Sioux Falls, SD: December

31 December 2025: December 2025 averaged 23°F in Sioux Falls, SD, the warmest December since 2024, 50th warmest of 132.

December 2025

Mean temperature: 23°F; Warmest since 2024; 50th warmest of 132
Precipitation: 0.80 in; Wettest since 2023; 45th wettest of 133

A normal December in Sioux Falls, SD (1991 to 2020): a mean temperature of 23.9°F, between 14.8°F and 26.6°F in eight years of ten and 0.74 in of precipitation, between 0.15 in and 1.58 in in eight years of ten.

The mean temperature of every December in Sioux Falls, SD since 1894: 23°F in 2025; the highest is 34°F, in 2023.

Normal range, 14.8 to 26.6°F

Every year, ranked, as a table

Every December in Sioux Falls, SD from 1893 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	23	50	34	33	12.1	64	0.80	45	0
2024	25.8	27	34.8	28	16.9	25	0.66	60	0
2023	34	1	43.2	1	24.7	2	1.85	11	0
2022	17.1	95	25.1	104	9.2	87	2.59	3	0
2021	27.1	14	36.7	18	17.5	19	1.49	21	0
2020	27.5	12	38.5	7	16.5	27	0.54	76	0
2019	24.1	44	31.8	54	16.4	29	1.24	29	0
2018	26.1	23	34.7	30	17.5	19	1.23	30	0
2017	21.1	67	30.3	65	11.9	65	0.68	58	0
2016	19.9	76	28.7	81	11.1	72	1.92	10	0
2015	26.2	21	33.9	36	18.6	11	1.31	25	0
2014	24.4	42	31.9	51	17	24	1.33	23	0
2013	11.6	121	21.1	124	2.2	121	1.13	32	0
2012	21.6	63	31.5	57	11.6	67	1.31	25	0
2011	26.9	16	37.6	10	16.2	31	0.62	64	0
2010	16.4	101	25	106	7.7	97	1.54	20	0
2009	15.1	110	23.1	116	7	102	2.03	5	0
2008	15.3	108	25.5	100	5	111	0.70	55	0
2007	17.5	91	26.2	97	8.8	90	1.30	27	0
2006	28.1	10	37.9	9	18.4	12	1.95	7	0
2005	17.9	89	25.3	102	10.5	76	1.03	35	0
2004	25.7	28	35.3	26	16	32	0.11	118	0
2003	25.5	30	32.8	44	18.3	13	1.07	33	0
2002	26.6	18	37.5	11	15.7	34	0.15	113	0
2001	25	37	33.6	38	16.3	30	0.11	118	0
2000	7.6	131	16.5	131	-1.2	130	0.35	95	0
1999	25.1	35	37.5	11	12.7	57	0.17	112	0
1998	24	45	35.6	25	12.4	59	0.24	104	0
1997	26.1	23	34	33	18.2	15	0.24	104	0
1996	10.2	128	18	129	2.5	118	0.78	47	0
1995	23.7	47	31.5	57	15.8	33	0.10	120	0
1994	21.7	62	29.8	72	13.7	49	0.33	96	0
1993	21.8	60	30	69	13.7	49	0.30	98	0
1992	19.1	83	28.2	86	10.1	78	0.83	43	0
1991	26	25	34.8	28	17.2	23	0.20	109	0
1990	15.2	109	26.7	93	3.8	117	0.61	65	0
1989	11.5	122	21.5	122	1.4	125	0.25	102	0
1988	22.1	57	32.4	50	11.8	66	0.37	93	0
1987	24.3	43	31.9	51	16.8	26	1.40	22	0
1986	25.2	34	36.8	17	13.6	52	trace	130	0
1985	9.5	129	19.5	128	-0.6	129	0.47	82	0
1984	20.4	72	31.5	57	9.3	85	1.02	36	0
1983	2.1	132	10.9	132	-6.7	132	0.73	51	0
1982	24.5	41	33.4	41	15.5	36	1.99	6	0
1981	18	87	27	90	9	89	0.38	91	0
1980	21.1	67	29.6	73	12.7	57	0.29	99	0
1979	27.1	14	36.1	22	18.1	16	0.04	128	0
1978	14.6	114	24.2	111	5	111	0.51	79	0
1977	16.3	102	24.5	109	8.1	95	0.87	41	0
1976	16.6	99	28.8	79	4.4	115	0.36	94	0
1975	20.3	73	28.4	84	12.3	60	0.19	110	0
1974	23.6	48	34.3	31	12.8	56	0.10	120	0
1973	17	97	25.7	99	8.4	92	0.48	80	0
1972	14.7	113	23.3	115	6.2	106	1.25	28	0
1971	17.4	93	26.7	93	8	96	0.64	63	0
1970	15.6	106	26.3	95	4.9	113	0.54	76	0
