Sioux City, IA: March

31 March 2026: March 2026 averaged 43.1°F in Sioux City, IA, the warmest March since 2016, 7th warmest of 137.

March 2026

Mean temperature: 43.1°F; Warmest since 2016; 7th warmest of 137
Precipitation: 1.67 in; Wettest since 2025; 57th wettest of 137

A normal March in Sioux City, IA (1991 to 2020): a mean temperature of 36.9°F, between 30.7°F and 42.4°F in eight years of ten and 1.41 in of precipitation, between 0.68 in and 3.57 in in eight years of ten.

The mean temperature of every March in Sioux City, IA since 1890: 43.1°F in 2026; the highest is 53.2°F, in 2012.

Normal range, 30.7 to 42.4°F

Every year, ranked, as a table

Every March 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
2026	43.1	7	58.9	4	27.2	49	1.67	57
2025	42.7	9	57.1	7	28.4	38	2.95	16
2024	39.7	37	53.4	14	26.1	62	2.83	19
2023	33	94	42.6	92	23.4	90	1.20	78
2022	37	53	50.9	36	23	95	1.87	41
2021	42.6	11	54.8	12	30.3	17	3.62	8
2020	40.6	23	50.5	40	30.7	12	3.25	12
2019	32	98	40.9	102	23	95	2.89	18
2018	36.8	57	45.3	70	28.4	38	1.95	40
2017	40	33	50.4	41	29.5	27	1.51	65
2016	44.3	4	56.8	9	31.8	8	3.06	14
2015	42	15	58.4	5	25.5	74	0.88	94
2014	33.1	92	46.7	59	19.5	121	0.38	125
2013	31	107	40.5	104	21.5	111	2.00	38
2012	53.2	1	67.8	1	38.6	1	0.70	104
2011	35.2	74	45.3	70	25.1	81	0.90	90
2010	39.2	42	48.2	49	30.2	18	1.38	72
2009	36.8	57	48	50	25.6	70	1.44	67
2008	33.1	92	42.9	89	23.3	92	1.23	76
2007	42.7	9	53.4	14	31.9	7	4.19	4
2006	35.7	72	46.5	61	24.8	83	2.61	23
2005	38.9	43	52.5	17	25.2	78	0.80	99
2004	41	19	51.9	25	30.2	18	4.36	3
2003	36.6	60	49.3	44	23.9	87	1.67	57
2002	28.8	122	38.7	115	18.8	125	0.95	88
2001	30.7	110	38.7	115	22.8	99	0.87	95
2000	42.4	13	55.7	10	29	33	0.71	103
1999	37	53	48.8	45	25.2	78	0.89	92
1998	30.5	112	38.1	119	23	95	4.01	7
1997	37.9	48	50	42	25.8	67	0.46	122
1996	29	121	41.9	98	16	134	1.09	83
1995	36.4	63	46	63	26.8	54	2.09	34
1994	39.5	40	51.9	25	27	52	0.04	136
1993	31.5	103	39.5	108	23.6	89	0.85	98
1992	40.4	28	51.3	32	29.5	27	3.52	9
1991	40.2	30	52.5	17	27.9	44	2.02	36
1990	40.2	30	50.7	38	29.7	24	2.18	29
1989	33.9	83	44.7	77	23.2	93	0.86	96
1988	39.4	41	52.9	16	25.9	63	0.59	114
1987	40.5	25	51.5	30	29.4	30	5.90	1
1986	41	19	52.3	20	29.7	24	3.03	15
1985	41.5	17	52.3	20	30.7	12	2.20	28
1984	29.3	117	35.9	126	22.6	101	1.79	49
1983	36.4	63	43.1	87	29.8	20	4.91	2
1982	34	81	42.7	91	25.2	78	1.53	63
1981	40.5	25	54.6	13	26.3	57	1.78	50
1980	33.6	87	44	80	23.2	93	1.03	85
1979	31.3	105	40	106	22.5	104	3.27	11
1978	32.5	97	43.1	87	21.8	109	0.60	113
1977	40.6	23	50.8	37	30.5	14	4.05	5
1976	36.3	66	46.8	58	25.9	63	2.63	22
1975	29.1	118	37.1	123	21	112	1.43	68
1974	39.6	39	51.7	28	27.5	45	0.68	108
1973	42.9	8	50.6	39	35.1	4	4.02	6
1972	37.7	50	47.2	55	28.2	41	1.31	75
1971	35.1	75	44.4	79	25.9	63	0.46	122
1970	30.3	113	38.6	117	22	107	1.84	44
1969	24.9	133	32.9	129	16.9	131	0.69	107
1968	43.8	6	59.5	3	28	42	0.24	134
1967	39.8	35	52.3	20	27.4	46	0.26	132
1966	40.2	30	52.4	19	28	42	1.78	50
1965	23.8	135	31.2	135	16.4	132	1.67	57
1964	30.8	109	42.2	96	19.4	122	1.59	60
1963	40.8	22	51.7	28	29.8	20	1.50	66
1962	25.5	131	32.5	132	18.6	127	3.19	13
1961	37.5	51	45.2	74	29.8	20	1.87	41
1960	17.9	137	27.3	137	8.5	137	2.17	30
1959	36.6	60	45.9	65	27.3	47	2.68	20
1958	33.5	89	40.7	103	26.3	57	0.86	96
1957	35.8	71	45.4	69	26.2	61	1.80	48
1956	33.6	87	45	76	22.3	106	0.29	131
1955	32.9	95	43.9	82	22	107	0.70	104
1954	31	107	39.3	111	22.6	101	2.08	35
1953	37.1	52	47.5	52	26.8	54	1.98	39
1952	29.8	115	38	120	21.7	110	2.16	31
1951	26.2	129	35	128	17.3	130	2.38	25
1950	29.5	116	39.5	108	19.4	122	0.92	89
1949	33.2	91	40.5	104	25.9	63	1.70	55
1948	30.6	111	41.1	100	20.2	116	0.77	101
1947	31.3	105	39.8	107	22.8	99	0.53	117
1946	46.5	3	57.8	6	35.3	3	1.81	47
1945	42.2	14	55	11	29.5	27	1.58	61
1944	28.4	124	35.9	126	20.9	113	1.07	84
1943	29.9	114	42.4	94	17.5	129	0.34	127
1942	36.9	56	45.5	67	28.4	38	2.33	27
1941	33.8	86	42	97	25.6	70	0.39	124
1940	32	98	39.5	108	24.4	85	3.30	10
1939	36.5	62	47.5	52	25.4	76	0.96	87
1938	42.6	11	52.2	24	33	5	0.97	86
1937	34	81	42.9	89	25.1	81	2.50	24
1936	38.8	44	48.5	47	29.1	32	0.30	130
1935	41	19	51.1	33	31	9	1.32	74
1934	34.1	80	45.2	74	22.9	98	1.36	73
1933	35.5	73	43.9	82	27	52	2.67	21
1932	28	126	36	125	20.1	118	1.16	80
1931	35.1	75	44	80	26.3	57	0.67	109
1930	36.4	63	47.2	55	25.6	70	0.12	135
1929	39.7	37	48.8	45	30.5	14	1.12	82
1928	40	33	49.6	43	30.4	16	1.17	79
1927	37.9	48	45.9	65	29.8	20	2.16	31
1926	33.9	83	43.9	82	23.9	87	0.32	129
1925	40.5	25	51.5	30	29.6	26	0.33	128
1924	31.4	104	37.3	122	25.6	70	1.82	45
1923	29.1	118	39.2	112	19.1	124	1.74	53
1922	38	47	47.4	54	28.6	35	1.69	56
1921	41.5	17	52.3	20	30.8	11	0.67	109
1920	36.7	59	47.2	55	26.3	57	2.38	25
1919	36.3	66	45.5	67	27.1	51	1.14	81
1918	44	5	56.9	8	31	9	0.55	115
1917	33.3	90	41.4	99	25.3	77	1.82	45
1916	35.9	68	46.1	62	25.7	69	0.70	104
1915	26.8	128	32.7	130	20.8	114	1.76	52
1914	34.6	79	43.7	85	25.5	74	0.79	100
1913	31.7	101	42.5	93	20.8	114	1.43	68
1912	24.2	134	32.3	134	16.2	133	2.90	17
1911	40.3	29	51.8	27	28.7	34	0.38	125
1910	50.6	2	64.3	2	36.9	2	0.03	137
1909	31.7	101	39.1	113	24.4	85	0.74	102
1908	37	53	46.6	60	27.3	47	0.64	111
1907	38.4	45	48.3	48	28.5	36	0.26	132
1906	26.2	129	32.6	131	19.7	120	0.89	92
1905	41.8	16	51	35	32.7	6	1.41	71
1904	35	77	45.3	70	24.7	84	0.50	118
1903	35.9	68	44.6	78	27.2	49	1.85	43
1902	38.4	45	47.6	51	29.2	31	0.50	118
1901	35	77	43.5	86	26.5	56	1.58	61
1900	32.9	95	42.4	94	23.4	90	1.53	63
1899	22	136	29.4	136	14.5	136	0.55	115
1898	35.9	68	46	63	25.8	67	0.90	90
1897	28.8	122	38.9	114	18.7	126	1.71	54
1896	27.2	127	38.6	117	15.7	135	0.50	118
1895	33.9	83	45.3	70	22.5	104	0.50	118
1894	39.8	35	51.1	33	28.5	36	0.64	111
1893	29.1	118	38	120	20.2	116	1.43	68
1892	31.9	100	41.1	100	22.6	101	1.21	77
1891	25	132	32.4	133	17.7	128	2.01	37
1890	28.3	125	36.6	124	20.1	118	2.12	33

