Iowa October Precipitation by Year

This page is a list of the average statewide precipitation in the month of October in Iowa for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Rainiest October in Iowa History?

2009 was the wettest October in Iowa history with an average monthly statewide precipitation of 6.35 inches.

What Was the Driest October in Iowa History?

1952 was the driest October in Iowa history with an average monthly statewide precipitation of 0.02 inches.

Click column headers to sort

Year	Rank	Precipitation (in)
2023	36	3.18
2022	113	0.92
2021	6	5.04
2020	80	1.90
2019	8	4.78
2018	9	4.63
2017	3	5.26
2016	70	2.01
2015	85	1.76
2014	37	3.17
2013	53	2.78
2012	45	2.98
2011	122	0.74
2010	115	0.91
2009	1	6.35
2008	32	3.26
2007	5	5.10
2006	88	1.64
2005	116	0.91
2004	66	2.05
2003	112	1.00
2002	21	3.58
2001	59	2.46
2000	83	1.80
1999	121	0.77
1998	7	4.83
1997	25	3.37
1996	55	2.74
1995	71	2.00
1994	75	1.93
1993	103	1.31
1992	89	1.63
1991	49	2.92
1990	81	1.88
1989	77	1.92
1988	123	0.65
1987	120	0.78
1986	14	3.77
1985	39	3.16
1984	4	5.25
1983	26	3.37
1982	28	3.33
1981	58	2.54
1980	72	1.96
1979	16	3.68
1978	104	1.31
1977	11	4.12
1976	95	1.53
1975	127	0.31
1974	50	2.90
1973	57	2.57
1972	41	3.10
1971	18	3.61
1970	12	4.06
1969	19	3.61
1968	23	3.48
1967	40	3.15
1966	91	1.61
1965	109	1.06
1964	128	0.28
1963	108	1.08
1962	52	2.81
1961	43	3.01
1960	62	2.18
1959	47	2.94
1958	114	0.92
1957	54	2.75
1956	100	1.40
1955	97	1.48
1954	10	4.16
1953	124	0.48
1952	129	0.02
1951	31	3.27
1950	106	1.26
1949	78	1.92
1948	79	1.92
1947	15	3.74
1946	30	3.31
1945	126	0.34
1944	111	1.01
1943	90	1.63
1942	98	1.48
1941	2	5.81
1940	61	2.32
1939	99	1.48
1938	117	0.85
1937	65	2.09
1936	92	1.60
1935	56	2.67
1934	96	1.52
1933	102	1.32
1932	84	1.77
1931	46	2.97
1930	68	2.04
1929	48	2.94
1928	17	3.64
1927	34	3.21
1926	93	1.54
1925	51	2.87
1924	118	0.82
1923	107	1.22
1922	86	1.73
1921	73	1.96
1920	64	2.11
1919	38	3.17
1918	20	3.60
1917	101	1.34
1916	63	2.13
1915	105	1.28
1914	33	3.25
1913	44	3.01
1912	42	3.06
1911	24	3.42
1910	119	0.82
1909	67	2.05
1908	27	3.34
1907	94	1.54
1906	74	1.94
1905	29	3.32
1904	87	1.70
1903	76	1.93
1902	60	2.33
1901	69	2.02
1900	13	3.97
1899	82	1.83
1898	22	3.58
1897	110	1.02
1896	35	3.21
1895	125	0.48