Average May Temperature in Watertown by Year

This page contains a list of the average monthly high and low temperatures in Watertown, South Dakota for the month of May each year between 1893 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Watertown?

1934 was the warmest May in the history of Watertown, South Dakota. The average daily high temperature was 85.1 °F, and the average low was 51.8 °F.

What Was the Coldest May Ever in Watertown?

1907 was the coolest May in the history of Watertown, South Dakota. The average daily high temperature was 56.6 °F, and the average low was 34.7 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	8	74.9	48.9
2022	49	66.7	46.1
2021	58	67.2	43.9
2020	88	63.8	44.1
2019	108	61.9	41.5
2018	7	74.8	49.9
2017	70	67.4	42.5
2016	29	70.8	46.1
2015	76	65.1	44.2
2014	62	66.9	44.0
2013	80	64.4	44.3
2012	23	70.2	47.6
2011	91	63.8	43.6
2010	63	65.4	45.4
2009	61	68.7	42.2
2008	100	63.8	41.6
2007	14	71.2	49.1
2006	38	68.6	45.7
2005	79	64.9	43.9
2004	89	64.7	43.2
2003	83	65.6	42.9
2002	122	63.4	37.8
2001	37	67.9	46.7
2000	31	70.0	46.1
1999	43	67.8	46.0
1998	18	70.3	48.4
1997	118	63.0	38.9
1995	95	64.3	42.6
1994	9	73.7	49.0
1993	64	66.4	44.1
1992	25	73.2	44.4
1991	19	69.1	49.6
1990	71	66.6	43.2
1989	47	69.9	43.6
1988	3	76.6	50.9
1987	5	76.7	50.1
1986	36	68.5	46.4
1985	10	74.2	48.3
1984	90	65.8	41.9
1983	99	65.3	40.5
1982	34	67.1	48.0
1981	73	67.0	42.7
1980	28	72.1	44.9
1979	116	62.6	39.8
1978	39	67.9	46.1
1977	2	76.8	52.6
1976	85	68.8	39.4
1975	33	70.8	44.7
1974	102	62.8	42.2
1973	68	68.1	42.0
1972	32	67.8	48.2
1971	96	66.8	40.0
1970	50	68.3	44.1
1969	42	68.7	45.1
1968	111	63.3	39.7
1967	123	63.5	37.3
1966	105	65.7	38.7
1965	52	68.1	44.1
1964	26	72.0	45.3
1963	67	66.3	43.9
1962	35	66.9	48.2
1961	107	63.2	40.5
1960	60	68.6	42.4
1959	59	67.4	43.7
1958	30	72.8	43.8
1957	101	62.9	42.1
1956	65	67.3	43.0
1955	12	74.4	47.3
1954	125	61.7	37.9
1953	86	65.4	42.6
1952	72	67.5	42.3
1951	46	68.7	44.9
1950	109	62.6	40.8
1949	21	72.0	46.3
1948	69	67.4	42.6
1947	119	63.0	38.8
1946	115	63.1	39.5
1945	124	62.1	38.4
1944	16	71.1	48.0
1943	113	63.0	40.0
1942	114	60.7	42.2
1941	15	72.3	47.6
1940	74	68.8	40.7
1939	4	77.6	49.6
1938	84	64.2	44.2
1937	20	70.5	48.0
1936	6	75.0	50.2
1935	106	62.7	41.7
1934	1	85.1	51.8
1933	41	68.4	45.5
1932	17	72.7	46.4
1931	94	67.1	39.9
1930	78	66.8	42.2
1929	112	64.2	38.8
1928	22	74.5	43.6
1927	117	61.2	40.7
1926	11	74.8	47.0
1925	92	68.5	38.8
1924	126	62.0	35.6
1923	48	69.8	43.3
1922	24	70.2	47.4
1921	40	69.3	44.7
1920	53	68.2	43.8
1919	51	68.5	43.8
1918	54	70.0	41.8
1917	110	65.2	37.9
1916	98	65.0	40.9
1915	120	61.3	40.3
1914	56	67.2	44.3
1913	104	63.5	40.9
1912	55	68.1	43.3
1911	13	75.3	45.5
1910	103	65.9	38.7
1909	75	67.5	41.9
1908	82	66.2	42.5
1907	127	56.6	34.7
1906	77	65.5	43.8
1905	121	63.0	38.5
1904	93	66.6	40.5
1903	57	68.2	42.9
1902	45	69.6	44.1
1900	27	73.9	43.4
1899	97	64.9	41.8
1898	87	66.6	41.3
1897	81	70.4	38.3
1894	44	71.0	42.7
1893	66	69.5	40.7

Weather Station Details

Years	Station	Coordinates
1893–2024	Watertown Regional Airport	location