Sioux City, IA: 2025

31 December 2025: 2025 averaged 50.2°F in Sioux City, IA, the warmest year since 2024, tied 23rd warmest of 136 (with 1981).

2025

Mean temperature: 50.2°F; Warmest since 2024; 23rd warmest of 136
Precipitation: 27.53 in; Wettest since 2024; 55th wettest of 136

A normal year in Sioux City, IA (1991 to 2020): a mean temperature of 48.8°F, between 47.2°F and 51°F in eight years of ten and 29.56 in of precipitation, between 24.08 in and 35.40 in in eight years of ten.

The mean temperature of every year in Sioux City, IA since 1890: 50.2°F in 2025; the highest is 53.7°F, in 1931.

Normal range, 47.2 to 51°F

Every year, ranked, as a table

Every year in Sioux City, IA from 1889 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	50.2	23	62.5	14	38	66	27.53	55	0
2024	51.5	10	63.6	2	39.3	31	32.27	19	0
2023	50.9	13	62.7	11	39.1	35	27.60	54	0
2022	49.1	54	62.6	12	35.7	126	15.34	134	0
2021	50.7	16	62.6	12	38.8	43	22.96	96	0
2020	49.9	32	61.5	25	38.3	56	20.08	119	0
2019	47.3	109	57.5	105	37.1	95	33.88	10	0
2018	47.6	103	57.9	101	37.2	92	37.77	4	0
2017	50.7	16	62.2	15	39.3	31	29.67	39	0
2016	52.4	4	63.3	6	41.4	4	32.25	20	0
2015	50.9	13	62.2	15	39.6	20	35.14	5	0
2014	47.9	92	59.6	59	36.2	116	41.36	1	0
2013	47.4	108	58.7	89	36.2	116	26.73	60	0
2012	52.5	3	65.7	1	39.4	28	24.12	85	0
2011	48.6	69	60.2	48	37	99	24.13	84	0
2010	48.8	64	60	53	37.7	75	32.05	21	0
2009	47.7	100	58.8	82	36.5	113	32.82	15	0
2008	46.3	125	57.7	102	35	129	31.64	26	0
2007	49.3	44	60.4	40	38.3	56	39.58	3	0
2006	50.9	13	62.8	10	38.9	40	27.34	56	0
2005	51.4	11	63.3	6	39.5	25	26.03	67	0
2004	49.2	49	60.8	32	37.6	78	25.54	70	0
2003	48.7	67	60.6	37	36.7	108	28.19	51	0
2002	49.3	44	61.1	30	37.6	78	25.14	74	0
2001	49	58	60.2	48	37.8	69	30.52	34	0
2000	48.8	64	60.5	39	37.1	95	23.76	89	0
1999	50.1	25	61.6	22	38.6	49	29.45	41	0
1998	51	12	61.4	26	40.5	10	30.79	31	0
1997	47.6	103	58.8	82	36.5	113	18.44	124	0
1996	45.1	135	55.8	132	34.3	135	31.57	27	0
1995	48.3	80	58.8	82	37.8	69	24.35	81	0
1994	48.3	80	59.1	71	37.5	84	26.21	65	0
1993	46.1	127	56	128	36.2	116	32.41	18	0
1992	48.9	60	59.1	71	38.8	43	29.99	38	0
1991	50	27	60.7	34	39.4	28	26.20	66	0
1990	50.5	19	62.1	17	38.9	40	24.63	79	0
1989	48	89	59.9	55	36.1	121	19.39	122	0
1988	50	27	62.1	17	37.8	69	23.25	93	0
1987	52.2	5	63.4	4	41	7	24.72	76	0
1986	50	27	60.4	40	39.6	20	31.93	24	0
1985	47.3	109	57.5	105	37.1	95	23.37	92	0
1984	48.3	80	57.7	102	39	37	34.02	9	0
1983	48.1	84	56.9	116	39.2	34	28.28	50	0
1982	46.8	118	56.8	119	36.9	102	30.50	35	0
1981	50.2	23	61.9	20	38.6	49	20.40	113	0
1980	49.1	54	60.4	40	37.7	75	17.71	130	0
1979	45.6	129	56.1	127	35	129	32.49	17	0
1978	45.3	130	56	128	34.6	134	22.08	106	0
1977	49.3	44	59.8	56	38.8	43	35.03	6	0
1976	48.4	78	60.7	34	36.2	116	14.33	136	0
1975	48	89	58.4	92	37.7	75	26.31	64	0
1974	50.1	25	61.4	26	38.8	43	17.96	127	0
1973	50.5	19	60.3	46	40.7	9	27.89	52	0
1972	47.5	106	57.5	105	37.6	78	33.72	11	0
1971	49.3	44	60	53	38.5	52	19.63	121	0
1970	48.1	84	59	75	37.2	92	28.81	46	0
1969	46.7	121	56.7	121	36.7	108	28.37	48	0
1968	49	58	60.3	46	37.8	69	24.22	83	0
1967	47.9	92	59.1	71	36.6	112	22.43	104	0
