Sioux Falls July 21 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of July 21.

July 21 All-Time Records
1932–2024

105 °F

45 °F

69 °F

Highest daily low

78 °F

2.50 inches

Most snow

none

July 21 Average Weather
1991–2020 ¹

Average high

84.3 °F

Average low

62.5 °F

Chance precipitation

30.1%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	85	56	0.04
2022	91	69	0.00
2021	88	68	0.00
2020	82	62	0.00
2019	84	60	0.00
2018	81	63	0.00
2017	86	72	0.06
2016	93	77	0.00
2015	80	50	0.00
2014	88	71	0.00
2013	85	65	0.00
2012	94	78	0.00
2011	82	62	0.00
2010	81	55	2.50
2009	80	59	0.00
2008	84	68	0.00
2007	85	65	0.00
2006	79	59	0.01
2005	87	71	0.00
2004	91	71	0.00
2003	77	59	0.00
2002	92	63	0.02
2001	90	73	0.02
2000	73	46	0.00
1999	85	70	0.00
1998	78	64	0.08
1997	81	67	0.11
1996	83	63	0.03
1995	95	63	0.09
1994	75	61	0.00
1993	79	60	0.00
1992	69	52	0.72
1991	90	69	0.03
1990	72	54	0.00
1989	86	58	0.00
1988	88	52	0.00
1987	90	68	0.05
1986	81	54	0.00
1985	80	54	0.03
1984	93	65	0.00
1983	97	78	0.00
1982	85	62	0.13
1981	90	62	0.00
1980	76	57	0.00
1979	94	71	0.11
1978	70	61	1.61
1977	83	61	0.00
1976	84	57	0.00
1975	93	61	0.00
1974	98	71	0.00
1973	71	62	0.24
1972	90	69	0.04
1971	94	62	0.00
1970	78	53	0.00
1969	83	57	0.00
1968	86	59	0.00
1967	96	72	0.00
1966	87	58	0.00
1965	86	70	0.00
1964	96	66	0.00
1963	95	67	0.00
1962	89	64	0.10
1961	79	60	0.00
1960	95	72	0.00
1959	92	68	0.00
1958	81	54	0.00
1957	74	64	0.37
1956	78	52	0.00
1955	94	72	0.15
1954	85	59	0.00
1953	82	58	0.00
1952	95	59	0.00
1951	77	64	0.03
1950	82	63	0.01
1949	83	57	0.01
1948	81	65	0.57
1947	73	45	0.00
1946	82	58	0.00
1945	87	68	0.00
1944	78	52	0.00
1943	83	67	0.00
1942	78	56	0.00
1941	92	70	0.00
1940	102	70	0.00
1939	88	68	0.00
1938	84	62	0.23
1937	93	72	0.00
1936	93	63	0.00
1935	92	65	0.42
1934	105	75	0.00
1933	82	58	0.00
1932	90	65	0.00

What's the all-time high for Sioux Falls on 7/21?

For the date of Jul 21, the highest temperature ever reached in Sioux Falls history is 105 °F which happened in 1934.

Highest Temperatures in Sioux Falls on July 21

What's the all-time low for Sioux Falls on 7/21?

For the date of Jul 21, the lowest temperature ever reached in Sioux Falls history is 45 °F which happened in 1947.

Lowest Temperatures in Sioux Falls on July 21

Lowest High Temperatures in Sioux Falls on July 21

What's the most it has ever rained in Sioux Falls on 7/21?

For the date of Jul 21, the most precipitation ever recorded in Sioux Falls history is 2.50 inches which happened in 2010.

All-Time Most Precipitation in Sioux Falls on July 21

Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location