Rapid City May 18 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of May 18.

May 18 All-Time Records
1948–2023

92 °F

33 °F

44 °F

Highest daily low

65 °F

0.8 inches

Most snow

none

May 18 Average Weather
1991–2020 ¹

Average high

67.8 °F

Average low

42.8 °F

Chance precipitation

42.1%

Chance snow

1.0%

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	66	38	0.00	n/a
2022	70	47	0.00	n/a
2021	81	50	0.00	n/a
2020	76	43	0.00	n/a
2019	44	33	0.37	n/a
2018	71	45	0.21	0.0
2017	50	38	0.01	0.0
2016	70	34	0.00	0.0
2015	57	36	0.00	0.0
2014	74	44	0.00	0.0
2013	75	52	0.33	0.0
2012	79	53	0.55	0.0
2011	56	45	0.10	0.0
2010	72	48	0.00	0.0
2009	87	43	0.00	0.0
2008	85	45	0.00	0.0
2007	90	52	0.00	0.0
2006	90	49	0.00	0.0
2005	75	50	0.00	n/a
2004	65	45	0.00	n/a
2003	64	42	0.04	n/a
2002	62	39	0.00	n/a
2001	83	43	0.00	n/a
2000	58	34	0.00	0.0
1999	73	36	0.00	0.0
1998	74	48	0.00	n/a
1997	59	38	0.02	0.0
1996	82	45	0.00	n/a
1995	71	40	0.00	0.0
1994	75	59	0.00	0.0
1993	66	38	0.02	0.0
1992	92	49	0.00	0.0
1991	56	44	0.00	0.0
1990	63	42	0.06	0.0
1989	77	46	0.00	0.0
1988	74	50	0.05	0.0
1987	67	45	0.00	0.0
1986	69	40	0.00	0.0
1985	73	46	0.06	0.0
1984	75	43	0.00	0.0
1983	64	34	0.00	0.0
1982	72	41	0.00	0.0
1981	59	43	0.00	0.0
1980	71	43	0.00	0.0
1979	59	45	0.20	0.0
1978	62	50	0.56	0.0
1977	68	46	0.72	0.0
1976	85	43	0.00	0.0
1975	86	49	0.00	0.0
1974	62	44	0.02	0.0
1973	84	50	0.00	0.0
1972	86	58	0.00	0.0
1971	47	34	0.00	0.0
1970	75	51	0.00	0.0
1969	72	36	0.00	0.0
1968	51	36	0.02	0.0
1967	66	44	0.00	0.0
1966	58	36	0.00	0.0
1965	66	39	0.00	0.0
1964	78	57	0.00	0.0
1963	66	42	0.01	0.0
1962	63	51	0.79	0.0
1961	52	40	0.01	0.0
1960	65	40	0.18	0.0
1959	73	50	0.00	0.0
1958	72	44	0.00	0.0
1957	55	42	0.00	0.0
1956	83	54	0.00	0.0
1955	69	45	0.00	0.0
1954	66	46	0.00	0.0
1953	67	40	0.00	0.0
1952	63	40	0.14	0.0
1951	70	52	0.00	0.0
1950	72	45	0.03	0.0
1949	50	41	0.00	0.0
1948	90	65	0.00	0.0

What's the all-time high for Rapid City on 5/18?

For the date of May 18, the highest temperature ever reached in Rapid City history is 92 °F which happened in 1992.

Highest Temperatures in Rapid City on May 18

What's the all-time low for Rapid City on 5/18?

For the date of May 18, the lowest temperature ever reached in Rapid City history is 33 °F which happened in 2019.

Lowest Temperatures in Rapid City on May 18

Lowest High Temperatures in Rapid City on May 18

What's the most it has ever rained in Rapid City on 5/18?

For the date of May 18, the most precipitation ever recorded in Rapid City history is 0.79 inches which happened in 1962.

All-Time Most Precipitation in Rapid City on May 18

Weather Station Details

Years	Station	Coordinates
1948–2023	Rapid City Regional Airport	location