Rapid City Downtown, SD: December

31 December 2025: December 2025 averaged 35.6°F in Rapid City Downtown, SD, the warmest December since 2023, 8th warmest of 113.

December 2025

Mean temperature: 35.6°F; Warmest since 2023; 8th warmest of 113
Precipitation: 0.31 in; Wettest since 2024; 55th wettest of 114

The mean temperature of every December in Rapid City Downtown, SD since 1888: 35.6°F in 2025; the highest is 37.9°F, in 1896.

Every year, ranked, as a table

Every December in Rapid City Downtown, SD from 1888 to 2025, 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
2025	35.6	8	48.4	2	22.9	17	0.31	55	0
2024	34.2	13	44.7	14	23.7	12	0.31	55	0
2023	36.4	4	46.3	6	26.5	2	0.29	63	0
2022	22.8	95	33.2	96	12.4	95	0.41	42	0
2021	29.4	52	40.3	51	18.5	54	0.63	22	0
2020	35.9	6	45.6	10	26.3	3	0.27	68	0
2019	32.5	24	41.3	41	23.6	13	0.11	94	0
2018	30.4	42	38.8	64	21.9	21	1.21	1	0
2017	26.5	75	36	84	17	69	0.30	59	0
2016	19.8	103	28.9	108	10.6	101	0.82	8	0
2015	29.3	55	37.9	68	20.6	35	0.73	17	0
2014	30.4	42	40.5	47	20.3	38	0.38	46	0
2013	21.2	101	32.3	100	10.2	104	0.54	29	0
2012	27.9	65	37.4	77	18.4	56	0.22	78	0
2011	30.8	38	40.1	54	21.6	25	0.28	65	0
2010	25.2	86	34.4	91	16	76	0.57	26	0
2009	18.3	108	26	112	10.5	102	0.62	24	0
2008	19.4	106	30.7	104	8	108	0.51	31	0
2007	26.1	80	35.4	86	16.8	71	0.40	44	0
2006	31.5	30	42	34	21.1	31	0.05	104	0
2005	26.8	72	34.7	89	18.9	48	0.19	87	0
2004	32	27	43	24	20.9	32	0.05	104	0
2003	33	17	41.8	37	24.1	10	0.21	81	0
2002	34.8	11	44	18	25.7	6	0.10	97	0
2001	30.9	36	40.3	51	21.5	27	0.04	109	0
2000	18.3	108	28.5	109	8.2	107	0.27	68	0
1999	35.8	7	45.7	8	25.9	5	0.26	70	0
1998	28.7	60	39.5	58	18.4	56	0.04	109	1
1997	32	27	40.8	44	23.1	16	0.23	76	0
1996	18.6	107	30.1	106	7.9	109	0.77	14	2
1971	26.3	79	38	67	14.5	88	0.11	94	0
1970	26	81	36.5	81	15.5	81	0.74	16	0
1969	30.4	42	40.5	47	20.3	38	0.55	28	1
1968	21.5	100	30.5	105	12.4	95	0.63	22	0
1967	25	88	35	87	15	83	0.84	7	0
1966	28.7	60	39	61	18.4	56	0.72	19	0
1965	35.3	9	46.3	6	24.4	9	0.19	87	0
1964	22.9	94	34.5	90	11.4	100	0.97	3	0
1963	25.3	83	35.8	85	14.9	86	0.30	59	0
1962	33	17	44.5	16	21.6	25	0.21	81	0
1961	25.3	83	36.4	82	14.3	90	0.37	48	0
1960	27.8	66	38.2	65	17.4	67	0.85	6	0
1959	36.2	5	45.7	8	26.7	1	0.07	103	0
1958	29.4	52	39.6	57	19.1	47	0.46	37	0
1957	36.9	2	48.4	2	25.4	7	0.09	100	0
1956	32.8	20	44.4	17	21.2	29	0.51	31	0
1955	24.9	89	34.9	88	14.9	86	0.82	8	0
1954	34.4	12	44.9	12	23.9	11	0.24	73	0
1953	32.8	20	43.4	21	22.2	20	0.28	65	0
1952	32.8	20	43.8	20	21.8	22	0.08	101	0
1951	20.2	102	30.8	103	9.6	106	0.49	34	0
1950			43.4	21	17.8	64	0.12	92	4
1949	24.8	90	37.8	70	11.8	98	0.41	42	0
1948	25.2	86	36.4	82	14.1	91	0.36	49	0
1947	33.2	15	43	24	23.4	14	0.04	109	0
1946	30.8	38	41.8	37	19.8	42	0.24	73	0
1945	23.6	92	32.8	98	14.4	89	0.10	97	0
1944	27.6	68	39	61	16.2	74	0.33	52	0
1943	30.3	45	42.4	31	18.2	59	0.25	71	0
1942	28.9	59	38.9	63	18.9	48	0.22	78	0
1941	31.3	31	42.1	32	20.5	36	0.48	35	0
1940	32.4	25	43	24	21.7	24	0.34	50	0
1939	36.6	3	47.9	4	25.3	8	0.31	55	0
1938	29.7	49	40.9	43	18.5	54	0.08	101	0
1937	26.5	75	37.4	77	15.6	80	0.79	12	0
1936	27.2	69	37.8	70	16.6	72	0.05	104	0
1935	29.7	49	40.2	53	19.2	44	0.25	71	0
1934	29	57	40.1	54	18	62	0.44	40	0
1933	29.9	47	41.6	40	18.2	59	0.23	76	0
1932	21.6	99	32.7	99	10.5	102	0.30	59	0
1931	31.6	29	42	34	21.2	29	0.62	24	0
1930	32.9	19	43	24	22.7	18	0.21	81	0
1929	27	70	37.9	68	16	76	0.24	73	0
1928	30.7	41	42.7	28	18.8	50	0.10	97	0
1927	13.5	113	23.6	114	3.5	114	0.57	26	0
1926	26.5	75	37.7	73	15.4	82	0.04	109	0
1925	29	57	40.4	50	17.6	66	0.43	41	0
1924	15.5	110	27.1	110	3.9	113	0.95	4	0
1923	30.8	38	42.5	29	19.2	44	0.22	78	0
1922	22.7	96	33.1	97	12.4	95	0.28	65	0
1921	26.9	71	37.6	75	16.2	74	0.70	21	0
1920	27.8	66	37.7	73	17.9	63	0.32	54	0
1919	22.7	96	33.7	93	11.7	99	0.30	59	0
1918	29.7	49	40.7	45	18.8	50	0.46	37	0
1917	19.5	105	31.5	101	7.4	110	0.71	20	0
1916	15.1	111	26.2	111	4.1	112	0.75	15	0
1915	29.4	52	41	42	17.7	65	0.34	50	0
1914	19.8	103	29.8	107	9.8	105	0.46	37	0
1913	31.3	31	42.5	29	20.1	40	0.29	63	0
1912	30.9	36	42.1	32	19.6	43	0.21	81	0
1911	25.3	83	34	92	16.5	73	0.78	13	0
1910	30.3	45	40.5	47	20	41	0.21	81	0
1909	14.7	112	24.6	113	4.7	111	1.00	2	0
1908	28.3	63	39.5	58	17	69	0.73	17	0
1907	31.1	35	41.8	37	20.4	37	0.20	86	0
1906	26.4	78	37.8	70	15	83	0.93	5	0
1905	31.3	31	41.9	36	20.7	34	0.02	113	0
1904	28.4	62	39.5	58	17.3	68	0.54	29	0
1903	29.9	47	40.7	45	19.2	44	0.31	55	0
1902	23.4	93	33.3	95	13.4	94	0.80	11	0
1901	26.8	72	37.6	75	16	76	0.38	46	0
1900	33.9	14	45.1	11	22.6	19	0.14	91	0
1899	23.7	91	33.7	93	13.8	92	0.81	10	0
1898	26.7	74	37.4	77	16	76	0.19	87	0
1897	25.9	82	36.7	80	15	83	0.12	92	0
1896	37.9	1	49.5	1	26.2	4	0.01	114	0
1895	29.2	56	39.9	56	18.6	52	0.11	94	0
1894	31.3	31	43.9	19	18.6	52	0.05	104	0
1893	28.1	64	38.1	66	18.1	61	0.39	45	0
1892	22.4	98	31.2	102	13.6	93	0.48	35	0
1891	32.3	26	43.3	23	21.3	28	0.05	104	0
1890	33.2	15	44.7	14	21.8	22	0.17	90	0
1889	35.3	9	47.1	5	23.4	14	0.33	52	0
1888	32.8	20	44.8	13	20.8	33	0.51	31	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1896	37.9
1957	36.9
1939	36.6
2023	36.4
1959	36.2
2020	35.9
1999	35.8
2025	35.6
1965	35.3
1889	35.3

