Illinois July Precipitation by Year

This page is a list of the average statewide precipitation in the month of July in Illinois 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 July in Illinois History?

1958 was the wettest July in Illinois history with an average monthly statewide precipitation of 8.10 inches.

What Was the Driest July in Illinois History?

1930 was the driest July in Illinois history with an average monthly statewide precipitation of 0.97 inches.

Click column headers to sort

Year	Rank	Precipitation (in)
2023	31	4.76
2022	20	5.12
2021	24	4.98
2020	16	5.61
2019	91	3.05
2018	69	3.44
2017	29	4.81
2016	3	6.90
2015	19	5.21
2014	81	3.29
2013	86	3.16
2012	126	1.40
2011	62	3.61
2010	18	5.35
2009	37	4.59
2008	10	5.91
2007	77	3.31
2006	50	4.09
2005	84	3.23
2004	47	4.13
2003	23	5.00
2002	103	2.60
2001	54	3.78
2000	43	4.36
1999	98	2.93
1998	66	3.47
1997	112	2.21
1996	44	4.35
1995	94	2.97
1994	101	2.73
1993	5	6.61
1992	2	7.61
1991	116	2.06
1990	49	4.11
1989	58	3.69
1988	105	2.56
1987	41	4.37
1986	13	5.73
1985	82	3.24
1984	89	3.08
1983	117	2.02
1982	11	5.86
1981	6	6.46
1980	90	3.06
1979	15	5.66
1978	35	4.68
1977	55	3.78
1976	72	3.37
1975	74	3.33
1974	122	1.69
1973	40	4.45
1972	53	3.87
1971	26	4.94
1970	88	3.10
1969	7	6.31
1968	71	3.42
1967	36	4.65
1966	114	2.18
1965	68	3.46
1964	83	3.24
1963	25	4.98
1962	28	4.82
1961	12	5.75
1960	95	2.97
1959	80	3.30
1958	1	8.10
1957	51	4.04
1956	38	4.57
1955	78	3.31
1954	102	2.70
1953	60	3.62
1952	75	3.33
1951	27	4.87
1950	52	3.88
1949	42	4.37
1948	14	5.67
1947	118	1.98
1946	107	2.42
1945	125	1.46
1944	121	1.85
1943	97	2.94
1942	30	4.79
1941	99	2.83
1940	123	1.57
1939	64	3.53
1938	32	4.74
1937	87	3.13
1936	128	1.18
1935	67	3.47
1934	85	3.21
1933	109	2.38
1932	76	3.32
1931	100	2.82
1930	129	0.97
1929	33	4.70
1928	56	3.77
1927	70	3.43
1926	61	3.62
1925	92	3.04
1924	79	3.31
1923	113	2.20
1922	59	3.68
1921	119	1.90
1920	106	2.53
1919	120	1.86
1918	104	2.58
1917	96	2.97
1916	127	1.19
1915	4	6.73
1914	124	1.54
1913	115	2.11
1912	46	4.31
1911	111	2.35
1910	48	4.12
1909	34	4.70
1908	73	3.37
1907	9	5.94
1906	110	2.36
1905	22	5.04
1904	39	4.55
1903	57	3.70
1902	21	5.10
1901	108	2.42
1900	45	4.35
1899	63	3.54
1898	93	2.99
1897	65	3.51
1896	8	6.11
1895	17	5.44