6
1996 114 61.9 42.5
1995 111 62.8 42.2
1994 15 74.0 46.6
1993 58 68.6 43.5
1992 24 74.5 43.5
1991 33 68.6 47.6
1990 87 66.4 42.1
1989 45 70.3 43.1
1988 10 74.2 48.2
1987 7 74.1 49.1
1986 52 68.6 44.4
1985 7 76.4 46.7
1984 83 67.9 41.1
1983 112 65.6 39.1
1982 57 66.9 45.7
1981 72 68.0 42.7
1980 21 74.1 44.5
1979 105 66.2 39.9
1978 41 68.8 45.0
1977 2 76.3 50.4
1976 54 71.5 41.3
1975 45 69.6 43.8
1974 86 67.2 41.4
1973 75 69.8 40.9
1972 38 68.5 46.1
1971 87 67.2 41.3
1970 37 71.4 43.9
1969 28 73.3 44.2
1968 120 64.5 38.8
1967 125 63.7 38.7
1966 72 70.9 39.9
1965 48 69.8 43.5
1964 23 72.4 45.8
1963 54 69.5 43.3
1962 33 69.2 47.0
1961 94 66.0 41.7
1960 63 70.0 41.6
1959 78 67.5 42.4
1958 15 75.8 44.9
1957 91 64.7 43.5
1956 43 69.2 44.5
1955 13 75.4 46.2
1954 110 65.8 39.4
1953 99 65.3 41.5
1952 54 69.5 43.2
1951 48 69.4 43.8
1950 118 64.1 39.7
1949 20 73.2 45.6
1948 52 69.6 43.4
1947 109 66.8 38.8
1946 114 65.0 39.5
1945 121 65.3 37.9
1944 14 73.5 47.4
1943 105 67.0 39.0
1942 119 62.6 41.1
1941 6 75.7 48.1
1940 48 71.5 41.6
1939 3 78.0 48.5
1938 84 65.9 42.9
1937 24 72.4 45.7
1936 4 76.6 47.9
1935 127 60.2 40.3
1934 1 85.5 50.6
1933 84 65.9 42.8
1932 29 71.9 45.2
1931 82 69.7 39.7
1930 99 65.5 41.4
1929 103 67.0 39.5
1928 19 75.2 44.5
1927 117 62.8 41.2
1926 9 75.8 46.9
1925 63 70.9 40.6
1924 128 64.3 35.6
1923 67 68.9 42.4
1922 40 69.4 45.1
1921 60 67.7 44.1
1920 80 66.5 43.4
1919 68 68.5 42.6
1918 41 70.9 42.9
1917 124 64.4 38.2
1916 98 66.9 40.5
1915 122 62.5 40.3
1914 43 69.5 44.0
1913 95 65.5 42.1
1912 48 69.5 43.6
1911 26 73.9 43.8
1910 114 65.8 38.5
1909 95 67.0 40.6
1908 102 66.4 40.4
1907 129 60.9 35.0
1906 77 67.3 43.0
1905 122 63.0 39.8
1904 63 68.9 42.7
1903 68 68.4 42.8
1902 30 71.4 45.5
1901 17 75.0 45.1
1900 10 76.6 45.8
1899 92 65.9 42.1
1898 99 65.0 41.9
1897 38 72.7 42.0
1896 26 71.8 45.9
1895 72 69.0 42.0