Sioux City, IA: June

30 June 2026: June 2026 averaged 71.8°F in Sioux City, IA, the warmest June since 2025, tied 50th warmest of 135 (with 2010 and 1997).

June 2026

Mean temperature: 71.8°F; Warmest since 2025; 50th warmest of 135
Precipitation: 1.93 in; Driest since 2023; 22nd driest of 136

A normal June in Sioux City, IA (1991 to 2020): a mean temperature of 71.2°F, between 68.1°F and 74.8°F in eight years of ten and 3.87 in of precipitation, between 1.87 in and 6.55 in in eight years of ten.

The mean temperature of every June in Sioux City, IA since 1890: 71.8°F in 2026; the highest is 80°F, in 1933.

Normal range, 68.1 to 74.8°F

Every year, ranked, as a table

Every June in Sioux City, IA from 1890 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	71.8	50	84.1	33	59.6	68	1.93	115	0
2025	72.8	29	85	24	60.7	43	4.64	47	0
2024	72	45	84.2	32	59.7	63	3.34	79	0
2023	72.8	29	85.8	19	59.8	59	1.79	122	0
2022	73.2	22	86.7	14	59.7	63	1.15	132	0
2021	73.9	19	87.4	10	60.3	48	1.31	130	0
2020	75.9	8	88.2	5	63.6	12	1.56	125	0
2019	70.6	68	82.2	62	58.9	83	1.89	118	0
2018	74	18	83.5	40	64.5	4	8.65	4	0
2017	72.9	26	87.1	12	58.7	86	1.72	123	0
2016	75.8	9	88.2	5	63.5	13	1.38	129	0
2015	71.7	53	82.5	57	60.9	39	4.19	57	0
2014	70.6	68	81.6	70	59.6	68	16.65	1	0
2013	69.8	84	79.9	90	59.7	63	3.13	83	0
2012	73.1	24	85.1	22	61.2	35	2.16	106	0
2011	70.9	62	81.4	72	60.3	48	5.03	36	0
2010	71.8	50	83.3	45	60.3	48	6.40	14	0
2009	70	79	80.3	86	59.6	68	5.26	31	0
2008	69.5	91	81.8	64	57.1	112	3.35	78	0
2007	71.9	47	83.5	40	60.3	48	2.70	97	0
2006	72.2	43	85.4	21	59	81	3.23	82	0
2005	74.9	13	85.9	18	63.9	10	4.13	58	0
2004	67	120	78.2	111	55.7	128	4.12	59	0
2003	68.5	103	80	88	57	114	4.04	60	0
2002	74.8	14	86.7	14	62.8	17	3.69	68	0
2001	70.4	71	82.5	57	58.3	93	2.57	100	0
2000	68.2	107	80.6	83	55.8	125	5.66	23	0
1999	68.5	103	78.4	109	58.6	88	7.90	7	0
1998	66.5	124	77.2	119	55.8	125	5.67	21	0
1997	71.8	50	85.1	22	58.5	89	3.09	84	0
1996	71.4	56	82.9	49	59.8	59	4.39	49	0
1995	70.1	77	81.2	75	59	81	2.18	105	0
1994	72.5	33	82.7	52	62.4	22	3.44	75	0
1993	67.7	115	78	112	57.3	110	4.23	54	0
1992	68.1	110	79.3	101	56.8	118	2.74	94	0
1991	73.9	19	83.7	38	64	9	5.27	30	0
1990	73.4	21	84.7	29	62.1	26	4.20	56	0
1989	69.4	94	81.8	64	57	114	1.83	120	0
1988	76.4	4	90.1	2	62.8	17	0.53	136	0
1987	74.3	16	86.9	13	61.7	32	3.09	84	0
1986	72.9	26	83.8	37	62	28	5.35	28	0
1985	67.8	113	79.8	93	55.9	123	1.15	132	0
1984	70.4	71	79.9	90	60.9	39	6.79	10	0
1983	68.1	110	77.7	114	58.5	89	4.58	48	0
1982	65.4	128	76.6	124	54.2	133	1.82	121	0
1981	72	45	84.9	26	59.1	80	3.07	87	0
1980	70.7	65	81.8	64	59.5	73	1.21	131	0
1979	70	79	81.7	68	58.2	95	3.39	76	0
1978	70.7	65	82.6	56	58.8	84	1.50	126	0
1977	70.9	62	81.6	70	60.1	54	4.80	42	0
1976	70.2	76	83.5	40	56.9	116	0.75	134	0
1975	69.5	91	79.3	101	59.6	68	5.34	29	0
1974	69.6	90	81.4	72	57.8	104	3.28	81	0
1973	72.4	35	84.5	30	60.2	53	3.54	71	0
1972	72.3	38	83.7	38	60.9	39	3.79	67	0
1971	75.4	11	86.3	16	64.5	4	3.65	69	0
1970	72.3	38	84.1	33	60.5	46	2.63	98	0
1969	65	132	76.6	124	53.4	135	5.71	20	0
1968	71.9	47	84	35	59.8	59	3.85	66	0
1967	68.7	98	77.8	113	59.6	68	8.78	2	0
