Average Precipitation in South Dakota by Year

This page is a list of the average statewide precipitation in the U.S. state of 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 Year in South Dakota History?

2019 was the wettest year in South Dakota history with an average annual statewide precipitation of 31.4 inches.

What Was the Driest Year in South Dakota History?

1936 was the driest year in South Dakota history with an average annual statewide precipitation of 10.9 inches.

Click column headers to sort

Year	Rank	Precipitation (in)
2023	19	23.2
2022	97	17.0
2021	77	18.2
2020	109	16.2
2019	1	31.4
2018	18	23.3
2017	82	17.6
2016	44	20.7
2015	23	22.8
2014	52	20.2
2013	8	24.9
2012	120	14.6
2011	28	22.1
2010	10	24.7
2009	26	22.6
2008	16	23.7
2007	20	22.9
2006	111	15.9
2005	43	20.7
2004	42	20.8
2003	93	17.1
2002	122	14.3
2001	53	20.2
2000	61	19.1
1999	31	21.6
1998	9	24.9
1997	38	21.1
1996	21	22.9
1995	3	25.5
1994	65	18.9
1993	4	25.4
1992	56	19.8
1991	36	21.2
1990	89	17.3
1989	108	16.3
1988	115	15.3
1987	88	17.4
1986	5	25.2
1985	70	18.5
1984	34	21.3
1983	58	19.4
1982	7	25.0
1981	86	17.4
1980	119	14.7
1979	71	18.4
1978	63	18.9
1977	6	25.0
1976	127	12.8
1975	73	18.3
1974	126	13.1
1973	68	18.7
1972	47	20.7
1971	41	21.0
1970	69	18.6
1969	83	17.5
1968	39	21.0
1967	87	17.4
1966	74	18.3
1965	32	21.5
1964	81	17.9
1963	55	19.9
1962	11	24.6
1961	110	16.0
1960	76	18.2
1959	105	16.7
1958	118	14.9
1957	27	22.4
1956	99	17.0
1955	112	15.8
1954	101	16.9
1953	29	21.7
1952	124	13.7
1951	30	21.7
1950	84	17.4
1949	96	17.0
1948	60	19.3
1947	80	18.0
1946	13	24.2
1945	95	17.1
1944	15	23.9
1943	91	17.2
1942	17	23.5
1941	37	21.2
1940	114	15.6
1939	113	15.6
1938	90	17.2
1937	103	16.8
1936	129	10.9
1935	102	16.8
1934	128	12.4
1933	121	14.5
1932	72	18.4
1931	123	14.2
1930	79	18.0
1929	54	19.9
1928	92	17.2
1927	24	22.7
1926	100	17.0
1925	116	15.2
1924	78	18.1
1923	33	21.5
1922	45	20.7
1921	64	18.9
1920	25	22.6
1919	59	19.3
1918	50	20.4
1917	107	16.3
1916	49	20.6
1915	2	28.0
1914	40	21.0
1913	98	17.0
1912	85	17.4
1911	94	17.1
1910	125	13.7
1909	48	20.6
1908	22	22.8
1907	75	18.3
1906	14	24.1
1905	12	24.6
1904	104	16.7
1903	51	20.3
1902	67	18.8
1901	46	20.7
1900	57	19.5
1899	62	19.0
1898	117	15.1
1897	66	18.8
1896	35	21.3
1895	106	16.4