1966	47.8	98	58.8	82	36.8	105	21.45	111	0
1965	48.1	84	58.7	89	37.5	84	28.35	49	0
1964	49.2	49	60.1	51	38.3	56	27.30	57	0
1963	49.8	34	60.6	37	38.9	40	23.04	95	0
1962	48	89	58.2	95	37.8	69	32.86	14	0
1961	47.9	92	58.4	92	37.4	89	31.49	28	0
1960	47	115	58	98	36.1	121	25.36	72	0
1959	48.6	69	59.1	71	38.1	63	30.33	36	0
1958	48.9	60	60.2	48	37.5	84	18.30	125	0
1957	49.2	49	59.4	67	39	37	32.03	22	0
1956	49.6	37	61.4	26	37.9	68	17.76	129	0
1955	49.6	37	61.3	29	38	66	14.72	135	0
1954	50.5	19	61	31	39.9	17	24.68	77	0
1953	50	27	61.9	20	38.2	61	23.92	88	0
1952	48.5	72	60.1	51	36.9	102	23.73	90	0
1951	45.3	130	55.9	130	34.7	133	34.85	7	0
1950	45.3	130	57.1	114	33.6	136	21.69	108	0
1949	48.6	69	60.4	40	36.8	105	31.13	30	0
1948	48.7	67	60.4	40	37	99	25.28	73	0
1947	48.4	78	59.5	62	37.3	91	22.73	102	0
1946	50	27	61.6	22	38.4	54	28.85	45	0
1945	47.3	109	58.5	91	36.1	121	28.52	47	0
1944	48.5	72	59	75	38.1	63	27.12	58	0
1943	47.8	98	59.6	59	36	124	22.95	97	0
1942	48.5	72	59.4	67	37.6	78	19.28	123	0
1941	50.4	22	60.8	32	40.1	14	30.24	37	0
1940	47.6	103	58	98	37.2	92	32.76	16	0
1939	51.8	8	63.3	6	40.3	11	16.96	132	0
1938	51.7	9	62.1	17	41.3	5	31.79	25	0
1937	48.1	84	58.1	97	38.1	63	28.88	44	0
1936	48.9	60	59.5	62	38.2	61	17.28	131	0
1935	49.6	37	58.9	77	40.2	12	21.96	107	0
1934	52.2	5	63.1	9	41.3	5	22.81	101	0
1933	52.8	2	63.4	4	42.2	3	20.29	117	24
1932	48.1	84	57.6	104	38.6	49	22.88	99	0
1931	53.7	1	63.5	3	43.9	1	24.01	87	0
1930	50.6	18	60.4	40	40.9	8	23.55	91	0
1929	46.8	118	56.3	124	37.4	89	26.81	59	0
1928	49.8	34	59.5	62	40.1	14	24.67	78	0
1927	48.5	72	57.5	105	39.4	28	27.63	53	0
1926	49.2	49	58.8	82	39.6	20	24.26	82	0
1925	49.2	49	58.9	77	39.5	25	18.01	126	0
1924	46.3	125	55.9	130	36.8	105	22.82	100	0
1923	49.4	43	58.9	77	40	16	34.50	8	0
1922	49.9	32	59.7	57	40.2	12	25.94	68	0
1921	52	7	61.6	22	42.5	2	21.61	109	0
1920	48.5	72	57.4	110	39.6	20	31.96	23	0
1919	48.5	72	57.3	111	39.7	19	29.16	43	0
1918	49.5	42	59.5	62	39.5	25	25.41	71	0
1917	45.3	130	55.1	136	35.5	127	21.32	112	0
1916	46.8	118	56.9	116	36.7	108	24.51	80	0
1915	47.7	100	56.3	124	39	37	33.46	12	0
1914	49.1	54	59.4	67	38.8	43	24.77	75	0
1913	49.3	44	59.6	59	39.1	35	20.31	116	0
1912	46.5	124	56.3	124	36.7	108	30.54	33	0
1911	48.8	64	58.8	82	38.8	43	24.02	86	0
1910	48.9	60	59.4	67	38.3	56	16.85	133	0
1909	46.6	123	55.6	133	37.5	84	29.64	40	0
1908	49.1	54	58.9	77	39.3	31	26.44	62	0
1907	45.1	135	55.2	135	35	129	19.93	120	30
1906	47.9	92	57.3	111	38.5	52	31.41	29	0
1905	47.5	106	57.2	113	37.8	69	29.22	42	30
1904	46.7	121	56.9	116	36.5	113	21.46	110	0
1903	47.1	114	56.7	121	37.6	78	41.10	2	0
1902	47.7	100	57.1	114	38.3	56	20.34	115	0
1901	49.6	37	59.5	62	39.6	20	26.59	61	0
1900	49.7	36	59.7	57	39.8	18	33.22	13	0
1899	47.2	113	57.5	105	36.9	102	22.67	103	0
1898	47.9	92	58.2	95	37.6	78	22.91	98	0
1897	46.9	117	58	98	35.8	125	20.38	114	0
1896	47.3	109	58.3	94	36.2	116	30.77	32	0
1895	47.9	92	58.9	77	37	99	20.29	117	0
1894	49.6	37	60.7	34	38.4	54	17.84	128	0
1893	45.7	128	56.5	123	34.9	132	23.05	94	0
1892	47	115	56.8	119	37.1	95	26.43	63	0
1891	45.3	130	55.4	134	35.3	128	25.87	69	30
1890	48.2	83	58.8	82	37.5	84	22.25	105	0
1889									181