1966	70.6	68	81.2	75	60	55	5.09	35	0
1965	69.4	94	79.1	104	59.7	63	2.01	114	0
1964	69.8	84	80.3	86	59.4	76	2.71	96	0
1963	74.7	15	85	24	64.3	8	5.74	19	0
1962	69.5	91	78.9	105	60	55	7.63	8	0
1961	71.3	58	83.2	47	59.5	73	3.39	76	0
1960	68.2	107	78.4	109	58	98	2.27	103	0
1959	74.3	16	85.7	20	62.8	17	3.02	90	0
1958	67.8	113	79.5	100	56	121	1.87	119	0
1957	70	79	81.8	64	58.2	95	8.67	3	0
1956	76.9	3	90	3	63.8	11	3.30	80	0
1955	68.6	101	79.3	101	57.9	100	2.91	92	0
1954	72.7	31	83.4	43	62	28	6.81	9	0
1953	75	12	87.5	9	62.5	20	5.90	17	0
1952	75.7	10	88.5	4	62.9	16	2.11	110	0
1951	65.3	130	75.3	130	55.2	131	4.00	63	0
1950	68.7	98	81.1	78	56.2	120	4.90	40	0
1949	72.9	26	84.5	30	61.2	35	3.08	86	0
1948	68.7	98	79.8	93	57.7	106	4.71	44	0
1947	66.5	124	77.2	119	55.8	125	5.84	18	0
1946	70.4	71	82.3	61	58.4	91	4.04	60	0
1945	63.5	135	73.2	135	53.9	134	6.50	12	0
1944	71.3	58	81.7	68	60.9	39	4.32	50	0
1943	70.7	65	81	80	60.4	47	4.91	39	0
1942	69.7	87	79.8	93	59.5	73	4.83	41	0
1941	70	79	79.7	97	60.3	48	6.42	13	0
1940	71	61	83.4	43	58.7	86	7.98	6	0
1939	72.4	35	82.9	49	62	28	4.31	52	0
1938	71.9	47	82.7	52	61.1	38	2.59	99	0
1937	69.9	83	80	88	59.7	63	5.11	34	0
1936	72.3	38	84.8	27	59.8	59	2.04	112	0
1935	67.4	117	76.9	122	57.9	100	2.16	106	0
1934	76	5	87.4	10	64.5	4	6.27	15	0
1933	80	1	92.6	1	67.4	1	1.90	117	0
1932	73.2	22	83.2	47	63.2	15	4.95	37	0
1931	77.2	2	87.7	7	66.8	2	2.90	93	0
1930	69.7	87	80.6	83	58.8	84	5.67	21	0
1929	67.6	116	77.3	118	57.9	100	8.47	5	0
1928	65	132	74.3	134	55.7	128	3.07	87	0
1927	67.9	112	77.7	114	58	98	3.52	72	0
1926	68.6	101	79.9	90	57.2	111	1.92	116	0
1925	71.3	58	81.2	75	61.4	33	5.36	27	0
1924	66.9	122	76.3	126	57.4	109	5.42	26	0
1923	70.3	75	78.5	108	62.1	26	5.14	33	0
1922	73.1	24	84	35	62.2	25	2.03	113	0
1921	76	5	86	17	66	3	2.10	111	0
1920	71.5	54	80.5	85	62.5	20	3.06	89	0
1919	71.4	56	79.6	99	63.3	14	6.06	16	0
1918	72.1	44	82.7	52	61.4	33	4.27	53	0
1917	67.4	117	77.2	119	57.6	108	3.91	64	0
1916	65.3	130	75.5	128	55	132	2.32	102	0
1915	65	132	74.4	133	55.5	130	5.65	24	0
1914	72.6	32	82.9	49	62.3	24	3.91	64	0
1913	72.3	38	82.7	52	61.9	31	0.75	134	0
1912	66.9	122	76.8	123	56.9	116	3.49	73	0
1911	76	5	87.6	8	64.4	7	2.12	109	0
1910	70.1	77	80.9	82	59.3	77	1.41	128	0
1909	68.5	103	77.7	114	59.3	77	5.20	32	0
1908	66.5	124	75.1	131	57.9	100	4.67	46	0
1907							4.21	55	30
1906	67.1	119	77.5	117	56.7	119	4.02	62	0
1905	69	97	78.6	107	59.3	77	2.55	101	0
1904	67	120	75.5	128	58.4	91	3.46	74	0
1903	65.9	127	75.8	127	56	121	5.65	24	0
1902	65.4	128	74.9	132	55.9	123	2.22	104	0
1901	71.5	54	82.4	60	60.6	44	4.70	45	0
1900	69.8	84	81.9	63	57.8	104	4.32	50	0
1899	70.4	71	81	80	59.9	58	4.76	43	0
1898	70.9	62	81.3	74	60.6	44	6.61	11	0
1897	68.4	106	79.7	97	57.1	112	2.13	108	0
1896	69.7	87	81.1	78	58.2	95	2.94	91	0
1895	68.2	107	78.7	106	57.7	106	4.95	37	0
1894	72.4	35	84.8	27	60	55	2.74	94	0
1893	72.3	38	83.3	45	61.2	35	1.63	124	0
1892	69.1	96	79.8	93	58.3	93	1.50	126	0
1890	72.5	33	82.5	57	62.4	22	3.61	70	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1933	80
1931	77.2
1956	76.9
1988	76.4
1934	76
1921	76
1911	76
2020	75.9
2016	75.8
1952	75.7

