Rapid City May 9 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of May 9.

May 9 All-Time Records 1948–2024
Highest temperature	86 °F	1962
Lowest temperature	25 °F	2002
Lowest daily high	36 °F	1979
Highest daily low	62 °F	1985
Most precipitation	1.17 inches	2015
Most snow	6.1 inches	2015

May 9 All-Time Records
1948–2024

Highest temperature

86 °F

25 °F

36 °F

Highest daily low

62 °F

1.17 inches

6.1 inches

May 9 Average Weather 1991–2020 ¹
Average high	64.5 °F
Average low	39.3 °F
Chance precipitation	39.0%
Chance snow	3.2%

May 9 Average Weather
1991–2020 ¹

Average high

64.5 °F

Average low

39.3 °F

Chance precipitation

39.0%

Chance snow

3.2%

Rapid City May 9 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	82	48	0.01	n/a
2022	64	43	0.36	n/a
2021	50	36	0.05	n/a
2020	50	27	0.00	n/a
2019	51	29	0.00	n/a
2018	73	46	0.00	0.0
2017	62	48	0.18	0.0
2016	57	42	0.24	0.0
2015	46	32	1.17	6.1
2014	62	27	0.00	0.0
2013	66	41	0.00	0.0
2012	76	33	0.00	0.0
2011	63	53	0.24	0.0
2010	64	33	0.01	0.0
2009	59	30	0.01	0.0
2008	54	39	0.60	0.0
2007	81	44	0.00	0.0
2006	51	37	0.41	0.0
2005	64	45	0.22	n/a
2004	78	47	0.00	n/a
2003	54	41	0.00	n/a
2002	55	25	0.00	n/a
2001	75	49	0.07	n/a
2000	68	37	0.00	0.0
1999	55	42	0.02	0.0
1998	62	29	0.00	n/a
1997	74	31	0.00	0.0
1996	49	31	0.40	0.9
1995	50	41	0.54	0.0
1994	73	41	0.00	0.0
1993	62	40	0.00	0.0
1992	81	46	0.80	0.0
1991	80	56	0.14	0.0
1990	47	29	0.11	0.5
1989	69	36	0.00	0.0
1988	72	36	0.00	0.0
1987	83	52	0.02	0.0
1986	60	38	0.41	0.0
1985	83	62	0.00	0.0
1984	80	37	0.00	0.0
1983	77	47	0.00	0.0
1982	69	43	0.00	0.0
1981	54	34	0.03	0.0
1980	75	48	0.04	0.0
1979	36	32	0.31	2.6
1978	70	36	0.00	0.0
1977	80	52	0.00	0.0
1976	78	42	0.00	0.0
1975	69	44	0.00	0.0
1974	75	41	0.02	0.0
1973	63	39	0.00	0.0
1972	48	42	0.07	0.0
1971	69	48	0.17	0.0
1970	57	36	0.00	0.0
1969	76	35	0.00	0.0
1968	64	30	0.00	0.0
1967	77	45	0.00	0.0
1966	49	35	0.00	0.0
1965	46	32	0.39	3.7
1964	65	45	0.00	0.0
1963	82	48	0.03	0.0
1962	86	52	0.00	0.0
1961	81	40	0.00	0.0
1960	69	42	0.00	0.0
1959	73	40	0.01	0.0
1958	78	43	0.00	0.0
1957	46	40	0.11	0.0
1956	69	47	0.00	0.0
1955	60	41	0.00	0.0
1954	58	42	0.00	0.0
1953	60	42	0.11	0.0
1952	54	40	0.20	0.0
1951	60	46	0.17	0.0
1950	59	29	0.00	0.0
1949	70	42	0.00	0.0
1948	37	32	0.24	0.9

What's the all-time high for Rapid City on 5/9?

For the date of May 9, the highest temperature ever reached in Rapid City history is 86 °F which happened in 1962.

Highest Temperatures in Rapid City on May 9

Rank	Temperature	Year
1	86 °F	1962
2	83 °F	1985
2	83 °F	1987
4	82 °F	1963
4	82 °F	2023
6	81 °F	1961
6	81 °F	1992
6	81 °F	2007
9	80 °F	1984
9	80 °F	1991
9	80 °F	1977

What's the all-time low for Rapid City on 5/9?

For the date of May 9, the lowest temperature ever reached in Rapid City history is 25 °F which happened in 2002.

Lowest Temperatures in Rapid City on May 9

Rank	Temperature	Year
1	25 °F	2002
2	27 °F	2014
2	27 °F	2020
4	29 °F	1998
4	29 °F	1950
4	29 °F	2019
4	29 °F	1990
8	30 °F	2009
8	30 °F	1968
10	31 °F	1996
10	31 °F	1997

Lowest High Temperatures in Rapid City on May 9

Rank	Temperature	Year
1	36 °F	1979
2	37 °F	1948
3	46 °F	2015
3	46 °F	1965
3	46 °F	1957
6	47 °F	1990
7	48 °F	1972
8	49 °F	1996
8	49 °F	1966
10	50 °F	2021
10	50 °F	1995
10	50 °F	2020

What's the most it has ever rained in Rapid City on 5/9?

For the date of May 9, the most precipitation ever recorded in Rapid City history is 1.17 inches which happened in 2015.

All-Time Most Precipitation in Rapid City on May 9

Rank	Precipitation	Year
1	1.17 inches	2015
2	0.80 inches	1992
3	0.60 inches	2008
4	0.54 inches	1995
5	0.41 inches	2006
5	0.41 inches	1986
7	0.40 inches	1996
8	0.39 inches	1965
9	0.36 inches	2022
10	0.31 inches	1979

All-Time Most Snow in Rapid City on May 9

Rank	Precipitation	Year
1	6.1 inches	2015
2	3.7 inches	1965
3	2.6 inches	1979
4	0.9 inches	1948
4	0.9 inches	1996
6	0.5 inches	1990

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location