Number of Days of 100 °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 100 degrees Fahrenheit in Summit, South Dakota, between 1956 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1988 holds the record for the most 100 °F days in Summit history. There were 5 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 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 100° F was July 26, 2023.

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

Year	Rank	Days >= 100 °F
2024	10	0
2023	5	1
2022	10	0
2021	10	0
2020	10	0
2019	10	0
2018	10	0
2017	10	0
2016	10	0
2015	10	0
2014	10	0
2013	10	0
2012	10	0
2011	10	0
2010	10	0
2009	10	0
2008	10	0
2007	10	0
2006	3	3
2005	10	0
2004	10	0
2003	10	0
2002	10	0
2001	10	0
2000	10	0
1999	10	0
1998	10	0
1997	10	0
1996	10	0
1995	10	0
1994	10	0
1993	10	0
1992	10	0
1991	10	0
1990	10	0
1989	10	0
1988	1	5
1987	5	1
1986	10	0
1985	5	1
1984	10	0
1983	10	0
1982	10	0
1981	10	0
1980	10	0
1979	10	0
1978	10	0
1977	10	0
1976	2	4
1975	10	0
1974	10	0
1973	10	0
1972	10	0
1971	10	0
1970	10	0
1969	10	0
1968	10	0
1967	10	0
1966	4	2
1965	5	1
1964	5	1
1963	10	0
1962	10	0
1961	10	0
1960	10	0
1959	10	0
1958	10	0
1957	10	0
1956	10	0

Weather Station Details

Years	Station	Coordinates
1956–2024	Summit 1 W	location