Sioux Falls, SD: 2025

31 December 2025: 2025 averaged 48.7°F in Sioux Falls, SD, the warmest year since 2024, tied 14th warmest of 131 (with 2006, 1941 and 1934).

2025

Mean temperature: 48.7°F; Warmest since 2024; 14th warmest of 131
Precipitation: 20.83 in; Driest since 2023; 30th driest of 133

A normal year in Sioux Falls, SD (1991 to 2020): a mean temperature of 46.4°F, between 44.4°F and 48.7°F in eight years of ten and 27.09 in of precipitation, between 20.22 in and 36.33 in in eight years of ten.

The mean temperature of every year in Sioux Falls, SD since 1894: 48.7°F in 2025; the highest is 50.7°F, in 1931.

Normal range, 44.4 to 48.7°F

Every year, ranked, as a table

Every year 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	48.7	14	60.4	12	37	23	20.83	104	0
2024	50.6	2	61.5	5	39.6	4	30.21	29	0
2023	50	7	61.2	7	38.7	7	18.79	119	0
2022	47.6	27	59.3	23	36	44	24.81	76	0
2021	50.1	6	61	8	39.3	5	27.73	46	0
2020	48.9	12	59.9	14	38	12	16.35	128	0
2019	45.5	88	54.9	113	36	44	39.54	1	0
2018	46	73	55.7	100	36.2	34	39.17	2	0
2017	48.5	19	59.1	27	37.9	14	25.20	75	0
2016	49.2	10	59.5	20	39	6	32.23	17	0
2015	48.3	20	58.9	30	37.8	16	32.94	11	0
2014	44.4	105	55	111	33.7	98	29.27	37	0
2013	44.4	105	54.6	118	34.3	82	25.79	68	0
2012	50.6	2	62.8	1	38.3	9	17.34	124	0
2011	45.9	76	56.6	84	35.2	63	24.28	81	0
2010	45.9	76	56	98	35.7	53	38.26	3	0
2009	45.1	95	55.5	103	34.6	75	23.06	91	0
2008	44.6	102	55.4	104	33.8	97	25.47	71	0
2007	47.4	33	57.8	52	36.9	25	31.34	21	0
2006	48.7	14	59.4	22	37.9	14	26.74	57	0
2005	47.9	22	58.6	35	37.2	21	31.71	19	0
2004	46.7	46	57.6	60	35.8	50	30.92	23	0
2003	46.3	62	57.5	64	35.1	65	21.81	99	0
2002	47	38	58.3	42	35.7	53	24.07	83	0
2001	46.7	46	57.3	68	36.1	39	30.18	30	0
2000	45.6	86	56.9	73	34.2	87	26.11	65	0
1999	47.5	30	59	28	36.1	39	21.91	97	0
1998	47.5	30	57.8	52	37.3	19	31.12	22	0
1997	43.9	111	54.5	120	33.2	105	20.26	111	0
1996	42.3	127	53	129	31.5	124	19.84	114	0
1995	46.5	52	56.2	93	36.9	25	30.42	28	0
1994	46.3	62	57.1	69	35.6	57	22.87	93	0
1993	43.7	117	53.4	128	34	93	36.11	4	0
1992	46.2	65	56.2	93	36.3	32	32.47	14	0
1991	47.7	25	58.5	37	36.9	25	27.44	51	0
1990	47.8	23	59.9	14	35.6	57	19.20	116	0
1989	45	99	57.1	69	32.8	109	15.79	129	0
1988	47.1	35	59.3	23	34.9	72	19.14	117	0
1987	49.9	8	61.7	2	38.2	10	18.66	120	0
1986	46.4	56	56.8	75	35.9	47	30.50	26	0
1985	43.7	117	54.7	114	32.8	109	27.16	54	0
1984	46	73	56.4	88	35.5	59	29.64	34	0
1983	45.7	82	55.4	104	36.1	39	26.77	56	0
1982	44.5	103	54.7	114	34.3	82	33.26	8	0
1981	48.8	13	60.7	10	37	23	18.11	122	0
1980	46.4	56	57.7	55	35.1	65	13.82	131	0
1979	43.4	122	53.5	127	33.3	104	32.25	15	0
1978	42.8	124	53.6	125	32.1	119	23.17	89	0
1977	46.8	44	57.4	66	36.2	34	31.62	20	0
1976	46.9	42	59.9	14	33.9	95	11.42	132	0
1975	45.4	92	56.6	84	34.3	82	26.10	66	0
1974	46.4	56	58.7	33	34.1	90	17.03	125	0
1973	47.6	27	58.1	45	37.1	22	28.19	40	0
1972	42.8	124	53.6	125	32	120	26.43	61	0
1971	45	99	56.7	79	33.4	102	23.64	87	0
1970	43.9	111	55.1	110	32.7	111	27.38	53	0
1969	43.7	117	54.7	114	32.7	111	26.58	59	0
