Sioux City, IA: October

9 October 2026: October 2026 so far averaged 62.4°F in Sioux City, IA, the warmest 1 to 9 October since 2025, 21st warmest of 138.

October 2026 so far, to 9 October 2026

Mean temperature: 62.4°F; Warmest since 2025; 21st warmest of 138
Precipitation: 0.01 in; Driest since 2024; 28th driest of 138

A normal 1 to 9 October in Sioux City, IA (1991 to 2020): a mean temperature of 56.3°F, between 50.5°F and 62.9°F in eight years of ten and 0.88 in of precipitation, between 0.02 in and 2.04 in in eight years of ten.

The mean temperature of every 1 to 9 October in Sioux City, IA since 1889: 62.4°F in 2026; the highest is 70.3°F, in 1938.

Normal range, 50.5 to 62.9°F

Every year, ranked, as a table

Every 1 to 9 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
2026	62.4	21	78.7	7	46.2	59	0.01	108
2025	65.1	8	78.6	8	51.6	12	0.03	100
2024	59.4	43	77.3	14	41.6	96	0.00	131
2023	59.6	41	72.7	44	46.6	54	0.61	50
2022	57.8	66	73	36	42.6	85	0.04	97
2021	64.2	11	76.1	22	52.3	7	0.02	104
2020	55.7	87	71.8	50	39.6	117	0.12	89
2019	52.3	114	63	118	41.6	96	1.98	13
2018	50.8	122	57.9	134	43.8	75	2.41	6
2017	58.7	50	66.8	91	50.7	19	6.47	1
2016	57.7	67	70.1	62	45.2	65	1.02	32
2015	57.2	71	67.9	84	46.4	56	trace	112
2014	53.7	99	66	99	41.3	101	0.53	53
2013	59.6	41	73.7	31	45.6	64	0.99	33
2012	47.5	133	64.1	115	30.9	138	trace	112
2011	66.4	5	82	4	50.8	18	0.04	97
2010	58.1	60	76.2	20	40	110	0.02	104
2009	47	136	56.7	135	37.3	128	1.89	14
2008	58.1	60	72.9	40	43.2	81	0.74	44
2007	64	12	76.7	16	51.3	15	1.45	23
2006	62.8	18	76.7	16	49	27	0.20	79
2005	60.1	30	73.2	34	46.9	44	1.66	17
2004	53.3	103	69.8	64	36.9	131	0.43	56
2003	59.9	34	77.4	13	42.4	87	trace	112
2002	52.1	118	65.3	105	38.9	120	1.50	19
2001	55.9	83	69.7	65	42.1	90	0.96	35
2000	45.4	138	58.1	133	32.7	136	0.24	72
1999	52.6	110	68.1	82	37.1	130	0.24	72
1998	52.7	109	62.9	119	42.6	85	2.00	12
1997	67.5	2	84.4	1	50.6	21	0.25	68
1996	55.2	90	69	73	41.3	101	0.02	104
1995	53.7	99	65.2	106	42.2	88	1.50	19
1994	56.7	76	64.9	109	48.6	32	1.35	25
1993	57.2	71	70.4	60	43.9	73	1.19	26
1992	57.9	64	69	73	46.9	44	3.49	3
1991	53.2	104	66.6	94	39.9	112	0.79	41
1990	55.8	84	68.6	76	43	83	0.95	36
1989	50.7	123	64.2	113	37.2	129	0.08	94
1988	48.9	129	61.9	122	35.9	134	0.00	131
1987	51.4	120	65.9	100	36.9	131	trace	112
1986	54.7	92	65.6	103	43.8	75	0.82	40
1985	48.9	129	59.4	129	38.3	125	0.16	83
1984	59.8	37	70	63	49.6	26	1.41	24
1983	58.4	55	69.1	72	47.7	39	0.38	58
1982	60.3	29	72.3	46	48.2	35	3.38	4
1981	52.3	114	62.9	119	41.7	95	0.19	80
1980	57	74	73.6	32	40.4	107	trace	112
1979	52.6	110	66.4	96	38.8	121	0.03	100
1978	52.2	117	65.6	103	38.8	121	0.07	96
1977	49.3	127	59	131	39.7	116	1.08	29
1976	53.9	98	69.3	70	38.6	123	0.10	90
1975	59.9	34	76.7	16	43.1	82	0.00	131
1974	50.4	124	66.1	98	34.8	135	0.14	86
1973	62.5	20	72.3	46	52.7	5	1.46	22
1972	58.5	52	72.9	40	44.1	72	0.21	76
1971	59.8	37	73	36	46.7	53	0.54	52
1970	55.8	84	67.1	87	44.4	68	3.58	2
1969	57.9	64	71.3	53	44.4	68	0.78	42
1968	53.4	102	64.9	109	41.9	93	0.63	49
1967	58.3	58	69.7	65	46.9	44	0.25	68
1966	56.7	76	71.2	56	42.1	90	trace	112
1965	58.5	52	72.8	43	44.2	71	trace	112
1964	51.8	119	64.2	113	39.3	119	0.19	80
1963	67.3	3	83.1	2	51.4	13	0.44	55
1962	59.2	46	67.8	85	50.7	19	0.83	39
1961	56.6	78	71.7	51	41.6	96	0.09	93
1960	60.1	30	75.8	23	44.4	68	trace	112
1959	49.9	125	60	126	39.9	112	1.53	18
1958	60.4	28	74	29	46.8	49	trace	112
1957	59.1	47	68.2	80	50	22	0.73	45
1956	59.3	45	75	25	43.7	78	trace	112
1955	60.1	30	71.3	53	48.9	28	0.22	75
1954	53.6	101	59.8	127	47.3	40	2.07	10
1953	57.1	73	74.2	28	40	110	trace	112
1952	47.6	132	62.6	121	32.7	136	trace	112
1951	58.4	55	70.3	61	46.6	54	1.49	21
1950	49.4	126	60.8	124	38	126	1.10	28
1949	64	12	76.2	20	51.8	10	1.06	30
1948	55.4	89	67	88	43.9	73	1.18	27
1947	63.7	15	77.6	11	49.8	24	0.02	104
1946	58.5	52	69.7	65	47.3	40	2.33	7
1945	54.2	95	66.8	91	41.6	96	0.01	108
1944	52.4	113	61	123	43.8	75	0.25	68
1943	57.3	70	75	25	39.6	117	0.00	131
1942	60.7	27	74.7	27	46.8	49	0.21	76
1941	57.4	69	68.4	78	46.4	56	1.78	15
1940	59.4	43	71.9	49	47	43	0.98	34
1939	61.1	26	73.8	30	48.3	33	0.25	68
1938	70.3	1	83.1	2	57.6	2	trace	112
1937	57.6	68	66.6	94	48.7	29	0.32	63
1936	58.1	60	69.3	70	46.8	49	0.38	58
1935	45.9	137	55.7	136	36.2	133	0.32	63
1934	64.4	10	77.7	10	51.1	16	trace	112
1933	55.6	88	68.6	76	42.7	84	0.00	131
1932	52.9	106	63.7	116	42.2	88	0.15	85
1931	62.3	22	73	36	51.7	11	0.67	48
1930	65.7	6	72.9	40	58.4	1	0.14	86
1929	56.5	81	64.7	112	48.3	33	0.37	60
1928	62.3	22	77.6	11	47.1	42	trace	112
1927	51.3	121	60.6	125	42	92	0.21	76
1926	59.8	37	68.2	80	51.4	13	0.17	82
1925	47.2	134	54.1	138	40.3	108	0.89	37
1924	58.4	55	69	73	47.9	37	1.05	31
1923	58.1	60	67.4	86	48.7	29	0.10	90
1922	62.8	18	73.6	32	52.1	9	0.30	66
1921	54.6	93	68.4	78	40.8	105	0.00	131
1920	61.6	24	76.3	19	46.8	49	0.00	131
1919	59.8	37	69.6	68	50	22	0.32	63
1918	60.1	30	72	48	48.2	35	0.14	86
1917	52.8	107	65	107	40.6	106	trace	112
1916	58.7	50	70.9	59	46.4	56	0.08	94
1915	48.8	131	59.2	130	38.4	124	0.75	43
1914	63.9	14	73.2	34	54.7	3	1.75	16
1913	61.2	25	72.7	44	49.7	25	0.34	61
1912	58.9	49	71	57	46.9	44	0.03	100
1911	52.8	107	59.8	127	45.8	61	2.18	8
1910	59.9	34	73	36	46.9	44	0.70	46
1909	64.6	9	76.9	15	52.3	7	0.43	56
1908	54.5	94	65.7	102	43.3	80	0.87	38
1907	58.3	58	71.6	52	45	66	0.03	100
1906	54	97	67	88	41	104	trace	112
1905	67.1	4	79.6	5	54.7	3	0.51	54
1904	59.1	47	69.6	68	48.7	29	0.70	46
1903	56.6	78	66.9	90	46.2	59	2.48	5
1902	54.9	91	66.4	96	43.4	79	trace	112
1901	54.1	96	63.3	117	44.8	67	0.29	67
1900	63.1	17	75.3	24	50.9	17	0.01	108
1899	56.1	82	71	57	41.1	103	0.24	72
1898	52.6	110	65	107	40.2	109	0.10	90
1897	65.4	7	78.3	9	52.6	6	trace	112
1896	52.3	114	66.7	93	37.9	127	0.57	51
1895	53.2	104	64.9	109	41.6	96	0.04	97
1894	49.2	128	58.4	132	39.9	112	2.03	11
1893	56.9	75	68.1	82	45.7	62	0.34	61
1892	63.7	15	79.6	5	47.8	38	0.01	108
1891	47.2	134	54.4	137	39.9	112	2.16	9
1890	55.8	84	65.9	100	45.7	62	0.16	83
1889	56.6	78	71.3	53	41.9	93	0.00	131