Coldest
Year	Mean, °F
1945	63.5
1969	65
1928	65
1915	65
1951	65.3
1916	65.3
1982	65.4
1902	65.4
1903	65.9
1998	66.5
More years share the last value

Wettest
Year	Precipitation, in
2014	16.65
1967	8.78
1957	8.67
2018	8.65
1929	8.47
1940	7.98
1999	7.90
1962	7.63
1954	6.81
1984	6.79

Driest
Year	Precipitation, in
1988	0.53
1976	0.75
1913	0.75
2022	1.15
1985	1.15
1980	1.21
2021	1.31
2016	1.38
1910	1.41
1978	1.50
More years share the last value

The hottest, coldest and wettest days

Hottest day: 97°F; 29 June 2026
Coldest night: 43°F; 15 June 2026
Wettest day: 0.65 in; 23 June 2026

Every month, season and year

Months

Seasons

Years

Sioux City, IA the day's answers

All-time records

Every answer in words

June 2026 brought 1.93 in of precipitation in Sioux City, IA, the driest June since 2023, 22nd driest of 136.
The hottest day of June 2026 in Sioux City, IA: 97°F on Monday 29 June 2026.
The coldest night of June 2026 in Sioux City, IA: a low of 43°F on Monday 15 June 2026.
The wettest day of June 2026 in Sioux City, IA: 0.65 in on Tuesday 23 June 2026.