National Weather Service United States Department of Commerce


Consecutive Days Above Freezing in Sioux Falls, SD

Most   Least
1 196 Apr 10 - Oct 22, 1938   1 101 Jun 8 - Sep 16, 1901
2 182 Apr 22 - Oct 20, 2025   101 Jun 8 - Sep 16, 1897
3 180 Apr 23 - Oct 19, 1936 3 102 Jun 1 - Sep 10, 1894
4 179 Apr 7 - Oct 2, 1977 4 103 May 27 - Sep 6, 1895
  179 Apr 13 - Oct 8, 1948 5 115 May 27 - Sep 18, 1971
6 175 Apr 22 - Oct 13, 2024   115 May 30 - Sep 21, 1947
  175 May 2 - Oct 23, 1994 7 118 May 29 - Sep 23, 1965
  175 Apr 22 - Oct 13, 1914 8 119 May 17 - Sep 12, 1899
9 172 Apr 13 - Oct 1, 1987   119 May 7 - Sep 2, 1974
10 171 Apr 28 - Oct 15, 2015 10 120 May 21 - Sep 17, 1929
11 168 Apr 27 - Oct 11, 1937 11 123 May 28 - Sep 27, 1907
  168 May 4 - Oct 18, 1911 12 124 May 20 - Sep 20, 2000
13 167 Apr 30 - Oct 13, 2008 13 126 May 21 - Sep 23, 2002
  167 Apr 10 - Sep 23, 1985   126 May 25 - Sep 27, 1924
  167 Apr 25 - Oct 8, 1927 15 127 May 15 - Sep 20, 1983


 

Period of Record (1893-current) Average Date of Last Freeze    May  6
Period of Record (1893-current) Average Date of First Freeze   Sep 30

 

Period of Record (1893-current) Average of 147 Freeze-Free Days Per Year
 

Earliest Final Spring Freeze          Apr 6, 1977 (23 Degrees)
Latest Final Spring Freeze          Jun 7, 1901 and 1897 (32 Degrees)

 

Earliest First Fall Freeze               Sep  3, 1974 (31 Degrees)
Latest First Fall Freeze                 Oct 28, 1963 (23 Degrees)

 

- Updated Jan '26