Average August Temperature in Interior by Year

This page contains a list of the average monthly high and low temperatures in Interior, South Dakota for the month of August each year between 1955 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Interior?

1983 was the warmest August in the history of Interior, South Dakota. The average daily high temperature was 97.0 °F, and the average low was 66.4 °F.

What Was the Coldest August Ever in Interior?

1977 was the coolest August in the history of Interior, South Dakota. The average daily high temperature was 85.3 °F, and the average low was 54.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	26	91.5	62.4
2022	6	96.6	63.4
2021	20	94.7	60.9
2020	18	95.5	61.2
2019	53	85.8	61.5
2018	44	91.1	58.7
2017	55	90.0	57.1
2016	37	91.5	59.8
2015	45	89.5	59.8
2014	50	88.4	59.5
2013	49	87.7	60.3
2012	32	92.8	59.3
2011	24	92.0	62.4
2010	11	94.9	63.7
2009	60	87.6	57.3
2008	30	90.5	62.8
2007	22	90.6	64.4
2006	21	91.2	63.8
2005	33	91.1	60.9
2004	65	85.8	55.6
2003	5	94.6	65.4
2002	34	92.1	59.6
2001	17	93.5	63.5
2000	7	95.0	64.8
1999	35	90.6	61.0
1998	38	88.5	62.7
1997	42	86.8	63.4
1996	25	92.4	61.8
1995	10	95.2	64.0
1994	39	90.4	60.8
1993	64	84.4	57.8
1992	66	84.7	56.5
1991	27	90.4	63.3
1990	29	91.2	62.1
1989	19	93.3	63.2
1988	15	94.5	62.8
1987	54	87.7	59.5
1986	47	89.7	59.3
1985	58	89.4	56.4
1984	9	95.5	63.9
1983	1	97.0	66.4
1981	52	87.8	59.7
1980	40	90.6	60.2
1979	51	87.4	60.2
1978	63	88.0	54.7
1977	67	85.3	54.8
1975	41	91.8	58.8
1974	56	88.3	58.2
1973	8	96.5	63.0
1972	46	89.1	60.0
1971	16	94.9	62.2
1970	12	96.5	62.0
1969	13	94.9	63.6
1968	62	85.9	57.3
1967	43	91.2	58.8
1966	61	86.6	57.4
1965	48	88.5	59.5
1964	59	87.8	57.3
1963	14	92.9	64.5
1962	36	90.7	60.8
1961	4	94.4	66.1
1960	28	92.2	61.3
1959	3	96.8	64.8
1958	23	92.5	62.3
1957	31	89.8	62.8
1956	57	87.1	59.0
1955	2	97.3	64.7

Weather Station Details

Years	Station	Coordinates
1949–2024	Interior 3 Ne	location