Rapid City Downtown, SD: Summer

31 August 2026: Summer 2026 averaged 74.1°F in Rapid City Downtown, SD, the warmest summer since 2021, 5th warmest of 115.

Summer 2026

Mean temperature: 74.1°F; Warmest since 2021; 5th warmest of 115
Precipitation: 6.37 in; Driest since 2024; 43rd driest of 115

The mean temperature of every summer in Rapid City Downtown, SD since 1888: 74.1°F in 2026; the highest is 76.1°F, in 1936.

Every year, ranked, as a table

Every summer in Rapid City Downtown, SD from 1888 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	74.1	5	86.8	5	61.5	4	6.37	73	0
2025	71.2	32	82.7	45	59.8	17	8.39	38	0
2024	72.8	12	85.1	15	60.5	9	4.22	104	0
2023	71	37	81.6	62	60.4	11	8.37	40	0
2022	73.5	6	86.1	8	61	7	10.57	16	0
2021	75.2	2	87.9	3	62.6	2	4.42	102	0
2020	72.7	13	84.8	20	60.5	9	6.85	65	0
2019	68.1	87	78	104	58.1	54	12.99	6	0
2018	69.3	68	79.6	87	59	32	13.78	5	0
2017	72.4	17	85	16	59.8	17	5.34	89	0
2016	72.6	15	85	16	60.3	13	6.76	66	0
2015	70.2	52	80.6	72	59.7	23	12.45	7	0
2014	67.7	92	77.5	108	57.9	60	12.22	10	0
2013	71.2	32	82.4	52	60.1	15	7.10	61	0
2012	74.8	3	88.1	2	61.6	3	4.93	95	0
2011	70.9	43	82.5	50	59.4	26	8.27	43	0
2010	69.5	63	80.6	72	58.4	47	7.42	53	0
2009	66	110	76.8	112	55.3	98	7.43	52	0
2008	69	71	80.7	71	57.4	68	8.03	47	0
2007	73.1	9	85	16	61.2	5	7.31	55	0
2006	73.3	7	85.4	10	61.2	5	6.15	77	1
2005	71	37	83.3	38	58.8	34	5.47	88	0
2004	67.8	90	79.6	87	56.1	92	6.01	79	0
2003	72.2	19	83.9	31	60.3	13	3.45	109	1
2002	72.5	16	85.2	14	59.9	16	4.45	100	0
2001	71	37	82.6	48	59.3	27	10.21	19	0
2000	70.8	44	82.4	52	59.2	30	7.18	60	0
1999	68.8	74	79.8	85	57.9	60	12.28	9	6
1998	68.4	84	78.7	95	58.2	52	9.55	25	0
1997	68.6	80	78.7	95	58.5	42	10.73	14	1
1996	69.4	66	81.1	67	57.7	64	4.05	105	0
1971	71.1	35	83.7	35	58.5	42	4.67	97	0
1970	73	10	86.4	7	59.6	24	4.98	94	0
1969	69.8	60	82	58	57.5	67	7.39	54	0
1968	68.7	78	80.6	72	56.8	82	12.30	8	0
1967	68.5	82	80.2	78	56.7	85	9.47	26	0
1966	70.7	45	83.1	40	58.3	49	10.81	13	0
1965	69.3	68	80.2	78	58.5	42	6.74	67	0
1964	70.5	46	82.7	45	58.4	47	8.28	42	0
1963	72.1	21	84.4	25	59.8	17	8.30	41	0
1962	68.8	74	79.9	81	57.7	64	13.93	3	0
1961	74.2	4	87.5	4	60.9	8	3.08	112	0
1960	72.4	17	85.4	10	59.3	27	5.78	83	0
1959	73.3	7	86.8	5	59.8	17	4.03	107	1
1958	68.5	82	80	80	57	75	8.25	45	0
1957	69.9	58	81.5	63	58.3	49	7.06	62	0
1956	71.6	27	84.4	25	58.8	34	6.62	69	2
1955	71.7	24	84.3	28	59.2	30	7.78	49	0
1954	71.3	29	84	30	58.6	40	6.23	75	1
1953	71	37	83.1	40	59	32	9.84	21	1
1952	72	22	85.4	10	58.5	42	5.56	86	0
1951	66.9	101	78.6	98	55.2	101	9.66	23	0
1950	67	100	79.5	89	54.4	112	4.89	96	0
1949	71.3	29	85.3	13	57.3	71	9.36	28	0
1948	69	71	80.6	72	57.3	71	8.88	29	0
1947	70.2	52	82.4	52	58	57	10.67	15	0
1946	68.8	74	80.4	76	57.1	74	10.28	18	0
1945	67.4	95	78.2	103	56.5	87	10.12	20	0
1944	67.4	95	78.6	98	56.1	92	8.58	35	0
1943	70.5	46	82.8	44	58.2	52	7.70	50	0
1942	68.1	87	79.3	90	57	75	5.68	85	0
1941	70.2	52	81.2	66	59.3	27	8.38	39	0
1940	72.2	19	84.7	22	59.8	17	3.78	108	0
1939	71	37	83.9	31	58	57	5.22	91	0
1938	71.7	24	84.6	23	58.8	34	5.79	81	0
1937	71.8	23	83.9	31	59.6	24	6.65	68	0
1936	76.1	1	89.5	1	62.7	1	2.18	115	0
1935	70.3	50	82.9	43	57.8	62	3.02	113	0
1934	71.7	24	84.8	20	58.6	40	4.47	98	0
1933	72.7	13	85	16	60.4	11	6.19	76	0
1932	70.4	48	82.3	55	58.5	42	8.54	36	0
1931	72.9	11	85.9	9	59.8	17	4.39	103	0
1930	71.1	35	83.6	36	58.7	38	4.04	106	0
1929	69.6	62	82.3	55	56.9	79	8.65	34	0
1928	66	110	77.1	111	54.9	104	9.37	27	0
1927	65	114	75.3	114	54.7	106	8.82	30	0
1926	68.4	84	79.9	81	57	75	8.73	31	0
1925	68.6	80	80.4	76	56.8	82	8.71	33	0
1924	67.2	98	79.9	81	54.6	110	5.79	81	0
1923	68.2	86	78.8	94	57.6	66	11.37	11	0
1922	69.5	63	81.3	65	57.8	62	8.17	46	0
1921	71	37	83.3	38	58.8	34	7.00	63	2
1920	67.4	95	78.7	95	56.2	91	6.89	64	1
1919	71.2	32	84.5	24	58	57	6.28	74	0
1918	69.1	70	80.8	69	57.3	71	7.99	48	0
1917	67.7	92	80.8	69	54.7	106	4.47	98	0
1916	67.6	94	79.2	91	56.1	92	6.08	78	0
1915	62.8	115	73.1	115	52.5	115	13.92	4	0
1914	69.7	61	82.6	48	56.9	79	7.19	59	0
1913	69.5	63	82	58	57	75	5.24	90	0
1912	66.9	101	78.6	98	55.3	98	10.43	17	0
1911	68.8	74	81.7	61	55.8	96	3.42	110	0
1910	69.4	66	82.5	50	56.3	89	8.44	37	0
1909	70.2	52	82.3	55	58.1	54	9.83	22	0
1908	66.1	108	77.9	105	54.3	113	6.41	72	0
1907	66	110	77.4	110	54.5	111	6.60	70	0
1906	66.1	108	77.5	108	54.8	105	8.72	32	0
1905	65.7	113	76.2	113	55.3	98	14.97	1	0
1904	66.6	105	78.9	93	54.3	113	8.27	43	0
1903	66.6	105	77.9	105	55.2	101	9.63	24	0
1902	66.2	107	77.6	107	54.7	106	7.27	58	0
1901	69.9	58	81.8	60	58.1	54	14.88	2	0
1900	71.5	28	84.4	25	58.7	38	5.22	91	0
1899	69	71	81.5	63	56.6	86	4.43	101	0
1898	70.4	48	83.4	37	57.4	68	2.72	114	0
1897	67.8	90	79.8	85	55.9	95	5.53	87	0
1896	70	56	83	42	56.9	79	5.21	93	0
1895	66.8	103	79	92	54.7	106	7.30	57	0
1894	71.3	29	84.2	29	58.3	49	5.83	80	0
1893	70.3	50	83.8	34	56.8	82	3.35	111	0
1892	68.1	87	79.9	81	56.3	89	6.47	71	0
1891	66.8	103	78.5	101	55.1	103	7.31	55	0
1890	70	56	82.7	45	57.4	68	5.73	84	0
1889	68.7	78	81	68	56.4	88	7.60	51	0
1888	67.2	98	78.5	101	55.8	96	11.19	12	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1936	76.1
2021	75.2
2012	74.8
1961	74.2
2026	74.1
2022	73.5
2006	73.3
1959	73.3
2007	73.1
1970	73

