Average July 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 July each year between 1955 and 2023. It is based on NOAA data.

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What Was the Hottest July Ever in Interior?

2006 was the warmest July in the history of Interior, South Dakota. The average daily high temperature was 100.2 °F, and the average low was 69.7 °F.

What Was the Coldest July Ever in Interior?

1992 was the coolest July in the history of Interior, South Dakota. The average daily high temperature was 80.1 °F, and the average low was 57.2 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	38	91.9	61.2
2022	13	95.4	64.4
2021	8	96.1	65.5
2020	15	95.1	63.5
2019	48	87.9	63.3
2018	28	91.0	63.3
2017	6	97.8	65.1
2016	31	92.3	61.9
2015	45	90.3	61.3
2014	52	90.1	60.2
2013	42	90.5	62.0
2012	2	98.5	67.5
2011	12	92.5	67.4
2010	25	91.0	64.1
2009	60	86.9	58.8
2008	35	90.2	63.3
2007	3	98.1	67.8
2006	1	100.2	69.7
2004	43	90.5	61.8
2003	17	94.4	64.2
2001	24	91.1	65.5
2000	26	91.2	63.4
1999	27	91.2	63.3
1998	30	89.0	65.1
1997	50	87.7	62.9
1996	54	88.1	60.1
1995	46	90.1	61.5
1994	55	87.8	60.2
1993	62	81.4	58.2
1992	63	80.1	57.2
1991	39	90.1	62.7
1990	51	88.4	62.0
1989	10	94.6	66.3
1988	19	93.5	64.6
1987	14	94.3	65.2
1986	40	90.9	61.8
1984	29	92.5	61.7
1983	23	93.9	63.3
1981	33	90.4	63.5
1980	7	97.9	64.8
1978	56	88.7	58.9
1977	32	92.5	61.6
1975	21	93.4	64.6
1974	4	99.0	66.1
1973	37	92.4	60.9
1972	59	88.2	57.6
1971	58	89.6	56.7
1970	20	94.7	63.4
1969	36	90.5	62.9
1968	47	90.1	61.3
1967	53	87.9	60.6
1966	5	97.6	66.7
1965	44	88.9	62.9
1964	16	93.5	65.1
1963	22	92.8	64.8
1962	57	85.9	61.5
1961	41	91.2	61.3
1960	11	95.1	64.8
1959	34	92.4	61.2
1958	61	83.6	58.7
1957	18	93.5	64.7
1956	49	90.7	60.4
1955	9	97.2	64.1

Weather Station Details

Years	Station	Coordinates
1949–2024	Interior 3 Ne	location