Rapid City May 12 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of May 12.

May 12 All-Time Records 1948–2024
Highest temperature	90 °F	1960
Lowest temperature	22 °F	1953
Lowest daily high	36 °F	1953
Highest daily low	58 °F	1958
Most precipitation	0.84 inches	2023
Most snow	3.1 inches	2010

May 12 All-Time Records
1948–2024

Highest temperature

90 °F

22 °F

36 °F

Highest daily low

58 °F

0.84 inches

3.1 inches

May 12 Average Weather 1991–2020 ¹
Average high	65.5 °F
Average low	40.4 °F
Chance precipitation	39.7%
Chance snow	2.1%

May 12 Average Weather
1991–2020 ¹

Average high

65.5 °F

Average low

40.4 °F

Chance precipitation

39.7%

Chance snow

2.1%

Rapid City May 12 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	58	52	0.84	n/a
2022	61	48	0.19	n/a
2021	65	31	0.01	n/a
2020	46	34	0.16	n/a
2019	65	31	0.00	n/a
2018	46	41	0.36	0.0
2017	82	45	0.00	0.0
2016	67	29	0.00	0.0
2015	68	30	0.00	0.0
2014	51	32	0.00	0.0
2013	75	36	0.00	0.0
2012	66	30	0.00	0.0
2011	52	40	0.41	0.0
2010	39	32	0.54	3.1
2009	76	46	0.00	0.0
2008	55	43	0.00	0.0
2007	78	50	0.00	0.0
2006	68	35	0.00	0.0
2005	39	31	0.23	n/a
2004	49	34	0.12	n/a
2003	67	33	0.00	n/a
2002	65	33	0.00	n/a
2001	82	43	0.00	n/a
2000	49	31	0.00	0.0
1999	67	31	0.00	0.0
1998	66	42	0.05	n/a
1997	60	36	0.00	0.0
1996	55	42	0.05	n/a
1995	70	49	0.29	0.0
1994	83	47	0.00	0.0
1993	75	45	0.00	0.0
1992	62	41	0.00	0.0
1991	69	52	0.19	0.0
1990	62	33	0.00	0.0
1989	68	47	0.08	0.0
1988	83	51	0.00	0.0
1987	82	50	0.02	0.0
1986	61	41	0.00	0.0
1985	62	46	0.00	0.0
1984	79	45	0.00	0.0
1983	47	28	0.00	0.0
1982	50	43	0.05	0.0
1981	55	41	0.12	0.0
1980	48	36	0.21	0.0
1979	63	34	0.00	0.0
1978	59	39	0.04	0.0
1977	83	51	0.00	0.0
1976	53	36	0.00	0.0
1975	59	42	0.00	0.0
1974	73	32	0.12	0.0
1973	60	33	0.00	0.0
1972	62	36	0.01	0.0
1971	71	39	0.00	0.0
1970	70	44	0.01	0.0
1969	78	41	0.00	0.0
1968	71	33	0.00	0.0
1967	49	32	0.17	1.1
1966	49	28	0.00	0.0
1965	79	44	0.00	0.0
1964	64	37	0.00	0.0
1963	62	39	0.12	0.0
1962	75	53	0.00	0.0
1961	65	49	0.00	0.0
1960	90	42	0.00	0.0
1959	69	38	0.00	0.0
1958	85	58	0.00	0.0
1957	57	49	0.10	0.0
1956	63	42	0.44	0.0
1955	82	48	0.00	0.0
1954	77	42	0.00	0.0
1953	36	22	0.01	0.0
1952	74	39	0.00	0.0
1951	80	41	0.26	0.0
1950	67	43	0.27	0.0
1949	80	52	0.00	0.0
1948	60	34	0.00	0.0

What's the all-time high for Rapid City on 5/12?

For the date of May 12, the highest temperature ever reached in Rapid City history is 90 °F which happened in 1960.

Highest Temperatures in Rapid City on May 12

Rank	Temperature	Year
1	90 °F	1960
2	85 °F	1958
3	83 °F	1988
3	83 °F	1994
3	83 °F	1977
6	82 °F	2001
6	82 °F	1955
6	82 °F	2017
6	82 °F	1987
10	80 °F	1949
10	80 °F	1951

What's the all-time low for Rapid City on 5/12?

For the date of May 12, the lowest temperature ever reached in Rapid City history is 22 °F which happened in 1953.

Lowest Temperatures in Rapid City on May 12

Rank	Temperature	Year
1	22 °F	1953
2	28 °F	1966
2	28 °F	1983
4	29 °F	2016
5	30 °F	2012
5	30 °F	2015
7	31 °F	2019
7	31 °F	2005
7	31 °F	2000
7	31 °F	2021
7	31 °F	1999

Lowest High Temperatures in Rapid City on May 12

Rank	Temperature	Year
1	36 °F	1953
2	39 °F	2005
2	39 °F	2010
4	46 °F	2020
4	46 °F	2018
6	47 °F	1983
7	48 °F	1980
8	49 °F	1966
8	49 °F	1967
8	49 °F	2004
8	49 °F	2000

What's the most it has ever rained in Rapid City on 5/12?

For the date of May 12, the most precipitation ever recorded in Rapid City history is 0.84 inches which happened in 2023.

All-Time Most Precipitation in Rapid City on May 12

Rank	Precipitation	Year
1	0.84 inches	2023
2	0.54 inches	2010
3	0.44 inches	1956
4	0.41 inches	2011
5	0.36 inches	2018
6	0.29 inches	1995
7	0.27 inches	1950
8	0.26 inches	1951
9	0.23 inches	2005
10	0.21 inches	1980

All-Time Most Snow in Rapid City on May 12

Rank	Precipitation	Year
1	3.1 inches	2010
2	1.1 inches	1967

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location