1969	19.5	77	28.7	81	10.3	77	1.18	31	0
1968	16.1	104	23.9	112	8.4	92	2.62	2	0
1967	21.9	59	31.6	56	12.2	62	0.91	38	0
1966	19.4	78	30.3	65	8.4	92	0.65	61	0
1965	28.4	8	37.2	15	19.5	8	0.60	67	0
1964	15.5	107	25.2	103	5.8	110	0.59	68	0
1963	13.2	119	24.6	108	1.7	124	0.85	42	0
1962	22.6	53	33	43	12.3	60	0.19	110	0
1961	16	105	25.9	98	6.1	108	0.80	45	0
1960	21	69	30.5	63	11.4	68	0.77	49	0
1959	29.3	6	36.5	20	22	3	0.88	40	0
1958	17.6	90	28.6	83	6.6	104	0.25	102	0
1957	29.3	6	39.5	6	19.2	9	0.40	88	0
1956	24.7	39	35.1	27	14.3	46	0.24	104	0
1955	12	120	22	119	2	122	1.75	13	0
1954	22.9	51	31.3	60	14.5	45	0.09	124	0
1953	20.5	71	31	62	10	80	1.70	14	0
1952	22.4	56	31.7	55	13.1	53	0.28	101	0
1951	14	115	23.8	113	4.2	116	1.59	19	0
1950	17.1	95	26.9	91	7.3	101	0.24	104	0
1949	21.5	64	32.8	44	10.1	78	0.61	65	0
1948	19.1	83	28.8	79	9.3	85	0.12	117	0
1947	17.5	91	27.6	87	7.5	100	0.72	52	0
1946	22.8	52	32.8	44	12.9	55	0.29	99	0
1945	13.8	117	21.5	122	6.2	106	2.97	1	0
1944	21.8	60	29.6	73	14	47	trace	130	0
1943	25.1	35	36.4	21	13.8	48	0.04	128	0
1942	18	87	26.3	95	9.6	82	0.14	115	0
1941	26.9	16	37.3	14	16.5	27	0.24	104	0
1940	25.7	28	32.6	48	18.8	10	1.01	37	0
1939	31.5	3	41.1	3	21.8	5	0.38	91	0
1938	26.2	21	34.3	31	18	17	0.59	68	0
1937	20.3	73	29.5	75	11.1	72	0.72	52	0
1936	25.5	30	33.3	42	17.6	18	1.81	12	0
1935	22.6	53	30.2	67	14.9	40	1.04	34	0
1934	21.2	65	29.2	76	13.1	53	0.91	38	0
1933	20.3	73	29.9	71	10.6	74	0.81	44	0
1932	16.2	103	24.8	107	7.6	98	0.41	86	0
1931	27.7	11	33.9	36	21.5	6	1.33	23	0
1930	25	37	32.7	47	17.4	22	0.10	120	0
1929	19.2	81	27.1	89	11.2	71	0.06	126	0
1928	28.3	9	36.7	18	19.8	7	0.31	97	0
1927	10.7	127	20.8	125	0.6	127	0.78	47	0
1926	18.8	85	26.9	91	10.6	74	0.55	72	0
1925	19.4	78	27.6	87	11.3	70	0.55	72	0
1924	11.5	122	20.6	127	2.5	118	1.95	7	0
1923	31.5	3	41.1	3	21.9	4	0.40	88	0
1922	19.2	81	28.9	77	9.5	83	0.52	78	0
1921	24.7	39	34	33	15.4	38	0.46	83	0
1920	22.5	55	30.5	63	14.6	43	1.62	17	0
1919	14.9	112	22.9	118	6.9	103	0.09	124	0
1918	31.9	2	38.4	8	25.4	1	1.67	15	0
1917	8	130	18	129	-2.1	131	0.70	55	0
1916	11.4	124	23	117	-0.2	128	0.48	80	0
1915	21.2	65	30.1	68	12.2	62	0.46	83	0
1914	11.3	125	21.6	121	1	126	0.72	52	0
1913	29.4	5	41.3	2	17.5	19	0.14	115	0
1912	27.2	13	40.8	5	13.7	49	0.39	90	0
1911	24	45	33.5	40	14.6	43	1.62	17	0
1910	22	58	32.6	48	11.4	68	0.15	113	0
1909	11.3	125	20.7	126	1.8	123	1.95	7	0
1908	25.5	30	36.1	22	14.9	40	0.55	72	0
1907	26.5	19	37.4	13	15.6	35	0.69	57	0
1906	23.4	49	31.9	51	14.9	40	0.57	70	0
1905	26.3	20	37	16	15.5	36	trace	130	0
1904	20.6	70	31.3	60	10	80	0.41	86	0
1903	13.7	118	25.1	104	2.3	120	0.56	71	0
1902	13.9	116	21.8	120	6	109	1.66	16	0
1901	16.6	99	23.8	113	9.5	83	0.65	61	0
1900	17.4	93	28.4	84	6.4	105	0.55	72	0
1899	18.2	86	28.9	77	7.6	98	0.76	50	0
1898	15.1	110	25.4	101	4.8	114	0.10	120	0
1897	16.7	98	24.4	110	9.1	88	0.68	58	0
1896	25.9	26	33.6	38	18.3	13	trace	130	0
1895	19.4	78	30	69	8.8	90	0.05	127	0
1894	25.5	30	35.8	24	15.3	39	0.45	85	0
1893							2.29	4	9

