Sioux City, IA: 2026

10 October 2026: 2026 so far averaged 56.3°F in Sioux City, IA, the warmest 1 January to 10 October since 2012, 7th warmest of 134.

2026 so far, to 10 October 2026

Mean temperature: 56.3°F; Warmest since 2012; 7th warmest of 134
Precipitation: 20.45 in; Driest since 2022; 47th driest of 134

A normal 1 January to 10 October in Sioux City, IA (1991 to 2020): a mean temperature of 52.9°F, between 51.3°F and 55.4°F in eight years of ten and 25.89 in of precipitation, between 19.60 in and 30.69 in in eight years of ten.

The mean temperature of every 1 January to 10 October in Sioux City, IA since 1890: 56.3°F in 2026; the highest is 57.8°F, in 1933.

Normal range, 51.3 to 55.4°F

Every year, ranked, as a table

Every 1 January to 10 October in Sioux City, IA from 1889 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	56.3	7	68.7	2	43.9	19	20.45	88	0
2025	53.9	35	66.4	20	41.5	78	24.48	54	0
2024	54.9	16	67.2	10	42.7	41	28.39	23	0
2023	54.2	26	66.1	22	42.3	50	21.96	74	0
2022	53.9	35	67.6	8	40.1	113	12.34	134	0
2021	54	31	65.7	27	42.3	50	19.34	104	0
2020	54.1	29	65.5	29	42.7	41	16.43	121	0
2019	51.4	106	61.6	106	41.1	88	30.26	11	0
2018	51.9	92	62.3	99	41.4	81	34.52	4	0
2017	55.3	12	66.6	17	44.1	15	28.89	19	0
2016	56.1	8	67	11	45.1	5	28.15	24	0
2015	54	31	65.6	28	42.4	48	26.87	31	0
2014	51.5	104	63.6	67	39.4	123	38.95	2	0
2013	52.2	82	63.2	80	41.1	88	22.56	69	0
2012	57.3	3	71	1	43.6	25	19.61	95	0
2011	52.2	82	63.3	75	41	92	23.18	65	0
2010	53.1	54	64.1	52	42	59	29.72	14	0
2009	51.7	97	63.2	80	40.1	113	25.92	42	0
2008	50.4	118	61.9	102	39	129	25.25	45	0
2007	53.9	35	65	32	42.8	38	35.42	3	0
2006	55.3	12	67.3	9	43.3	29	23.75	58	0
2005	56.1	8	68.2	4	44	17	22.53	70	0
2004	52.4	78	64	53	40.8	99	23.83	57	0
2003	52.3	80	64.7	36	39.9	118	25.85	43	0
2002	53.8	40	65.8	26	41.9	63	23.65	59	0
2001	51.6	101	62.5	96	40.7	100	26.78	32	0
2000	54.5	21	67	11	42.1	55	19.53	96	0
1999	53.1	54	64	53	42.2	53	28.43	22	0
1998	54.4	22	64.6	41	44.2	14	27.33	28	0
1997	51.5	104	63.1	85	39.9	118	16.94	119	0
1996	49.8	124	61.1	113	38.5	132	28.47	21	0
1995	52.6	70	63.2	80	41.9	63	22.68	68	0
1994	51.8	94	62.9	88	40.6	102	22.27	73	0
1993	49.9	123	59.7	128	40	116	30.20	13	0
1992	53.4	51	64	53	42.7	41	28.04	25	0
1991	54.9	16	66	23	43.9	19	21.38	78	0
1990	55.1	15	66.7	16	43.6	25	22.45	72	0
1989	52.9	60	64.6	41	41.1	88	18.64	110	0
1988	54	31	66.6	17	41.4	81	20.51	86	0
1987	56.4	5	68.2	4	44.6	9	22.90	66	0
1986	54.4	22	64.9	34	43.9	19	28.88	20	0
1985	52.8	65	63.4	72	42.3	50	20.80	82	0
1984	52.1	88	61.3	111	42.8	38	27.89	26	0
1983	53.6	45	62.9	88	44.3	12	23.58	61	0
1982	50.2	120	60.3	122	40.1	113	25.13	46	0
1981	54.7	18	67	11	42.4	48	15.23	128	0
1980	53.1	54	64.6	41	41.6	73	16.07	124	0
1979	48.3	134	58.9	132	37.6	133	25.11	47	0
1978	49.6	128	60.2	125	38.9	130	19.89	91	0
1977	53.5	47	64.4	46	42.6	44	30.69	9	0
1976	54.2	26	66.5	19	41.9	63	13.58	133	0
1975	51.3	107	61.7	105	41	92	22.71	67	0
1974	53.8	40	65.5	29	42.1	55	15.77	126	0
1973	54.7	18	64.7	36	44.7	8	24.31	55	0
1972	52.2	82	62.8	91	41.6	73	29.34	16	0
1971	52.8	65	63.9	56	41.6	73	14.51	131	0
1970	52.3	80	63.5	70	41.2	86	24.95	48	0
1969	50.8	114	61	115	40.6	102	24.89	50	0