1968	45.9	76	57.6	60	34.1	90	27.82	45	0
1967	45.2	94	57.7	55	32.6	113	16.40	127	0
1966	44.3	108	56.4	88	32.3	118	20.84	103	0
1965	43.6	120	54.7	114	32.6	113	27.94	43	0
1964	46.5	52	58.7	33	34.3	82	22.56	95	0
1963	47.5	30	59.3	23	35.8	50	21.00	102	0
1962	45.7	82	56.1	96	35.2	63	30.47	27	0
1961	45.5	88	56.7	79	34.4	80	23.05	92	0
1960	44.4	105	55.3	106	33.5	100	27.51	50	0
1959	45.9	76	56.8	75	35.1	65	29.81	33	0
1958	46.7	46	58.9	30	34.5	77	15.33	130	0
1957	46.1	72	56.6	84	35.5	59	28.19	40	0
1956	45.5	88	57.7	55	33.2	105	22.74	94	0
1955	46.4	56	58.6	35	34.2	87	18.16	121	0
1954	46.8	44	57.7	55	35.9	47	24.69	77	0
1953	47.1	35	58.5	37	35.7	53	30.05	32	0
1952	45.8	80	57.6	60	34	93	18.86	118	0
1951	42.3	127	52.9	130	31.6	122	30.79	25	0
1950	42.3	127	53.9	124	30.6	128	21.24	101	0
1949	46.2	65	57.9	49	34.5	77	20.76	105	0
1948	45.8	80	57.1	69	34.4	80	27.58	49	0
1947	45.7	82	56.6	84	34.8	74	25.61	70	0
1946	46.7	46	58	47	35.4	62	26.26	63	0
1945	45.4	92	55.7	100	35.1	65	25.37	72	0
1944	46.4	56	56.1	96	36.8	28	32.21	18	0
1943	46	73	56.7	79	34.9	72	23.45	88	5
1942	46.2	65	56.7	79	35.8	50	27.42	52	1
1941	48.7	14	59.3	23	38.1	11	20.68	107	0
1940	46.2	65	56.2	93	36.2	34	26.64	58	1
1939	49.7	9	60.9	9	38.6	8	25.33	73	0
1938	50.4	5	60.7	10	40.1	1	29.43	35	0
1937	46.5	52	56.8	75	36.2	34	27.65	47	0
1936	47	38	58.4	41	35.7	53	25.28	74	0
1935	48	21	58.2	43	37.8	16	32.25	15	0
1934	48.7	14	59.9	14	37.4	18	24.61	78	0
1933	47	38	57.9	49	36.1	39	20.73	106	0
1932	45.1	95	55.2	109	35	71	27.65	47	1
1931	50.7	1	61.7	2	39.7	3	17.73	123	0
1930	47.1	35	57.8	52	36.4	30	23.76	86	1
1929	43.9	111	54.1	123	33.7	98	34.09	7	0
1928	47.6	27	58	47	37.3	19	26.23	64	0
1927	46.2	65	56.3	91	36	44	23.95	85	0
1926	47	38	57.9	49	36.2	34	24.04	84	0
1925	47.2	34	58.5	37	35.9	47	20.04	113	0
1924	45.1	95	55.8	99	34.3	82	20.28	109	2
1923	49	11	60	13	38	12	29.23	38	0
1922	47.7	25	58.9	30	36.6	29	23.10	90	1
1921	50.6	2	61.5	5	39.8	2	24.18	82	0
1920	46.6	50	56.8	75	36.3	32	32.89	12	3
1919	46.4	56	56.4	88	36.4	30	28.08	42	0
1918	46.3	62	57.5	64	35.1	65	25.62	69	0
1917	41.1	131	52.7	131	29.5	130	19.45	115	0
1916	42.8	124	54.3	121	31.3	126	22.26	96	0
1915	43.9	111	54.3	121	33.4	102	29.31	36	0
1914	45.6	86	57.7	55	33.5	100	26.57	60	0
1913	46.9	42	59.5	20	34.5	77	26.36	62	5
1912	44	110	56.7	79	31.6	122	24.56	79	5
1911	46.2	65	58.5	37	33.9	95	33.16	9	9
1910	48.6	18	61.7	2	35.5	59	16.89	126	0
1909	45.5	88	56.9	73	34.2	87	36.02	5	0
1908	47.8	23	59.6	19	36.1	39	33.04	10	2
1907	43.2	123	55	111	31.4	125	20.68	107	30
1906	46.6	50	58.1	45	35.1	65	32.88	13	0
1905	46.2	65	58.2	43	34.1	90	35.51	6	0
1904	44.1	109	57.6	60	30.9	127	20.07	112	6
1903	43.9	111	54.6	118	33.1	107	30.90	24	6
1902	45.1	95	55.6	102	34.6	75	25.92	67	0
1901							21.65	100	38
1900	45.7	82	59	28	32.4	116	29.06	39	0
1899	41.8	130	55.3	106	28.2	131	27.89	44	14
1898	44.9	101	57.4	66	32.4	116	26.89	55	0
1897	43.5	121	55.3	106	31.7	121	24.49	80	0
1896	44.5	103	56.3	91	32.6	113	30.07	31	0
1895	43.8	116	57	72	30.6	128	20.28	109	0
1894	46.5	52	59.8	18	33.1	107	10.53	133	0
1893							21.83	98	40

