Earliest and Latest Days of 80° F in Summit

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Summit, South Dakota history. It is based on NOAA data from the years 1956–2024.

Also see:

Earliest 80 degree day in Summit?

The earliest in the year that Summit, South Dakota had a high temperature of at least 80 °F is March 18 which happened in 2012.

Latest 80 degree day in Summit?

The latest in the year that Summit, South Dakota had a high temperature of at least 80 °F is October 20 which has happened twice, most recently in 2003.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 18	2012	81 °F
April 5	2021	80 °F
April 5	1991	82 °F
April 6	1991	83 °F
April 7	1988	82 °F
April 9	1977	84 °F
April 10	1977	85 °F
April 11	1977	80 °F
April 11	1968	80 °F
April 13	2024	81 °F
April 13	2003	85 °F
April 13	1976	80 °F
April 14	2024	81 °F
April 14	2003	83 °F
April 15	1976	80 °F
April 16	2002	82 °F
April 16	1964	83 °F
April 16	1958	82 °F
April 17	1987	81 °F
April 17	1985	86 °F
April 17	1958	80 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
October 20	2003	82 °F
October 20	1978	80 °F
October 19	2003	85 °F
October 19	2000	80 °F
October 19	1958	82 °F
October 16	1991	82 °F
October 15	1958	88 °F
October 14	1988	80 °F
October 14	1962	82 °F
October 13	1958	83 °F
October 12	2015	84 °F
October 12	1996	83 °F
October 12	1956	83 °F
October 11	2015	87 °F
October 10	2015	81 °F
October 10	2010	81 °F
October 10	1974	82 °F
October 9	2020	82 °F
October 9	2010	87 °F
October 9	2003	81 °F
October 9	1980	85 °F