1968	53.4	51	65.3	31	41.5	78	17.59	117	0
1967	51.7	97	63.2	80	40.3	109	20.66	83	0
1966	51.6	101	62.5	96	40.7	100	19.49	98	0
1965	50.4	118	60.8	116	40	116	27.28	29	0
1964	53.5	47	64.4	46	42.6	44	26.23	38	0
1963	53.7	42	64.4	46	43.1	33	21.91	75	0
1962	51	111	61.1	113	40.9	96	32.20	7	0
1961	52.1	88	62.6	95	41.6	73	29.44	15	0
1960	50	122	60.6	118	39.3	124	23.64	60	0
1959	52.5	77	63.4	72	41.7	69	25.49	44	0
1958	52.6	70	63.5	70	41.6	73	17.28	118	0
1957	52.7	68	63.3	75	42.1	55	27.13	30	0
1956	52.6	70	64.7	36	40.6	102	15.75	127	0
1955	55.2	14	67	11	43.4	28	13.74	132	0
1954	53.9	35	64.7	36	43.1	33	23.19	64	0
1953	53.1	54	65	32	41.2	86	19.41	101	0
1952	52.6	70	63.9	56	41.3	85	22.47	71	0
1951	49.8	124	60.5	119	39.2	127	33.07	5	0
1950	48.5	133	60.1	127	36.8	134	20.94	79	0
1949	51.7	97	63.1	85	40.3	109	30.24	12	0
1948	52.9	60	64.7	36	41.1	88	19.36	103	0
1947	52.2	82	63.8	59	40.6	102	18.19	112	0
1946	54.3	25	65.9	25	42.6	44	24.80	52	0
1945	51.7	97	62.8	91	40.6	102	26.68	34	0
1944	52.2	82	62.7	93	41.7	69	26.07	39	0
1943	51.8	94	63.7	63	39.8	121	20.19	89	0
1942	53	58	63.8	59	42.1	55	17.66	116	0
1941	54	31	64.3	49	43.7	23	26.46	36	0
1940	51	111	61.6	106	40.4	108	29.12	18	0
1939	55.4	11	66.9	15	43.9	19	16.64	120	0
1938	55.7	10	66	23	45.3	4	29.14	17	0
1937	52.2	82	62.4	98	42	59	26.67	35	0
1936	52.7	68	63.6	67	41.7	69	15.17	129	0
1935	53.9	35	63.6	67	44.3	12	18.66	109	0
1934	56.4	5	67.8	7	45	7	18.94	106	0
1933	57.8	1	68.3	3	47.2	1	18.19	112	24
1932	52.6	70	62.2	100	43.1	33	20.84	81	0
1931	57.6	2	68	6	47.1	2	17.71	115	0
1930	54.7	18	64.8	35	44.5	10	18.80	107	0
1929	50.5	117	60.2	125	40.9	96	24.27	56	0
1928	53.5	47	63.7	63	43.2	30	20.10	90	0
1927	52.9	60	61.9	102	44	17	25.96	41	0
1926	54.1	29	64.2	50	44.1	15	21.68	77	0
1925	54.4	22	64.5	45	44.4	11	16.03	125	0
1924	49.8	124	59.4	131	40.3	109	20.93	80	0
1923	52.6	70	62.2	100	43	36	32.96	6	0
1922	53.6	45	63.4	72	43.7	23	20.65	84	0
1921	56.6	4	66.4	20	46.7	3	19.02	105	0
1920	52	91	61.5	108	42.6	44	26.74	33	0
1919	54.2	26	63.3	75	45.1	5	24.81	51	0
1918	52.4	78	63.1	85	41.7	69	19.47	100	0
1917	49.6	128	59.6	129	39.6	122	19.86	92	0
1916	51.2	109	61.3	111	41	92	20.52	85	0
1915	50.1	121	58.8	133	41.4	81	31.27	8	0
1914	53.5	47	63.8	59	43.2	30	23.25	63	0
1913	52.6	70	63.2	80	42	59	18.68	108	0
1912	48.8	132	58.3	134	39.2	127	27.64	27	0
1911	53.7	42	64.2	50	43.2	30	19.49	98	0
1910	52.9	60	63.8	59	42	59	16.24	123	0
1909	51.2	109	60.5	119	41.9	63	24.57	53	0
1908	52.8	65	62.9	88	42.8	38	23.44	62	0
1907							18.39	111	30
1906	51.8	94	61.8	104	41.8	68	26.04	40	0
1905									30
1904	49.4	131	59.5	130	39.3	124	19.52	97	0
1903	50.9	113	60.3	122	41.4	81	39.17	1	0
1902	51.6	101	61.4	109	41.9	63	18.12	114	0
1901	53.7	42	63.9	56	43.6	25	24.91	49	0
1900	53.3	53	63.7	63	42.9	37	30.31	10	0
1899	49.8	124	60.3	122	39.3	124	19.64	93	0
1898	52.9	60	63.7	63	42.2	53	21.87	76	0
1897	51.3	107	62.7	93	39.9	118	16.29	122	0
1896	51.9	92	63.3	75	40.6	102	26.31	37	0
1895	52.1	88	63.3	75	41	92	19.41	101	0
1894	53	58	64.6	41	41.5	78	15.12	130	0
1893	49.6	128	60.4	121	38.8	131	20.49	87	0
1892	50.8	114	60.7	117	40.9	96			0
1891									30
1890	50.8	114	61.4	109	40.2	112	19.63	94	0
1889									181