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1938	70.3
1997	67.5
1963	67.3
1905	67.1
2011	66.4
1930	65.7
1897	65.4
2025	65.1
1909	64.6
1934	64.4

Coldest
Year	Mean, °F
2000	45.4
1935	45.9
2009	47
1925	47.2
1891	47.2
2012	47.5
1952	47.6
1915	48.8
1988	48.9
1985	48.9

Wettest
Year	Precipitation, in
2017	6.47
1970	3.58
1992	3.49
1982	3.38
1903	2.48
2018	2.41
1946	2.33
1911	2.18
1891	2.16
1954	2.07

Driest
Year	Precipitation, in
2024	0.00
1988	0.00
1975	0.00
1943	0.00
1933	0.00
1921	0.00
1920	0.00
1889	0.00
2015	trace
2012	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 88°F; 6 October 2026
Coldest night: 40°F; 5 October 2026
Wettest day: 0.01 in; 1 October 2026

Every month, season and year

Months

Seasons

Years

Sioux City, IA the day's answers

All-time records

Every answer in words

October 2026 so far brought 0.01 in of precipitation in Sioux City, IA, the driest 1 to 9 October since 2024, tied 28th driest of 138 (with 1945, 1900 and 1892).
The hottest day of October 2026 so far in Sioux City, IA: 88°F on Tuesday 6 October 2026.
The coldest night of October 2026 so far in Sioux City, IA: a low of 40°F on Monday 5 October 2026.
The wettest day of October 2026 so far in Sioux City, IA: 0.01 in on Thursday 1 October 2026.