Sioux Falls October 18 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of October 18.

October 18 All-Time Records 1932–2024
Highest temperature	84 °F	2003
Lowest temperature	15 °F	1972
Lowest daily high	33 °F	1972
Highest daily low	61 °F	1965
Most precipitation	1.58 inches	1984
Most snow	1.4 inches	2006

October 18 All-Time Records
1932–2024

Highest temperature

84 °F

15 °F

33 °F

Highest daily low

61 °F

1.58 inches

1.4 inches

October 18 Average Weather 1991–2020 ¹
Average high	59.0 °F
Average low	36.5 °F
Chance precipitation	25.2%
Chance snow	3.3%

October 18 Average Weather
1991–2020 ¹

Average high

59.0 °F

Average low

36.5 °F

Chance precipitation

25.2%

Chance snow

3.3%

Sioux Falls October 18 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	61	51	0.01	0.0
2022	44	17	0.00	0.0
2021	76	42	0.00	0.0
2020	41	28	0.00	0.0
2019	72	50	0.00	0.0
2018	71	35	0.00	0.0
2017	74	41	0.00	0.0
2016	67	41	0.00	0.0
2015	68	42	0.00	0.0
2014	53	42	0.00	0.0
2013	52	29	0.00	0.0
2012	45	40	0.58	0.0
2011	51	31	0.00	0.0
2010	58	33	0.00	0.0
2009	64	39	0.00	0.0
2008	59	39	0.00	0.0
2007	57	51	0.46	0.0
2006	39	29	0.13	1.4
2005	81	42	0.00	0.0
2004	58	40	0.00	0.0
2003	84	40	0.00	0.0
2002	53	36	0.00	0.0
2001	58	39	0.00	0.0
2000	78	35	0.00	0.0
1999	55	35	0.02	0.0
1998	60	35	0.00	0.0
1997	68	45	0.00	0.0
1996	50	32	0.00	0.0
1995	66	36	0.00	0.0
1994	65	47	0.00	0.0
1993	61	40	0.00	0.0
1992	46	19	0.00	0.0
1991	46	25	0.10	0.9
1990	44	24	0.00	0.0
1989	48	19	0.00	0.0
1988	58	31	0.00	0.0
1987	49	30	0.00	0.0
1986	63	42	0.00	0.0
1985	63	37	0.00	0.0
1984	52	37	1.58	0.0
1983	58	46	0.10	0.0
1982	63	42	0.00	0.0
1981	48	31	0.00	0.0
1980	41	29	0.02	0.1
1979	66	45	0.47	0.0
1978	55	33	0.00	0.0
1977	60	34	0.00	0.0
1976	38	32	0.15	1.4
1975	65	30	0.00	0.0
1974	64	37	0.00	0.0
1973	70	33	0.00	0.0
1972	33	15	0.02	0.2
1971	77	52	0.19	0.0
1970	60	35	0.00	0.0
1969	53	40	0.00	0.0
1968	37	32	0.17	0.7
1967	56	30	0.00	0.0
1966	52	33	0.00	0.0
1965	72	61	0.13	0.0
1964	56	27	0.00	0.0
1963	68	45	0.00	0.0
1962	72	37	0.00	0.0
1961	50	35	0.04	0.0
1960	53	30	0.00	0.0
1959	69	28	0.00	0.0
1958	73	35	0.00	0.0
1957	59	28	0.00	0.0
1956	79	48	0.00	0.0
1955	62	29	0.00	0.0
1954	54	30	0.00	0.0
1953	80	47	0.00	0.0
1952	72	27	0.00	0.0
1951	41	32	0.31	0.4
1950	80	52	0.00	0.0
1949	70	56	0.00	0.0
1948	64	24	0.00	0.0
1947	72	40	0.00	0.0
1946	56	28	0.00	0.0
1945	80	51	0.00	0.0
1944	66	48	0.00	0.0
1943	65	35	0.00	0.0
1942	68	34	0.00	0.0
1941	65	46	0.00	0.0
1940	70	45	0.00	0.0
1939	70	41	0.00	0.0
1938	69	47	0.00	0.0
1937	48	35	0.14	0.0
1936	78	48	0.00	0.0
1935	73	40	0.00	0.0
1934	54	37	0.01	0.0
1933	51	27	0.00	0.0
1932	60	45	0.00	0.0

What's the all-time high for Sioux Falls on 10/18?

For the date of Oct 18, the highest temperature ever reached in Sioux Falls history is 84 °F which happened in 2003.

Highest Temperatures in Sioux Falls on October 18

Rank	Temperature	Year
1	84 °F	2003
2	81 °F	2005
3	80 °F	1945
3	80 °F	1953
3	80 °F	1950
6	79 °F	1956
7	78 °F	2000
7	78 °F	1936
9	77 °F	1971
10	76 °F	2021

What's the all-time low for Sioux Falls on 10/18?

For the date of Oct 18, the lowest temperature ever reached in Sioux Falls history is 15 °F which happened in 1972.

Lowest Temperatures in Sioux Falls on October 18

Rank	Temperature	Year
1	15 °F	1972
2	17 °F	2022
3	19 °F	1992
3	19 °F	1989
5	24 °F	1948
5	24 °F	1990
7	25 °F	1991
8	27 °F	1952
8	27 °F	1964
8	27 °F	1933

Lowest High Temperatures in Sioux Falls on October 18

Rank	Temperature	Year
1	33 °F	1972
2	37 °F	1968
3	38 °F	1976
4	39 °F	2006
5	41 °F	2020
5	41 °F	1980
5	41 °F	1951
8	44 °F	2022
8	44 °F	1990
10	45 °F	2012

What's the most it has ever rained in Sioux Falls on 10/18?

For the date of Oct 18, the most precipitation ever recorded in Sioux Falls history is 1.58 inches which happened in 1984.

All-Time Most Precipitation in Sioux Falls on October 18

Rank	Precipitation	Year
1	1.58 inches	1984
2	0.58 inches	2012
3	0.47 inches	1979
4	0.46 inches	2007
5	0.31 inches	1951
6	0.19 inches	1971
7	0.17 inches	1968
8	0.15 inches	1976
9	0.14 inches	1937
10	0.13 inches	1965
10	0.13 inches	2006

All-Time Most Snow in Sioux Falls on October 18

Rank	Precipitation	Year
1	1.4 inches	1976
1	1.4 inches	2006
3	0.9 inches	1991
4	0.7 inches	1968
5	0.4 inches	1951
6	0.2 inches	1972
7	0.1 inches	1980

Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location