Sisseton, SD: records

4 October 2026: The hottest day on record in Sisseton, SD: 113°F on Monday 6 July 1936 and Wednesday 30 May 1934.

The record begins: 1931

All-time records

Hottest day: 113°F; 6 July 1936, 30 May 1934
Coldest night: -37°F; 24 January 1936
Wettest day: 5.50 in; 27 May 1954
Warmest night: 85°F; 26 June 1986
Coldest day: -20°F; 8 February 1933

Daily records by decade

New daily records set in Sisseton, SD by decade since the 1960s: the most record highs, 62, came in the 1970s; the most record lows, 70, in the 1970s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1930s	0	0	9
1940s	0	0	10
1950s	0	0	10
1960s	58	69	10
1970s	62	70	10
1980s	61	44	10
1990s	39	26	10
2000s	21	29	10
2010s	31	30	10
2020s	41	12	7

Records by month

Month	Highest	Lowest	Wettest day
January	65°F 24 January 1981	-37°F 24 January 1936	1.43 in 9 January 1939
February	68°F 25 February 1958	-33°F 9 February 1994	0.98 in 27 February 1958
March	82°F 18 March 2012, 31 March 1963, 28 March 1946	-29°F 1 March 1962	2.65 in 26 March 1942
April	99°F 21 April 1980	-3°F 7 April 1936	2.87 in 15 April 2012
May	113°F 30 May 1934	19°F 3 May 2005, 12 May 1946	5.50 in 27 May 1954
June	105°F 2 June 1934	32°F 5 June 1935	5.12 in 10 June 1939
July	113°F 6 July 1936	40°F 29 July 1952	3.33 in 11 July 2016
August	108°F 10 August 1947	34°F 26 August 1944	3.30 in 2 August 1932
September	102°F 8 September 1959	22°F 26 September 1965, 21 September 1934	2.78 in 23 September 2023
October	95°F 11 October 2015, 10 October 1955	4°F 26 October 1936	3.30 in 19 October 1993
November	79°F 2 November 1965	-18°F 30 November 1964	1.89 in 9 November 1977
December	70°F 6 December 1939	-30°F 19 December 1983	1.43 in 25 December 2023

Streaks, months and years

Longest heat streak	16 days	4 July to 19 July 1936	A high of 90°F or above
Longest cold streak	65 days	19 December 1977 to 21 February 1978	A high of 32°F or below
Wettest month	9.76 in	May 1965
Driest month	0.00 in	February 2003	and 3 more
Wettest year	35.04 in	2019
Driest year	13.03 in	1952

Every record in words

The coldest night on record in Sisseton, SD: a low of -37°F on Friday 24 January 1936.
The wettest day on record in Sisseton, SD: 5.50 in on Thursday 27 May 1954.
The warmest night on record in Sisseton, SD: a low of 85°F on Thursday 26 June 1986.
The coldest day on record in Sisseton, SD: a high of -20°F on Wednesday 8 February 1933.
The longest run of days with a high of 90°F or above in Sisseton, SD: 16 days, from Saturday 4 July to Sunday 19 July 1936.
The longest run of days with a high of 32°F or below in Sisseton, SD: 65 days, from Monday 19 December 1977 to Tuesday 21 February 1978.
The wettest month on record in Sisseton, SD: May 1965, with 9.76 in of precipitation.
The driest month on record in Sisseton, SD: February 2003, with 0.00 in of precipitation (shared with 3 other months).
The wettest year on record in Sisseton, SD: 2019, with 35.04 in of precipitation.
The driest year on record in Sisseton, SD: 1952, with 13.03 in of precipitation.

Sisseton, SD the day's answers