National Weather Service United States Department of Commerce

Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Heavy rainfall from scattered thunderstorms is expected across the Southwest, Intermountain West, and Plains. Isolated dry thunderstorms may initiate additional fires across the west. The coastal Carolinas may experience flash floods in the coming days due to repeated thunderstorms. Additionally, a wave of intense summer heat will hit the Southern Plains and central Gulf Coast States this week. Read More >

Sioux Falls, SD   Warmest and Coldest Seasons

 

Warmest Seasons    Average Temp. (F) and Year(s)

 

Rank

Amount

Winter

 

Rank

Amount

Spring

 

Rank

Amount

Summer

 

Rank

Amount

Autumn

1 28.7 1930-31   1 54.4 2012   1 77.8 1936   1 53.8 1963
2 27.5 1991-92 2 52.7 1910 2 76.2 1988 2 53.5 2016
3 27.3 1986-87 3 52.2 1977 3 75.5 2020 3 53.2 2021
4 26.4 2001-02 4 51.7 1987 4 75.3 2012 4 53.0 1922
5 26.2 1918-19   51.7 1921 5 75.1 2021 5 52.8 1938
6 26.0 1908-09 6 51.1 1985 6 74.6 1938 6 52.7 2015
7 25.8 2011-12 7 51.0 1925 7 74.5 1976 7 52.5 1931
  25.8 1997-98 8 50.7 1938   74.5 1955 8 52.4 1908
9 25.0 1943-44 9 50.1 1981 9 74.4 2022 9 52.2 1904
10 24.3 1999-00 10 50.0 1934   74.4 1937, 1921 10 51.9 1920

 

 

Coldest Seasons    Average Temp. (F) and Year(s)

 

Rank

Amount

Winter

 

Rank

Amount

Spring

 

Rank

Amount

Summer

 

Rank

Amount

Autumn

1 8.0 1978-79   1 39.2 1950   1 63.8 1915   1 40.1 1896
2 8.9 1977-78 2 39.5 1899 2 66.2 1992 2 41.8 1985
3 9.3 1917-18 3 40.4 1951 3 66.9 2004 3 43.5 1996
4 9.4 1935-36   40.4 1893 4 67.1 1903 4 43.6 1959
  9.4 1916-17 5 40.5 1960 5 67.3 1985 5 43.7 1951
6 10.9 1903-04 6 40.6 1917   67.3 1950 6 44.4 1898
7 11.5 1898-99 7 40.9 1997 7 67.4 1951 7 44.5 1911
8 12.2 2013-14 8 41.3 2013 8 67.5 2009 8 44.6 1993
  12.2 1996-97 9 41.5 1996   67.5 1945   44.6 1991
  12.2 1955-56 10 41.6 2002 10 67.6 1902 10 44.9 1976

 

 

Updated Jun '23           Winter = Dec + Jan + Feb   Spring = Mar + Apr + May   Summer = Jun + Jul + Aug   Autumn = Sep + Oct + Nov