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1933	57.8
1931	57.6
2012	57.3
1921	56.6
1987	56.4
1934	56.4
2026	56.3
2016	56.1
2005	56.1
1938	55.7

Coldest
Year	Mean, °F
1979	48.3
1950	48.5
1912	48.8
1904	49.4
1978	49.6
1917	49.6
1893	49.6
1996	49.8
1951	49.8
1924	49.8
More years share the last value

Wettest
Year	Precipitation, in
1903	39.17
2014	38.95
2007	35.42
2018	34.52
1951	33.07
1923	32.96
1962	32.20
1915	31.27
1977	30.69
1900	30.31

Driest
Year	Precipitation, in
2022	12.34
1976	13.58
1955	13.74
1971	14.51
1894	15.12
1936	15.17
1981	15.23
1956	15.75
1974	15.77
1925	16.03

The hottest, coldest and wettest days

Hottest day: 101°F; 20 July 2026
Coldest night: -13°F; 26 January 2026
Wettest day: 1.80 in; 2 April 2026

Month by month

Month	Mean temperature	Precipitation
January	21.4°F 51st warmest of 136	0.28 in 36th driest of 136
February	34.3°F 9th warmest of 137	0.01 in Driest of 137
March	43.1°F 7th warmest of 137	1.67 in 57th wettest of 137
April	51.2°F 46th warmest of 136	3.46 in 36th wettest of 136
May	62.2°F 44th warmest of 137	2.95 in 56th driest of 137
June	71.8°F 50th warmest of 135	1.93 in 22nd driest of 136
July	77.3°F 33rd warmest of 138	2.80 in 66th driest of 138
August	72.8°F 65th coldest of 138	3.85 in 43rd wettest of 138
September	68.9°F 10th warmest of 138	3.49 in 40th wettest of 138
October so far	64.1°F 10th warmest of 138	0.01 in 25th driest of 138

Hot days and freezes

Sioux City, IA has had 36 days at 90°F or above in 2026 through 10 October, the most by that date since 2023, tied 35th most of 134 (with 1995 and 1976).
Sioux City, IA has had 1 day at 100°F or above in 2026 through 10 October, the most by that date since 2023, tied 46th most of 134 (with 2018, 2013, 2001 and 17 other years).
Sioux City, IA has had 88 freezing nights (a low of 32°F or below) in 2026 through 10 October, the most by that date since 2025, tied 92nd most of 134 (with 1968, 1958 and 1934).
The last freeze of spring 2026 in Sioux City, IA came on Wednesday 6 May 2026, the latest since 2022, tied 29th latest of 133 (with 1944 and 1906).

Daily records set

Date	Record	Value	Before	Check
10 October	Warmest day	93°F	92°F 1928	Confirmed
21 March	Warmest day	95°F	85°F 1910	Provisional
20 March	Warmest day	83°F	79°F 2015	Provisional
8 March	Warmest day	74°F	71°F 2020	Provisional
15 February	Warmest day	68°F	67°F 1921	Provisional
14 February	Warmest day	64°F	62°F 1934	Provisional
9 February	Warmest day	75°F	62°F 1954	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

2026 so far brought 20.45 in of precipitation in Sioux City, IA, the driest 1 January to 10 October since 2022, 47th driest of 134.
The hottest day of 2026 so far in Sioux City, IA: 101°F on Monday 20 July 2026.
The coldest night of 2026 so far in Sioux City, IA: a low of -13°F on Monday 26 January 2026.
The wettest day of 2026 so far in Sioux City, IA: 1.80 in on Thursday 2 April 2026.