Number of Days of 90 °F in Summit by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 90 degrees Fahrenheit in Summit, South Dakota, between 1956 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1976 holds the record for the most 90 °F days in Summit history. There were 39 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 degrees Fahrenheit in Summit so far in 2024. As of April 27, the highest temperature this year is 81 °F.

The last time it reached at least 90° F was October 1, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 90 °F
2024	65	0
2023	9	19
2022	23	11
2021	6	23
2020	23	11
2019	58	2
2018	52	3
2017	30	10
2016	23	11
2015	37	8
2014	60	1
2013	21	12
2012	3	29
2011	17	13
2010	41	7
2009	58	2
2008	65	0
2007	23	11
2006	23	11
2005	32	9
2004	65	0
2003	30	10
2002	37	8
2001	14	15
2000	32	9
1999	32	9
1998	47	5
1997	52	3
1996	65	0
1995	47	5
1994	60	1
1993	60	1
1992	60	1
1991	46	6
1990	37	8
1989	41	7
1988	2	34
1987	14	15
1986	50	4
1985	41	7
1984	23	11
1983	4	25
1982	41	7
1981	65	0
1980	41	7
1979	52	3
1978	23	11
1977	32	9
1976	1	39
1975	7	20
1974	10	17
1973	10	17
1972	37	8
1971	21	12
1970	12	16
1969	32	9
1968	17	13
1967	47	5
1966	17	13
1965	50	4
1964	7	20
1963	52	3
1962	52	3
1961	12	16
1960	17	13
1959	5	24
1958	16	14
1957	52	3
1956	60	1

Weather Station Details

Years	Station	Coordinates
1956–2024	Summit 1 W	location