Average August 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 August each year between 1897 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Watertown?

1983 was the warmest August in the history of Watertown, South Dakota. The average daily high temperature was 89.8 °F, and the average low was 62.6 °F.

What Was the Coldest August Ever in Watertown?

1897 was the coolest August in the history of Watertown, South Dakota. The average daily high temperature was 76.3 °F, and the average low was 49.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	19	83.4	59.8
2022	43	80.8	59.1
2021	34	82.1	59.1
2020	33	82.2	59.3
2019	101	75.4	57.6
2018	74	78.5	58.5
2017	113	75.1	54.8
2016	23	81.9	60.7
2015	81	78.6	57.3
2014	85	77.2	58.3
2013	31	82.2	59.4
2012	77	81.6	55.2
2011	53	80.9	58.3
2010	13	83.5	62.3
2009	111	76.2	54.7
2008	58	80.0	58.4
2007	72	78.7	58.5
2006	38	81.9	58.7
2005	66	81.0	56.9
2004	120	75.4	52.2
2003	20	83.6	59.5
2002	76	79.2	57.8
2001	30	83.2	58.4
2000	50	81.8	57.4
1999	60	81.1	57.4
1998	44	81.0	58.7
1997	92	77.7	56.1
1996	68	80.6	57.0
1995	16	83.0	62.1
1994	99	77.3	55.7
1993	75	78.9	58.1
1992	121	74.9	52.0
1991	41	81.2	58.9
1990	59	81.7	56.8
1989	39	81.7	58.8
1988	14	85.5	60.2
1987	78	80.2	56.6
1986	109	77.3	54.1
1984	27	83.5	58.6
1983	1	89.8	62.6
1982	55	81.6	57.4
1981	56	80.4	58.3
1980	87	79.3	56.1
1979	89	77.3	57.0
1978	28	83.7	58.4
1977	117	75.6	53.5
1976	10	87.5	59.0
1975	54	81.8	57.2
1974	105	79.5	52.7
1973	5	86.8	61.7
1972	64	79.7	58.3
1971	42	84.3	55.7
1970	35	83.7	57.5
1969	21	84.7	58.1
1968	80	80.0	56.3
1967	95	81.5	52.0
1966	110	77.4	54.0
1965	83	80.6	55.0
1964	102	78.5	54.2
1963	61	80.8	57.6
1962	48	82.6	56.7
1961	11	86.9	59.4
1960	32	83.5	58.0
1959	9	86.3	60.2
1958	29	85.6	56.1
1957	71	80.3	57.1
1956	73	80.4	56.6
1955	15	85.6	60.1
1954	69	81.2	56.2
1953	25	82.1	60.2
1952	82	80.7	55.2
1951	107	76.4	55.2
1950	118	76.9	52.1
1949	17	85.1	58.7
1948	57	81.5	57.1
1947	3	87.7	61.8
1946	94	78.6	54.9
1945	65	80.8	57.1
1944	86	79.6	55.8
1943	45	81.5	58.0
1942	84	79.0	56.5
1941	26	84.6	57.6
1940	104	77.2	55.3
1939	36	84.2	56.8
1938	4	88.7	59.8
1937	2	88.7	63.1
1936	6	87.8	60.4
1935	22	85.1	57.5
1934	49	85.0	54.3
1933	40	85.2	55.0
1932	18	85.6	57.9
1931	47	83.2	56.1
1930	8	87.7	59.1
1929	46	84.7	54.6
1928	67	82.4	55.5
1927	119	77.0	51.1
1926	79	80.6	55.9
1925	37	85.7	55.2
1924	100	78.3	54.7
1923	90	80.1	54.2
1922	12	87.5	58.7
1921	63	81.9	56.2
1920	91	81.7	52.5
1919	51	84.1	55.0
1918	52	82.4	56.7
1917	108	79.7	51.8
1916	88	78.7	56.3
1915	122	76.7	48.6
1914	97	81.2	52.2
1913	24	85.5	57.1
1912	112	77.9	52.1
1911	116	77.5	51.8
1910	93	80.3	53.3
1908	106	78.9	52.7
1907	98	79.4	53.7
1906	96	77.8	55.7
1905	62	82.2	56.2
1904	115	77.8	51.5
1903	114	75.9	53.8
1900	7	86.6	61.0
1899	70	81.3	56.1
1898	103	81.0	51.6
1897	123	76.3	49.0

Weather Station Details

Years	Station	Coordinates
1893–2024	Watertown Regional Airport	location