Sioux City Days With Precipitation by Year

This page contains a list of the number of days it rained or snowed each year in Sioux City, Iowa for each year between 1948 and 2024. It is based on NOAA data.

Change:

Month:

Year With the Most Rainy Days in Sioux City

The most days of rain or snow in a single year in Sioux City, Iowa history is 127, which happened in 1984.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days
2024	77	30
2023	40	99
2022	70	80
2021	71	78
2020	57	90
2019	2	125
2018	11	110
2017	46	96
2016	60	89
2015	11	110
2014	34	100
2013	24	104
2012	66	85
2011	21	105
2010	10	114
2009	7	117
2008	19	106
2007	15	108
2006	60	89
2005	54	91
2004	46	96
2003	69	81
2002	51	92
2001	43	98
2000	21	105
1999	34	100
1998	5	122
1997	51	92
1996	34	100
1995	13	109
1994	30	101
1993	2	125
1992	19	106
1991	40	99
1990	51	92
1989	71	78
1988	75	75
1987	34	100
1986	34	100
1985	13	109
1984	1	127
1983	26	103
1982	8	116
1981	68	82
1980	66	85
1979	27	102
1978	54	91
1977	15	108
1976	76	66
1975	30	101
1974	54	91
1973	40	99
1972	2	125
1971	60	89
1970	34	100
1969	27	102
1968	27	102
1967	44	97
1966	65	86
1965	17	107
1964	24	104
1963	21	105
1962	6	118
1961	44	97
1960	30	101
1959	17	107
1958	73	77
1957	30	101
1956	49	94
1955	73	77
1954	57	90
1953	49	94
1952	64	87
1951	9	115
1950	46	96
1949	57	90
1948	63	88

Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location