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1931	50.7
2024	50.6
2012	50.6
1921	50.6
1938	50.4
2021	50.1
2023	50
1987	49.9
1939	49.7
2016	49.2

Coldest
Year	Mean, °F
1917	41.1
1899	41.8
1996	42.3
1951	42.3
1950	42.3
1978	42.8
1972	42.8
1916	42.8
1907	43.2
1979	43.4

Wettest
Year	Precipitation, in
2019	39.54
2018	39.17
2010	38.26
1993	36.11
1909	36.02
1905	35.51
1929	34.09
1982	33.26
1911	33.16
1908	33.04

Driest
Year	Precipitation, in
1894	10.53
1976	11.42
1980	13.82
1958	15.33
1989	15.79
2020	16.35
1967	16.40
1910	16.89
1974	17.03
2012	17.34

The hottest, coldest and wettest days

Hottest day: 99°F; 21 June 2025, 20 June 2025
Coldest night: -23°F; 13 February 2025
Wettest day: 1.37 in; 18 August 2025

Month by month

Month	Mean temperature	Precipitation
January	18.2°F 46th warmest of 132	0.07 in 10th driest of 133
February	16.8°F 49th coldest of 133	0.42 in 54th driest of 133
March	41.3°F 4th warmest of 132	1.58 in 51st wettest of 132
April	49.3°F 32nd warmest of 133	1.87 in 48th driest of 133
May	59°F 55th warmest of 133	2.20 in 42nd driest of 133
June	70.7°F 32nd warmest of 131	3.72 in 59th driest of 133
July	74.3°F 54th warmest of 133	5.16 in 19th wettest of 133
August	71.1°F 60th coldest of 131	2.81 in 65th wettest of 132
September	66.9°F 13th warmest of 133	0.22 in 4th driest of 132
October	55.3°F 11th warmest of 132	0.76 in 40th driest of 132
November	36.4°F 35th warmest of 131	1.22 in 46th wettest of 132
December	23°F 50th warmest of 132	0.80 in 45th wettest of 133

Hot days and freezes

Sioux Falls, SD has had 15 days at 90°F or above in 2025 through 31 December, the most by that date since 2023, tied 90th most of 131 (with 2018 and 2006).
Sioux Falls, SD has had 149 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2023, 118th most of 131.
The first freeze of fall 2025 in Sioux Falls, SD came on Tuesday 21 October 2025, the earliest since 2024, 128th earliest of 132.
The last freeze of spring 2025 in Sioux Falls, SD came on Monday 21 April 2025, the latest since 2024, tied 118th latest of 131 (with 2024, 1993, 1939 and 2 other years).

Daily records set

Date	Record	Value	Before	Check
14 November	Warmest day	73°F	71°F 1953	Provisional
3 October	Warmest day	91°F	89°F 1897	Provisional
29 September	Warmest day	92°F	90°F 1897	Provisional
28 March	Warmest day	85°F	82°F 1910	Provisional
14 March	Warmest day	76°F	73°F 1935	Provisional
18 February	Coldest night	-22°F	-21°F 1903	Provisional
30 January	Warmest day	59°F	58°F 1989	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Sioux Falls, SD the day's answers

All-time records

Every answer in words

2025 brought 20.83 in of precipitation in Sioux Falls, SD, the driest year since 2023, 30th driest of 133.
The hottest day of 2025 in Sioux Falls, SD: 99°F on Saturday 21 June 2025 and Friday 20 June 2025.
The coldest night of 2025 in Sioux Falls, SD: a low of -23°F on Thursday 13 February 2025.
The wettest day of 2025 in Sioux Falls, SD: 1.37 in on Monday 18 August 2025.