Rapid City May 20 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of May 20.

May 20 All-Time Records
1948–2024

92 °F

25 °F

39 °F

Highest daily low

59 °F

1.51 inches

Most snow

none

May 20 Average Weather
1991–2020 ¹

Average high

68.3 °F

Average low

43.5 °F

Chance precipitation

43.4%

Chance snow

1.0%

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	76	40	0.00	n/a
2022	48	31	0.01	n/a
2021	84	49	0.38	n/a
2020	80	54	0.01	n/a
2019	39	32	0.61	n/a
2018	60	35	0.00	0.0
2017	60	36	0.00	0.0
2016	73	52	0.05	0.0
2015	57	35	0.01	0.0
2014	68	49	0.00	0.0
2013	53	46	0.24	0.0
2012	71	37	0.00	0.0
2011	66	47	0.43	0.0
2010	68	42	0.03	0.0
2009	77	52	0.02	0.0
2008	75	41	0.00	0.0
2007	83	53	0.29	0.0
2006	80	51	0.14	0.0
2005	84	58	0.00	n/a
2004	61	48	0.03	n/a
2003	61	25	0.00	n/a
2002	67	41	0.00	n/a
2001	59	41	0.04	n/a
2000	68	46	0.00	0.0
1999	71	43	0.00	0.0
1998	78	49	0.01	n/a
1997	70	32	0.00	0.0
1996	62	40	0.18	0.0
1995	66	40	0.00	0.0
1994	75	53	0.22	0.0
1993	66	35	0.00	0.0
1992	90	57	0.00	0.0
1991	80	59	0.00	0.0
1990	65	47	1.01	0.0
1989	75	37	0.00	0.0
1988	63	44	0.26	0.0
1987	57	39	0.98	0.0
1986	77	43	0.00	0.0
1985	80	43	0.00	0.0
1984	87	47	0.02	0.0
1983	64	35	0.21	0.0
1982	53	48	0.53	0.0
1981	71	46	0.00	0.0
1980	79	46	0.00	0.0
1979	64	43	0.00	0.0
1978	66	40	0.00	0.0
1977	66	39	0.18	0.0
1976	72	47	0.14	0.0
1975	45	37	0.02	0.0
1974	68	40	0.00	0.0
1973	83	50	0.00	0.0
1972	75	53	0.04	0.0
1971	70	32	0.00	0.0
1970	77	49	0.00	0.0
1969	57	42	0.00	0.0
1968	60	26	0.00	0.0
1967	71	36	0.00	0.0
1966	76	41	0.00	0.0
1965	86	53	0.00	0.0
1964	92	59	0.00	0.0
1963	56	35	0.00	0.0
1962	58	51	0.01	0.0
1961	72	40	0.00	0.0
1960	70	36	0.00	0.0
1959	47	33	0.85	0.0
1958	79	47	0.16	0.0
1957	66	46	1.51	0.0
1956	81	54	0.00	0.0
1955	84	53	0.00	0.0
1954	91	55	0.00	0.0
1953	59	39	0.09	0.0
1952	67	46	0.07	0.0
1951	55	44	0.32	0.0
1950	65	43	0.00	0.0
1949	63	37	0.00	0.0
1948	73	59	0.00	0.0

What's the all-time high for Rapid City on 5/20?

For the date of May 20, the highest temperature ever reached in Rapid City history is 92 °F which happened in 1964.

Highest Temperatures in Rapid City on May 20

What's the all-time low for Rapid City on 5/20?

For the date of May 20, the lowest temperature ever reached in Rapid City history is 25 °F which happened in 2003.

Lowest Temperatures in Rapid City on May 20

Lowest High Temperatures in Rapid City on May 20

What's the most it has ever rained in Rapid City on 5/20?

For the date of May 20, the most precipitation ever recorded in Rapid City history is 1.51 inches which happened in 1957.

All-Time Most Precipitation in Rapid City on May 20

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location