Coldest
Year	Mean, °F
1915	62.8
1927	65
1905	65.7
2009	66
1928	66
1907	66
1908	66.1
1906	66.1
1902	66.2
1904	66.6
More years share the last value

Wettest
Year	Precipitation, in
1905	14.97
1901	14.88
1962	13.93
1915	13.92
2018	13.78
2019	12.99
2015	12.45
1968	12.30
1999	12.28
2014	12.22

Driest
Year	Precipitation, in
1936	2.18
1898	2.72
1935	3.02
1961	3.08
1893	3.35
1911	3.42
2003	3.45
1940	3.78
1959	4.03
1930	4.04

The hottest, coldest and wettest days

Hottest day: 110°F; 25 July 2026
Coldest night: 48°F; 1 June 2026
Wettest day: 1.95 in; 16 August 2026

Every month, season and year

Months

Seasons

Years

Rapid City Downtown, SD the day's answers

All-time records

Every answer in words

Summer 2026 brought 6.37 in of precipitation in Rapid City Downtown, SD, the driest summer since 2024, 43rd driest of 115.
The hottest day of summer 2026 in Rapid City Downtown, SD: 110°F on Saturday 25 July 2026.
The coldest night of summer 2026 in Rapid City Downtown, SD: a low of 48°F on Monday 1 June 2026.
The wettest day of summer 2026 in Rapid City Downtown, SD: 1.95 in on Sunday 16 August 2026.