Average August Temperature in Yankton by Year

This page contains a list of the average monthly high and low temperatures in Yankton, South Dakota for the month of August each year between 1932 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Yankton?

1947 was the warmest August in the history of Yankton, South Dakota. The average daily high temperature was 93.9 °F, and the average low was 67.4 °F.

What Was the Coldest August Ever in Yankton?

1985 was the coolest August in the history of Yankton, South Dakota. The average daily high temperature was 79.3 °F, and the average low was 55.2 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	26	85.3	62.7
2022	31	85.8	61.9
2021	17	86.6	63.1
2020	34	85.4	61.9
2019	73	79.8	61.2
2018	63	81.7	61.6
2017	82	79.1	58.7
2016	32	85.3	62.3
2015	64	83.2	60.1
2014	54	81.7	63.2
2013	40	83.9	62.8
2012	48	87.9	57.7
2011	36	85.2	61.9
2010	10	88.3	63.2
2009	78	82.5	57.1
2008	39	86.5	60.3
2007	27	85.0	63.0
2006	47	85.8	60.1
2005	30	87.2	60.5
2003	13	88.9	61.4
2002	38	85.9	61.1
2001	15	87.9	61.9
2000	22	86.2	62.7
1999	52	85.0	60.1
1998	16	85.9	63.8
1997	55	83.3	61.2
1996	67	83.2	59.3
1995	9	88.3	64.2
1994	76	82.6	57.6
1993	56	83.2	61.3
1992	88	78.1	56.9
1991	11	88.3	62.7
1990	21	88.0	60.9
1989	37	85.7	61.3
1988	8	90.5	62.4
1987	74	82.4	58.4
1985	89	79.3	55.2
1984	33	87.9	59.6
1983	2	94.1	66.8
1982	49	84.7	60.8
1981	62	82.6	60.8
1980	44	86.4	60.0
1979	70	82.0	59.9
1978	51	85.4	59.9
1977	81	80.7	57.4
1976	41	88.0	58.6
1975	35	85.6	61.4
1974	86	81.0	55.4
1973	7	90.4	63.2
1972	61	83.9	59.6
1971	50	88.1	57.2
1970	28	86.5	61.4
1969	25	86.9	61.5
1968	46	87.0	59.2
1967	79	85.0	54.5
1966	84	81.7	55.6
1965	68	84.2	58.2
1964	87	79.9	55.3
1963	58	83.5	60.6
1962	77	83.2	56.7
1961	59	85.8	58.3
1960	66	83.9	59.1
1958	18	89.4	59.9
1957	57	84.6	59.7
1956	42	87.4	59.2
1955	3	95.0	64.4
1954	60	83.0	60.6
1953	29	86.7	61.1
1952	72	82.5	59.1
1951	80	80.9	58.4
1950	85	81.4	55.4
1949	19	86.7	62.6
1948	43	84.7	61.7
1947	1	93.9	67.4
1946	75	81.7	58.6
1945	65	83.8	59.2
1944	71	81.2	60.6
1943	23	87.1	61.5
1942	45	85.2	61.1
1941	12	88.2	62.2
1940	69	82.2	59.9
1939	53	85.6	59.4
1938	6	91.9	64.3
1937	5	90.2	66.8
1936	4	92.8	65.4
1935	20	87.0	62.0
1934	14	88.6	61.5
1933	83	81.9	55.8
1932	24	84.8	63.6

Weather Station Details

Years	Station	Coordinates
1932–2024	Yankton 2 E	location