Earliest and Latest Days at or Below 32° F in Summit

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Summit, South Dakota history. It is based on NOAA data from the years 1956–2024.

Earliest freezing temperature in Summit?

The earliest in a winter season that Summit, South Dakota has recorded a low temperature of 32 °F or below is August 31 which happened in 1987.

Latest freezing temperature in Summit?

The latest in a winter season that Summit, South Dakota has recorded a low temperature of 32 °F or below is June 14 which happened in 1969.

Earliest Days ≤ 32 °F

Date	Year	Temperature
August 31	1987	32 °F
September 3	1974	31 °F
September 5	1965	31 °F
September 6	1956	31 °F
September 7	1986	32 °F
September 9	2020	31 °F
September 10	2020	32 °F
September 10	1959	27 °F
September 11	1964	29 °F
September 12	2007	31 °F
September 12	1975	27 °F
September 12	1964	31 °F
September 13	1987	32 °F
September 13	1975	32 °F
September 13	1970	31 °F
September 14	2016	32 °F
September 14	1979	31 °F
September 14	1956	31 °F
September 15	2011	29 °F
September 15	2007	30 °F
September 15	1993	28 °F
September 15	1984	30 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
June 14	1969	32 °F
June 9	1989	30 °F
June 7	1998	32 °F
June 7	1992	32 °F
June 5	1985	32 °F
June 4	1990	31 °F
June 4	1964	30 °F
June 3	1990	32 °F
June 3	1985	31 °F
June 1	1993	31 °F
May 30	2015	31 °F
May 30	2012	31 °F
May 28	2021	32 °F
May 28	1965	28 °F
May 27	1965	29 °F
May 26	1992	30 °F
May 26	1984	29 °F
May 26	1971	32 °F
May 26	1970	32 °F
May 25	1971	30 °F