Sioux City, IA: July

31 July 2026: July 2026 averaged 77.3°F in Sioux City, IA, the warmest July since 2017, 33rd warmest of 138.

July 2026

Mean temperature: 77.3°F; Warmest since 2017; 33rd warmest of 138
Precipitation: 2.80 in; Driest since 2022; 66th driest of 138

A normal July in Sioux City, IA (1991 to 2020): a mean temperature of 74.5°F, between 70.7°F and 77.7°F in eight years of ten and 3.04 in of precipitation, between 0.78 in and 6.74 in in eight years of ten.

The mean temperature of every July in Sioux City, IA since 1889: 77.3°F in 2026; the highest is 87.1°F, in 1936.

Normal range, 70.7 to 77.7°F

Every year, ranked, as a table

Every July 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	77.3	33	87.9	45	66.7	26	2.80	73
2025	75.3	65	85	90	65.6	40	6.62	10
2024	73.7	99	84.5	102	62.8	99	7.40	5
2023	73.1	113	85.5	82	60.7	127	2.94	66
2022	76.6	37	89.2	22	63.9	71	1.86	103
2021	74.6	78	86.5	66	62.7	103	1.43	116
2020	76.6	37	88	44	65.3	46	4.15	41
2019	74.8	73	84.6	96	65	48	6.99	7
2018	73.4	108	84.8	93	62	111	2.30	86
2017	77.7	22	89.6	18	65.7	38	0.84	127
2016	76	54	86.7	63	65.3	46	2.19	89
2015	73.9	97	84.5	102	63.3	89	5.68	18
2014	70.7	130	81.7	125	59.7	132	3.61	53
2013	73.5	105	85.9	72	61	126	0.60	132
2012	80.3	8	93.3	5	67.3	19	0.78	128
2011	80.3	8	90.1	15	70.5	3	0.78	128
2010	75.1	69	85.7	78	64.5	58	9.23	2
2009	70.2	134	81.7	125	58.7	137	5.55	21
2008	74.5	81	85.5	82	63.6	81	4.39	34
2007	76.5	40	88.6	28	64.3	61	2.19	89
2006	77.6	26	90.4	14	64.7	54	0.36	137
2005	77.4	29	89.2	22	65.6	40	2.51	82
2004	71.7	124	82.2	121	61.3	122	2.93	67
2003	74.4	87	85.9	72	62.9	95	3.72	49
2002	77.7	22	88.7	26	66.8	25	4.16	39
2001	75.8	59	85.9	72	65.7	38	2.18	91
2000	73.6	103	83.3	114	63.9	71	3.14	63
1999	77.7	22	88.2	37	67.2	21	3.30	56
1998	74.5	81	84.8	93	64.3	61	1.49	114
1997	74.1	93	84.3	104	63.8	74	1.94	99
1996	70.4	132	81.3	129	59.6	133	7.33	6
1995	74.9	72	88.4	32	61.4	121	1.36	120
1994	70.8	129	81.5	127	60.2	130	4.53	32
1993	73.1	113	82	123	64.2	64	6.71	8
1992	68.5	138	78.1	138	59	135	4.81	30
1991	74.5	81	85.5	82	63.5	83	0.77	130
1990	73.4	108	83.8	110	62.9	95	3.22	60
1989	77.4	29	88.7	26	66	33	5.76	17
1988	76.4	43	88.6	28	64.2	64	2.93	67
1987	76.8	35	87.8	47	65.9	35	3.08	64
1986	76.7	36	87.5	50	66	33	3.26	58
1985	74.5	81	86.3	67	62.7	103	0.41	135
1984	73.7	99	84.6	96	62.7	103	2.56	81
1983	77.2	34	88.2	37	66.1	32	1.27	122
1982	76.3	46	86.9	59	65.8	37	3.63	52
1981	74.5	81	83.4	113	65.6	40	4.36	35
1980	78.6	14	91.7	9	65.5	43	0.50	134
1979	74.4	87	84.6	96	64.2	64	1.91	101
1978	73.7	99	84.6	96	62.9	95	3.25	59
1977	75.9	56	86.8	61	65	48	6.34	11
1976	76.3	46	88.2	37	64.4	60	1.50	113
1975	76.4	43	88.1	41	64.7	54	1.61	109
1974	81.3	5	94	3	68.7	10	1.29	121
1973	74.7	76	83.9	108	65.5	43	4.90	29
1972	73.7	99	83.5	112	63.8	74	10.33	1
1971	72.5	119	83.9	108	61.1	124	1.57	111
1970	75	71	86.6	64	63.5	83	1.89	102
1969	76	54	85.8	76	66.2	31	4.92	28
1968	74.6	78	85.9	72	63.3	89	1.68	107
1967	73.2	112	84.6	96	61.8	114	2.02	96
1966	77.9	20	87.2	54	68.7	10	2.93	67
1965	75.1	69	85.6	80	64.7	54	2.16	92
1964	78.5	15	89.5	19	67.5	16	6.00	13
1963	76.6	37	86.3	67	66.9	24	2.39	83
1962	73.3	111	82.8	118	63.7	78	6.12	12
1961	74.3	90	85.1	87	63.4	88	4.36	35
1960	75.3	65	87.5	50	63.1	91	2.60	79
1959	74	94	86.1	71	61.9	113	2.85	72
1958	71.1	128	81.2	131	61.1	124	4.52	33
1957	79.8	11	91	12	68.5	12	4.27	37
1956	74.3	90	85.7	78	62.8	99	5.36	24
1955	81.5	4	93.3	5	69.7	6	3.50	54
1954	79	13	91	12	67	23	1.37	119
1953	75.7	61	87.9	45	63.6	81	0.53	133
1952	74.5	81	87.3	53	61.7	118	5.17	25
1951	72.8	117	83.8	110	61.8	114	2.99	65
1950	70.1	135	81.2	131	59	135	4.13	42
1949	76.2	50	88.5	30	63.8	74	5.59	19
1948	76.3	46	89.1	24	63.5	83	3.19	62
1947	74.7	76	87.8	47	61.6	120	0.41	135
1946	74.8	73	86.2	70	63.5	83	1.45	115
1945	72.9	116	84	107	61.7	118	3.89	45
1944	74	94	85.8	76	62.1	109	4.18	38
1943	76.4	43	88.4	32	64.3	61	4.66	31
1942	75.9	56	88.1	41	63.8	74	1.66	108
1941	75.4	63	87.1	55	63.7	78	2.31	85
1940	77.4	29	89.5	19	65.4	45	4.06	44
1939	79.2	12	91.2	11	67.2	21	2.14	93
1938	78.3	18	89.9	16	66.7	26	6.70	9
1937	78.5	15	89.7	17	67.4	17	1.61	109
1936	87.1	1	100.2	1	74.1	1	0.18	138
1935	82.9	2	94	3	71.7	2	2.02	96
1934	80.3	8	91.7	9	68.9	8	4.93	27
1933	77.5	28	88.4	32	66.5	28	3.20	61
1932	77.8	21	88.3	36	67.3	19	2.61	78
1931	78.4	17	89.3	21	67.4	17	1.74	106
1930	80.5	7	92.2	7	68.8	9	0.72	131
1929	75.8	59	85.3	85	66.4	29	3.27	57
1928	75.3	65	85.6	80	65	48	3.83	48
1927	73.8	98	85.1	87	62.6	106	1.81	104
1926	76.5	40	87.1	55	65.9	35	1.99	98
1925	75.5	62	86.9	59	64.2	64	1.43	116
1924	71.4	126	82.2	121	60.5	129	2.87	71
1923	77.7	22	87.5	50	67.8	15	2.93	67
1922	71.7	124	81.4	128	62	111	5.97	14
1921	77.6	26	87	57	68.2	13	2.06	95
1920	74.4	87	84.2	106	64.6	57	3.89	45
1919	78.1	19	88.2	37	68	14	4.16	39
1918	74.6	78	85	90	64.2	64	2.08	94
1917	76.3	46	87.6	49	65	48	0.85	126
1916	81	6	91.8	8	70.3	4	3.89	45
1915	69.8	136	78.4	137	61.2	123	7.45	4
1914	77.4	29	88.5	30	66.3	30	1.16	124
1913	76.5	40	88.1	41	65	48	1.92	100
1912	74.8	73	85.1	87	64.5	58	3.68	51
1911	74.2	92	86.3	67	62.1	109	1.56	112
1910	74	94	85.2	86	62.8	99	3.69	50
1909	72.3	123	81	133	63.5	83	4.09	43
1908	72.8	117	82.7	119	62.9	95	2.73	75
1907	73	115	83	115	63	94	5.78	15
1906	70.4	132	81.3	129	59.4	134	2.37	84
1905	70.6	131	80.6	135	60.6	128	1.41	118
1904	71.4	126	80.9	134	61.8	114	5.49	23
1903	72.5	119	81.9	124	63.1	91	5.57	20
1902	73.5	105	82.9	117	64.1	69	5.03	26
1901	82.7	3	95.1	2	70.2	5	1.24	123
1900	73.6	103	84.3	104	62.8	99	8.72	3
1899	73.5	105	84.7	95	62.3	107	1.00	125
1898	73.4	108	84.6	96	62.2	108	2.78	74
1897	76.2	50	88.4	32	64.1	69	2.26	88
1896	72.4	121	83	115	61.8	114	5.54	22
1895	72.4	121	84.9	92	59.9	131	2.63	76
1894	76.1	52	89	25	63.1	91	1.81	104
1893	75.2	68	86.6	64	63.7	78	2.29	87
1892	75.4	63	86.8	61	63.9	71	2.63	76
1891	69.2	137	80.1	136	58.2	138	5.77	16
1890	75.9	56	87	57	64.9	53	2.59	80
1889	76.1	52	82.7	119	69.5	7	3.31	55