Coldest
Year	Mean, °F
1927	13.5
1909	14.7
1916	15.1
1924	15.5
2009	18.3
2000	18.3
1996	18.6
2008	19.4
1917	19.5
2016	19.8
More years share the last value

Wettest
Year	Precipitation, in
2018	1.21
1909	1.00
1964	0.97
1924	0.95
1906	0.93
1960	0.85
1967	0.84
2016	0.82
1955	0.82
1899	0.81

Driest
Year	Precipitation, in
1896	0.01
1905	0.02
2001	0.04
1998	0.04
1947	0.04
1926	0.04
2006	0.05
2004	0.05
1936	0.05
1894	0.05
More years share the last value

The hottest, coldest and wettest days

Hottest day: 68°F; 25 December 2025, 22 December 2025
Coldest night: 3°F; 28 December 2025
Wettest day: 0.10 in; 3 December 2025

Every month, season and year

Months

Seasons

Years

Rapid City Downtown, SD the day's answers

All-time records

Every answer in words

December 2025 brought 0.31 in of precipitation in Rapid City Downtown, SD, the wettest December since 2024, tied 55th wettest of 114 (with 2024, 1939 and 1903).
The hottest day of December 2025 in Rapid City Downtown, SD: 68°F on Thursday 25 December 2025 and Monday 22 December 2025.
The coldest night of December 2025 in Rapid City Downtown, SD: a low of 3°F on Sunday 28 December 2025.
The wettest day of December 2025 in Rapid City Downtown, SD: 0.10 in on Wednesday 3 December 2025.