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1931	53.7
1933	52.8
2012	52.5
2016	52.4
1987	52.2
1934	52.2
1921	52
1939	51.8
1938	51.7
2024	51.5

Coldest
Year	Mean, °F
1996	45.1
1907	45.1
1978	45.3
1951	45.3
1950	45.3
1917	45.3
1891	45.3
1979	45.6
1893	45.7
1993	46.1

Wettest
Year	Precipitation, in
2014	41.36
1903	41.10
2007	39.58
2018	37.77
2015	35.14
1977	35.03
1951	34.85
1923	34.50
1984	34.02
2019	33.88

Driest
Year	Precipitation, in
1976	14.33
1955	14.72
2022	15.34
1910	16.85
1939	16.96
1936	17.28
1980	17.71
1956	17.76
1894	17.84
1974	17.96

The hottest, coldest and wettest days

Hottest day: 98°F; 21 June 2025, 20 June 2025
Coldest night: -16°F; 13 February 2025
Wettest day: 1.83 in; 29 July 2025

Month by month

Month	Mean temperature	Precipitation
January	20.6°F 56th warmest of 135	0.18 in 15th driest of 135
February	20°F 46th coldest of 136	0.37 in 36th driest of 136
March	42.7°F 8th warmest of 136	2.95 in 16th wettest of 136
April	50.1°F 59th warmest of 135	1.72 in 50th driest of 135
May	60°F 59th coldest of 136	1.91 in 21st driest of 136
June	72.8°F 29th warmest of 134	4.64 in 47th wettest of 135
July	75.3°F 64th warmest of 137	6.62 in 10th wettest of 137
August	71.6°F 45th coldest of 137	4.01 in 40th wettest of 137
September	66.4°F 35th warmest of 137	2.05 in 59th driest of 137
October	56.1°F 14th warmest of 137	1.22 in 54th driest of 137
November	38.5°F 41st warmest of 137	1.25 in 46th wettest of 137
December	26.4°F 53rd warmest of 137	0.61 in 65th driest of 137

Hot days and freezes

Sioux City, IA has had 20 days at 90°F or above in 2025 through 31 December, the most by that date since 2023, 97th most of 136.
Sioux City, IA has had 152 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2023, tied 54th most of 136 (with 2001, 1975, 1971 and 2 other years).
The first freeze of fall 2025 in Sioux City, IA came on Tuesday 21 October 2025, the earliest since 2024, tied 116th earliest of 137 (with 2021).
The last freeze of spring 2025 in Sioux City, IA came on Saturday 3 May 2025, the latest since 2023, tied 36th latest of 132 (with 2023, 2011, 2004 and 3 other years).

Daily records set

Date	Record	Value	Before	Check
4 December	Coldest night	-10°F	-9°F 1978, 1902	Provisional
14 November	Warmest day	76°F	73°F 1939	Provisional
7 September	Coldest night	36°F	38°F 1986	Provisional
6 September	Coldest night	38°F	39°F 1956	Provisional
28 March	Warmest day	89°F	83°F 1986	Provisional
14 March	Warmest day	78°F	77°F 2012	Provisional
28 January	Warmest day	61°F	58°F 1931, 1896	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Sioux City, IA the day's answers

All-time records

Every answer in words

2025 brought 27.53 in of precipitation in Sioux City, IA, the wettest year since 2024, 55th wettest of 136.
The hottest day of 2025 in Sioux City, IA: 98°F on Saturday 21 June 2025 and Friday 20 June 2025.
The coldest night of 2025 in Sioux City, IA: a low of -16°F on Thursday 13 February 2025.
The wettest day of 2025 in Sioux City, IA: 1.83 in on Tuesday 29 July 2025.