Sioux Falls October 20 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of October 20.

October 20 All-Time Records 1932–2024
Highest temperature	85 °F	1947
Lowest temperature	16 °F	1989
Lowest daily high	39 °F	1987
Highest daily low	59 °F	1963
Most precipitation	0.57 inches	2021
Most snow	0.1 inches	2020

October 20 All-Time Records
1932–2024

Highest temperature

85 °F

16 °F

39 °F

Highest daily low

59 °F

0.57 inches

0.1 inches

October 20 Average Weather 1991–2020 ¹
Average high	58.1 °F
Average low	35.4 °F
Chance precipitation	24.0%
Chance snow	3.8%

October 20 Average Weather
1991–2020 ¹

Average high

58.1 °F

Average low

35.4 °F

Chance precipitation

24.0%

Chance snow

3.8%

Sioux Falls October 20 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	79	42	0.00	0.0
2022	71	34	0.00	0.0
2021	53	38	0.57	0.0
2020	46	34	0.26	0.1
2019	60	36	0.04	0.0
2018	47	30	0.00	0.0
2017	77	56	0.00	0.0
2016	51	32	0.00	0.0
2015	75	46	0.00	0.0
2014	70	35	0.00	0.0
2013	54	34	0.01	0.0
2012	61	31	0.00	0.0
2011	53	24	0.00	0.0
2010	70	37	0.00	0.0
2009	56	45	0.01	0.0
2008	60	36	0.00	0.0
2007	73	38	0.00	0.0
2006	54	32	0.00	0.0
2005	60	30	0.00	0.0
2004	53	46	0.00	0.0
2003	78	37	0.00	0.0
2002	60	31	0.00	0.0
2001	65	37	0.00	0.0
2000	70	41	0.00	0.0
1999	65	24	0.00	0.0
1998	58	30	0.00	0.0
1997	52	26	0.00	0.0
1996	61	41	0.00	0.0
1995	46	36	0.00	0.0
1994	73	36	0.00	0.0
1993	52	30	0.04	0.0
1992	63	32	0.00	0.0
1991	62	27	0.00	0.0
1990	47	38	0.29	0.0
1989	63	16	0.00	0.0
1988	57	40	0.00	0.0
1987	39	26	0.01	0.1
1986	74	41	0.00	0.0
1985	63	32	0.00	0.0
1984	50	30	0.00	0.0
1983	49	43	0.02	0.0
1982	39	25	0.00	0.0
1981	53	42	0.00	0.0
1980	66	38	0.00	0.0
1979	65	44	0.00	0.0
1978	78	33	0.00	0.0
1977	74	43	0.00	0.0
1976	46	28	0.00	0.0
1975	72	33	0.00	0.0
1974	59	33	0.00	0.0
1973	71	34	0.00	0.0
1972	41	33	0.19	0.0
1971	60	30	0.00	0.0
1970	62	44	0.00	0.0
1969	55	35	0.02	0.0
1968	70	29	0.00	0.0
1967	60	29	0.00	0.0
1966	67	33	0.00	0.0
1965	56	41	0.00	0.0
1964	78	32	0.00	0.0
1963	74	59	0.00	0.0
1962	60	33	0.00	0.0
1961	61	32	0.00	0.0
1960	39	20	0.00	0.0
1959	57	33	0.00	0.0
1958	74	50	0.00	0.0
1957	48	35	0.04	0.0
1956	63	36	0.00	0.0
1955	59	35	0.00	0.0
1954	56	39	0.02	0.0
1953	80	56	0.00	0.0
1952	46	22	0.00	0.0
1951	54	35	0.00	0.0
1950	73	39	0.00	0.0
1949	47	35	0.10	0.0
1948	65	40	0.00	0.0
1947	85	43	0.00	0.0
1946	68	44	0.00	0.0
1945	55	36	0.00	0.0
1944	57	38	0.00	0.0
1943	67	48	0.00	0.0
1942	68	44	0.00	0.0
1941	70	50	0.06	0.0
1940	77	47	0.00	0.0
1939	63	49	0.00	0.0
1938	64	37	0.00	0.0
1937	52	36	0.00	0.0
1936	50	30	0.07	0.0
1935	72	51	0.32	0.0
1934	62	42	0.14	0.0
1933	52	36	0.00	0.0
1932	49	33	0.00	0.0

What's the all-time high for Sioux Falls on 10/20?

For the date of Oct 20, the highest temperature ever reached in Sioux Falls history is 85 °F which happened in 1947.

Highest Temperatures in Sioux Falls on October 20

Rank	Temperature	Year
1	85 °F	1947
2	80 °F	1953
3	79 °F	2023
4	78 °F	1978
4	78 °F	2003
4	78 °F	1964
7	77 °F	1940
7	77 °F	2017
9	75 °F	2015
10	74 °F	1963
10	74 °F	1986
10	74 °F	1977
10	74 °F	1958

What's the all-time low for Sioux Falls on 10/20?

For the date of Oct 20, the lowest temperature ever reached in Sioux Falls history is 16 °F which happened in 1989.

Lowest Temperatures in Sioux Falls on October 20

Rank	Temperature	Year
1	16 °F	1989
2	20 °F	1960
3	22 °F	1952
4	24 °F	2011
4	24 °F	1999
6	25 °F	1982
7	26 °F	1997
7	26 °F	1987
9	27 °F	1991
10	28 °F	1976

Lowest High Temperatures in Sioux Falls on October 20

Rank	Temperature	Year
1	39 °F	1960
1	39 °F	1982
1	39 °F	1987
4	41 °F	1972
5	46 °F	1995
5	46 °F	1952
5	46 °F	1976
5	46 °F	2020
9	47 °F	2018
9	47 °F	1990
9	47 °F	1949

What's the most it has ever rained in Sioux Falls on 10/20?

For the date of Oct 20, the most precipitation ever recorded in Sioux Falls history is 0.57 inches which happened in 2021.

All-Time Most Precipitation in Sioux Falls on October 20

Rank	Precipitation	Year
1	0.57 inches	2021
2	0.32 inches	1935
3	0.29 inches	1990
4	0.26 inches	2020
5	0.19 inches	1972
6	0.14 inches	1934
7	0.10 inches	1949
8	0.07 inches	1936
9	0.06 inches	1941
10	0.04 inches	2019
10	0.04 inches	1993
10	0.04 inches	1957

All-Time Most Snow in Sioux Falls on October 20

Rank	Precipitation	Year
1	0.1 inches	2020
1	0.1 inches	1987

Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location