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 1932–2024
Highest temperature	56 °F	1941
Lowest temperature	-25 °F	1989
Lowest daily high	-16 °F	1989
Highest daily low	32 °F	2006
Most precipitation	0.58 inches	2006
Most snow	5.7 inches	1968

December 21 All-Time Records
1932–2024

Highest temperature

56 °F

-25 °F

-16 °F

Highest daily low

32 °F

0.58 inches

5.7 inches

December 21 Average Weather 1991–2020 ¹
Average high	29.1 °F
Average low	11.2 °F
Chance precipitation	26.8%
Chance snow	23.1%

December 21 Average Weather
1991–2020 ¹

Average high

29.1 °F

Average low

11.2 °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)
2023	49	27	0.00	0.0
2022	4	-8	0.15	2.0
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

What's the all-time high for Sioux Falls on 12/21?

For the date of Dec 21, the highest temperature ever reached in Sioux Falls history is 56 °F which happened in 1941.

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	49 °F	2023
6	48 °F	1979
7	46 °F	1982
7	46 °F	1937
9	45 °F	1950
9	45 °F	2019
9	45 °F	2020
9	45 °F	1991

What's the all-time low for Sioux Falls on 12/21?

For the date of Dec 21, the lowest temperature ever reached in Sioux Falls history is -25 °F which happened in 1989.

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	2022
9	-8 °F	2008

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
8	4 °F	2022

What's the most it has ever rained in Sioux Falls on 12/21?

For the date of Dec 21, the most precipitation ever recorded in Sioux Falls history is 0.58 inches which happened in 2006.

All-Time Most Precipitation in Sioux Falls on December 21

Rank	Precipitation	Year
1	0.58 inches	2006
2	0.44 inches	1968
3	0.31 inches	2017
4	0.20 inches	2009
5	0.15 inches	2022
6	0.06 inches	1953
7	0.05 inches	1993
8	0.03 inches	1945
9	0.02 inches	1983
9	0.02 inches	1996
9	0.02 inches	1970
9	0.02 inches	1999
9	0.02 inches	1962
9	0.02 inches	1990

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	2022
3	2.0 inches	2009
5	1.1 inches	1953
6	1.0 inches	1999
6	1.0 inches	1996
8	0.7 inches	1990
9	0.6 inches	1993
10	0.3 inches	1983

Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location