Rapid City July 21 Weather Records

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

July 21 All-Time Records
1948–2024

106 °F

49 °F

59 °F

Highest daily low

72 °F

1.21 inches

Most snow

none

July 21 Average Weather
1991–2020 ¹

Average high

87.4 °F

Average low

58.7 °F

Chance precipitation

29.8%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	87	51	0.00	n/a
2022	97	59	0.00	n/a
2021	92	65	0.12	n/a
2020	82	58	0.00	n/a
2019	75	61	0.00	n/a
2018	88	59	0.78	0.0
2017	96	63	0.00	0.0
2016	96	71	0.00	0.0
2015	81	58	0.00	0.0
2014	96	64	0.00	0.0
2013	90	61	0.00	0.0
2012	96	66	0.21	0.0
2011	92	54	0.00	0.0
2010	82	61	0.09	0.0
2009	82	51	0.00	0.0
2008	88	60	0.00	0.0
2007	106	72	0.06	0.0
2006	82	58	0.00	0.0
2005	99	60	0.00	n/a
2004	91	64	0.00	n/a
2003	92	59	0.01	n/a
2002	97	62	0.18	n/a
2001	97	64	0.00	n/a
2000	80	54	0.28	0.0
1999	96	61	0.00	0.0
1998	77	58	0.00	n/a
1997	79	58	0.94	0.0
1996	85	58	0.00	n/a
1995	83	57	0.64	0.0
1994	86	56	0.00	0.0
1993	86	59	0.03	0.0
1992	65	50	0.98	0.0
1991	98	65	0.00	0.0
1990	68	53	0.68	0.0
1989	90	58	0.00	0.0
1988	91	51	0.00	0.0
1987	102	63	0.00	0.0
1986	81	52	0.00	0.0
1985	87	62	0.00	0.0
1984	92	67	0.00	0.0
1983	86	63	0.00	0.0
1982	90	64	0.00	0.0
1981	86	61	0.03	0.0
1980	80	52	0.00	0.0
1979	89	59	0.00	0.0
1978	59	55	1.21	0.0
1977	80	52	0.00	0.0
1976	81	60	0.00	0.0
1975	90	63	0.00	0.0
1974	95	66	0.01	0.0
1973	68	54	0.00	0.0
1972	80	55	0.03	0.0
1971	88	58	0.00	0.0
1970	89	57	0.00	0.0
1969	82	55	0.00	0.0
1968	79	57	0.00	0.0
1967	95	61	0.00	0.0
1966	90	60	0.23	0.0
1965	97	64	0.00	0.0
1964	104	71	0.00	0.0
1963	93	64	0.00	0.0
1962	87	62	0.00	0.0
1961	79	57	0.00	0.0
1960	102	71	0.00	0.0
1959	96	60	0.01	0.0
1958	83	55	0.00	0.0
1957	86	60	0.00	0.0
1956	85	58	0.00	0.0
1955	100	72	0.02	0.0
1954	99	65	0.03	0.0
1953	80	58	0.00	0.0
1952	92	57	0.00	0.0
1951	71	57	0.04	0.0
1950	78	52	0.00	0.0
1949	83	49	0.00	0.0
1948	79	52	0.03	0.0

What's the all-time high for Rapid City on 7/21?

For the date of Jul 21, the highest temperature ever reached in Rapid City history is 106 °F which happened in 2007.

Highest Temperatures in Rapid City on July 21

What's the all-time low for Rapid City on 7/21?

For the date of Jul 21, the lowest temperature ever reached in Rapid City history is 49 °F which happened in 1949.

Lowest Temperatures in Rapid City on July 21

Lowest High Temperatures in Rapid City on July 21

What's the most it has ever rained in Rapid City on 7/21?

For the date of Jul 21, the most precipitation ever recorded in Rapid City history is 1.21 inches which happened in 1978.

All-Time Most Precipitation in Rapid City on July 21

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location