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2012	53.2
1910	50.6
1946	46.5
2016	44.3
1918	44
1968	43.8
2026	43.1
1973	42.9
2025	42.7
2007	42.7

Coldest
Year	Mean, °F
1960	17.9
1899	22
1965	23.8
1912	24.2
1969	24.9
1891	25
1962	25.5
1951	26.2
1906	26.2
1915	26.8

Wettest
Year	Precipitation, in
1987	5.90
1983	4.91
2004	4.36
2007	4.19
1977	4.05
1973	4.02
1998	4.01
2021	3.62
1992	3.52
1940	3.30

Driest
Year	Precipitation, in
1910	0.03
1994	0.04
1930	0.12
1968	0.24
1967	0.26
1907	0.26
1956	0.29
1936	0.30
1926	0.32
1925	0.33

The hottest, coldest and wettest days

Hottest day: 95°F; 21 March 2026
Coldest night: 5°F; 16 March 2026
Wettest day: 0.88 in; 6 March 2026

Every month, season and year

Months

Seasons

Years

Sioux City, IA the day's answers

All-time records

Every answer in words

March 2026 brought 1.67 in of precipitation in Sioux City, IA, the wettest March since 2025, tied 57th wettest of 137 (with 2003 and 1965).
The hottest day of March 2026 in Sioux City, IA: 95°F on Saturday 21 March 2026.
The coldest night of March 2026 in Sioux City, IA: a low of 5°F on Monday 16 March 2026.
The wettest day of March 2026 in Sioux City, IA: 0.88 in on Friday 6 March 2026.