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Sioux Falls December 21 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of December 21.
December 21 All-Time Records
1932–2022
Highest temperature 56 °F 1941
Lowest temperature -25 °F 1989
Lowest daily high -16 °F 1989
Highest daily low 32 °F 2006
Most precipitation 0.6 inches 2006
Most snow 5.7 inches 1968
December 21 Average Weather
1991–2020 1
Average high 29.2 °F
Average low 11.3 °F
Chance precipitation 26.8%
Chance snow 23.1%
Sioux Falls December 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2021 34 14 0.00 0.0
2020 45 22 0.00 0.0
2019 45 15 0.00 0.0
2018 30 21 0.00 0.0
2017 32 12 0.31 4.3
2016 41 23 0.00 0.0
2015 24 21 0.00 0.0
2014 40 30 0.00 0.0
2013 17 1 0.00 0.0
2012 25 -2 0.00 0.0
2011 40 14 0.00 0.0
2010 32 7 0.00 0.0
2009 26 21 0.20 2.0
2008 0 -8 0.00 0.0
2007 36 31 0.00 0.0
2006 34 32 0.58 0.0
2005 30 0 0.00 0.0
2004 20 2 0.00 0.0
2003 43 21 0.00 0.0
2002 27 22 0.00 0.0
2001 42 18 0.00 0.0
2000 4 -9 0.00 0.0
1999 12 -12 0.02 1.0
1998 3 -5 0.00 0.1
1997 30 18 0.00 0.0
1996 29 1 0.02 1.0
1995 24 15 0.00 0.0
1994 32 25 0.00 0.0
1993 31 8 0.05 0.6
1992 35 10 0.00 0.0
1991 45 18 0.00 0.0
1990 -10 -20 0.02 0.7
1989 -16 -25 0.00 0.0
1988 38 16 0.00 0.0
1987 35 18 0.00 0.0
1986 37 6 0.00 0.0
1985 34 0 0.00 0.0
1984 37 9 0.00 0.0
1983 -4 -23 0.02 0.3
1982 46 25 0.00 0.0
1981 39 18 0.00 0.0
1980 24 11 0.00 0.0
1979 48 26 0.00 0.0
1978 36 15 0.00 0.0
1977 19 2 0.00 0.0
1976 33 -3 0.00 0.0
1975 31 10 0.00 0.0
1974 23 5 0.00 0.0
1973 26 10 0.00 0.0
1972 26 20 0.00 0.0
1971 25 12 0.00 0.0
1970 15 -1 0.02 0.2
1969 28 8 0.00 0.0
1968 18 9 0.44 5.7
1967 15 3 0.00 0.0
1966 35 10 0.00 0.0
1965 51 21 0.00 0.0
1964 26 11 0.00 0.0
1963 4 -19 0.00 0.0
1962 38 25 0.02 0.2
1961 23 -7 0.00 0.0
1960 0 -13 0.00 0.0
1959 31 26 0.00 0.0
1958 25 19 0.00 0.0
1957 50 24 0.00 0.0
1956 42 16 0.00 0.0
1955 21 -2 0.00 0.0
1954 32 15 0.00 0.0
1953 34 -1 0.06 1.1
1952 26 8 0.00 0.0
1951 -3 -16 0.00 0.0
1950 45 11 0.00 0.0
1949 17 0 0.00 0.0
1948 33 10 0.00 0.0
1947 35 7 0.00 0.0
1946 31 14 0.00 0.0
1945 8 -3 0.03 0.2
1944 15 -3 0.00 0.0
1943 36 9 0.00 0.0
1942 32 23 0.00 n/a
1941 56 29 0.00 0.0
1940 40 25 0.00 0.0
1939 30 10 0.00 0.0
1938 26 8 0.00 0.0
1937 46 12 0.00 0.0
1936 30 20 0.00 0.0
1935 23 10 0.00 0.0
1934 29 21 0.00 0.0
1933 52 16 0.00 0.0
1932 36 21 0.00 0.0
All-Time Highest Temperatures in Sioux Falls on December 21
Rank Temperature Year
1 56 °F 1941
2 52 °F 1933
3 51 °F 1965
4 50 °F 1957
5 48 °F 1979
6 46 °F 1937
6 46 °F 1982
8 45 °F 1950
8 45 °F 2019
8 45 °F 2020
8 45 °F 1991
All-Time Lowest Temperatures in Sioux Falls on December 21
Rank Temperature Year
1 -25 °F 1989
2 -23 °F 1983
3 -20 °F 1990
4 -19 °F 1963
5 -16 °F 1951
6 -13 °F 1960
7 -12 °F 1999
8 -9 °F 2000
9 -8 °F 2008
10 -7 °F 1961
Lowest High Temperatures in Sioux Falls on December 21
Rank Temperature Year
1 -16 °F 1989
2 -10 °F 1990
3 -4 °F 1983
4 -3 °F 1951
5 0 °F 1960
5 0 °F 2008
7 3 °F 1998
8 4 °F 1963
8 4 °F 2000
10 8 °F 1945
All-Time Most Precipitation in Sioux Falls on December 21
Rank Precipitation Year
1 0.6 inches 2006
2 0.4 inches 1968
3 0.3 inches 2017
4 0.2 inches 2009
5 0.1 inches 1953
6 0.1 inches 1993
7 0.0 inches 1945
8 0.0 inches 1983
8 0.0 inches 1996
8 0.0 inches 1990
8 0.0 inches 1962
8 0.0 inches 1999
8 0.0 inches 1970
All-Time Most Snow in Sioux Falls on December 21
Rank Precipitation Year
1 5.7 inches 1968
2 4.3 inches 2017
3 2.0 inches 2009
4 1.1 inches 1953
5 1.0 inches 1996
5 1.0 inches 1999
7 0.7 inches 1990
8 0.6 inches 1993
9 0.3 inches 1983
10 0.2 inches 1962
10 0.2 inches 1945
10 0.2 inches 1970
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location