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1936	87.1
1935	82.9
1901	82.7
1955	81.5
1974	81.3
1916	81
1930	80.5
2012	80.3
2011	80.3
1934	80.3

Coldest
Year	Mean, °F
1992	68.5
1891	69.2
1915	69.8
1950	70.1
2009	70.2
1996	70.4
1906	70.4
1905	70.6
2014	70.7
1994	70.8

Wettest
Year	Precipitation, in
1972	10.33
2010	9.23
1900	8.72
1915	7.45
2024	7.40
1996	7.33
2019	6.99
1993	6.71
1938	6.70
2025	6.62

Driest
Year	Precipitation, in
1936	0.18
2006	0.36
1985	0.41
1947	0.41
1980	0.50
1953	0.53
2013	0.60
1930	0.72
1991	0.77
2012	0.78
More years share the last value

The hottest, coldest and wettest days

Hottest day: 101°F; 20 July 2026
Coldest night: 57°F; 22 July 2026
Wettest day: 1.48 in; 3 July 2026

Every month, season and year

Months

Seasons

Years

Sioux City, IA the day's answers

All-time records

Every answer in words

July 2026 brought 2.80 in of precipitation in Sioux City, IA, the driest July since 2022, 66th driest of 138.
The hottest day of July 2026 in Sioux City, IA: 101°F on Monday 20 July 2026.
The coldest night of July 2026 in Sioux City, IA: a low of 57°F on Wednesday 22 July 2026.
The wettest day of July 2026 in Sioux City, IA: 1.48 in on Friday 3 July 2026.