Average May Temperature in Rapid City by Year

This page contains a list of the average monthly high and low temperatures in Rapid City, South Dakota for the month of May each year between 1948 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Rapid City?

1958 was the warmest May in the history of Rapid City, South Dakota. The average daily high temperature was 75.9 °F, and the average low was 47.7 °F.

What Was the Coldest May Ever in Rapid City?

2019 was the coolest May in the history of Rapid City, South Dakota. The average daily high temperature was 58.2 °F, and the average low was 36.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	9	73.2	44.9
2022	61	66.6	39.3
2021	63	65.6	40.0
2020	59	65.8	40.3
2019	76	58.2	36.6
2018	10	71.5	46.5
2017	33	69.3	41.5
2016	49	68.1	39.7
2015	66	62.2	41.6
2014	44	66.4	42.5
2013	36	68.9	41.5
2012	29	70.3	41.5
2011	72	61.0	40.1
2010	69	62.9	40.2
2009	46	68.9	39.3
2008	70	62.2	39.9
2007	7	73.1	45.5
2006	13	71.6	43.6
2005	54	65.5	41.7
2004	32	69.1	42.0
2003	39	67.7	42.3
2002	67	64.9	38.7
2001	26	69.4	42.8
2000	27	68.9	43.1
1999	60	65.0	40.9
1998	23	69.6	42.7
1997	62	65.1	40.5
1996	73	60.1	41.0
1995	68	62.1	41.4
1994	4	73.9	46.4
1993	25	68.6	43.7
1992	14	72.2	42.6
1991	21	67.1	46.0
1990	58	65.6	40.8
1989	35	69.4	41.3
1988	5	74.0	45.9
1987	6	71.5	47.4
1986	40	67.7	42.1
1985	2	76.3	47.2
1984	55	67.4	39.8
1983	65	64.2	39.7
1982	57	63.5	43.1
1981	42	66.4	43.4
1980	16	70.3	44.5
1979	56	66.5	40.6
1978	38	66.3	43.8
1977	3	73.8	46.7
1976	34	68.5	42.2
1975	48	66.9	41.0
1974	50	68.1	39.5
1973	51	68.0	39.5
1972	37	67.0	43.3
1971	53	65.7	41.5
1970	31	69.3	41.9
1969	15	72.4	42.4
1968	71	62.7	38.9
1967	75	60.5	39.1
1966	28	71.6	40.3
1965	43	66.6	42.8
1964	11	70.4	46.5
1963	18	69.8	44.1
1962	12	69.0	47.5
1961	30	67.2	44.2
1960	19	71.2	42.6
1959	52	64.9	42.5
1958	1	75.9	47.7
1957	47	63.3	44.6
1956	20	68.3	45.2
1955	8	72.7	45.7
1954	45	66.7	41.7
1953	64	64.2	40.8
1952	24	67.7	44.5
1951	22	68.4	44.1
1950	74	62.3	38.6
1949	17	69.6	45.1
1948	41	66.6	43.2

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location