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2023	34
1918	31.9
1939	31.5
1923	31.5
1913	29.4
1959	29.3
1957	29.3
1965	28.4
1928	28.3
2006	28.1

Coldest
Year	Mean, °F
1983	2.1
2000	7.6
1917	8
1985	9.5
1996	10.2
1927	10.7
1914	11.3
1909	11.3
1916	11.4
1989	11.5
More years share the last value

Wettest
Year	Precipitation, in
1945	2.97
1968	2.62
2022	2.59
1893	2.29
2009	2.03
1982	1.99
2006	1.95
1924	1.95
1909	1.95
2016	1.92

Driest
Year	Precipitation, in
1986	trace
1944	trace
1905	trace
1896	trace
1979	0.04
1943	0.04
1895	0.05
1929	0.06
1954	0.09
1919	0.09

The hottest, coldest and wettest days

Hottest day: 49°F; 27 December 2025
Coldest night: -14°F; 14 December 2025
Wettest day: 0.29 in; 6 December 2025

Every month, season and year

Months

Seasons

Years

Sioux Falls, SD the day's answers

All-time records

Every answer in words

December 2025 brought 0.80 in of precipitation in Sioux Falls, SD, the wettest December since 2023, tied 45th wettest of 133 (with 1961).
The hottest day of December 2025 in Sioux Falls, SD: 49°F on Saturday 27 December 2025.
The coldest night of December 2025 in Sioux Falls, SD: a low of -14°F on Sunday 14 December 2025.
The wettest day of December 2025 in Sioux Falls, SD: 0.29 in on Saturday 6 December 2025.