South Dakota May Precipitation by Year

This page is a list of the average statewide precipitation 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 Rainiest May in South Dakota History?
1962 was the wettest May in South Dakota history with an average monthly statewide precipitation of 6.78 inches.
What Was the Driest May in South Dakota History?
1940 was the driest May in South Dakota history with an average monthly statewide precipitation of 0.58 inches.
  • Click column headers to sort
Year Rank Precipitation (in)
2023 55 2.97
2022 36 3.47
2021 92 2.25
2020 68 2.71
2019 3 5.90
2018 69 2.71
2017 99 2.12
2016 77 2.54
2015 5 5.72
2014 81 2.42
2013 14 4.82
2012 64 2.79
2011 18 4.50
2010 31 3.69
2009 120 1.27
2008 25 4.06
2007 17 4.53
2006 123 1.20
2005 29 3.70
2004 30 3.70
2003 65 2.79
2002 108 1.64
2001 78 2.48
2000 44 3.24
1999 33 3.61
1998 75 2.55
1997 60 2.92
1996 8 5.37
1995 7 5.42
1994 121 1.26
1993 46 3.19
1992 115 1.39
1991 11 5.33
1990 43 3.25
1989 122 1.24
1988 42 3.32
1987 48 3.14
1986 41 3.34
1985 100 2.10
1984 101 2.10
1983 67 2.72
1982 2 6.32
1981 87 2.31
1980 117 1.36
1979 104 1.87
1978 32 3.62
1977 66 2.78
1976 110 1.59
1975 97 2.13
1974 53 3.04
1973 61 2.82
1972 6 5.60
1971 56 2.96
1970 70 2.68
1969 94 2.23
1968 103 1.89
1967 105 1.85
1966 125 0.99
1965 9 5.34
1964 80 2.44
1963 98 2.13
1962 1 6.78
1961 35 3.53
1960 52 3.08
1959 28 3.78
1958 113 1.48
1957 13 5.03
1956 93 2.25
1955 84 2.37
1954 96 2.21
1953 71 2.65
1952 79 2.46
1951 63 2.81
1950 57 2.96
1949 74 2.56
1948 107 1.78
1947 119 1.30
1946 26 3.96
1945 72 2.62
1944 39 3.36
1943 88 2.29
1942 4 5.82
1941 106 1.83
1940 129 0.58
1939 85 2.36
1938 34 3.54
1937 95 2.23
1936 111 1.50
1935 62 2.82
1934 128 0.60
1933 49 3.13
1932 47 3.16
1931 102 2.03
1930 59 2.93
1929 82 2.40
1928 118 1.36
1927 12 5.30
1926 73 2.61
1925 116 1.39
1924 127 0.82
1923 90 2.27
1922 38 3.37
1921 50 3.12
1920 16 4.75
1919 58 2.95
1918 37 3.38
1917 51 3.11
1916 22 4.24
1915 27 3.82
1914 54 3.02
1913 40 3.36
1912 89 2.28
1911 109 1.62
1910 114 1.43
1909 23 4.20
1908 19 4.46
1907 24 4.16
1906 15 4.81
1905 10 5.34
1904 83 2.38
1903 45 3.21
1902 76 2.55
1901 112 1.49
1900 126 0.88
1899 20 4.38
1898 21 4.31
1897 124 1.10
1896 86 2.33
1895 91 2.26