Most Yearly Precipitation in Cornwall History

This is a list of the largest annual precipitation totals ever recorded in Cornwall, Ontario history from 1867–2024.

What Was the Wettest Year in Cornwall History?

According to NOAA records, the most precipitation that Cornwall, Ontario has ever received in a single calendar year is 123.2 cm which occurred in 2017.

Year to date though April 27, 2024: 21.3 cm

Cornwall Precipitation by Year

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

Year	Rank	Precipitation (cm)
2024	92	21.3
2023	51	87.8
2022	17	103.0
2021	44	90.3
2020	63	82.5
2019	8	114.1
2018	57	85.1
2017	1	123.2
2016	61	83.1
2015	33	95.0
2014	24	99.0
2013	28	97.8
2012	34	93.5
2011	41	91.5
2010	23	100.1
2009	52	87.6
2008	15	103.4
2007	64	82.4
2006	11	113.1
2005	13	106.5
2004	69	80.6
2003	4	119.9
2002	43	90.5
2001	66	81.7
2000	2	122.7
1999	30	96.0
1998	18	102.0
1997	68	81.0
1996	10	113.4
1995	36	93.2
1994	25	98.3
1993	6	117.3
1992	37	93.1
1991	53	87.0
1990	7	116.6
1989	49	88.0
1988	58	84.1
1987	46	89.7
1986	14	104.8
1985	22	100.3
1984	78	70.5
1983	26	98.0
1982	32	95.2
1981	16	103.3
1980	45	89.9
1979	29	97.0
1978	38	92.5
1977	3	121.9
1976	21	100.7
1975	48	88.4
1974	40	92.2
1973	5	118.6
1972	12	110.9
1971	59	83.9
1970	39	92.5
1969	20	101.6
1968	27	97.9
1967	60	83.5
1966	50	88.0
1965	76	72.8
1964	88	48.9
1963	84	62.2
1962	62	82.5
1961	80	70.3
1960	86	53.2
1959	85	54.2
1958	82	68.4
1957	74	75.4
1956	55	85.2
1955	71	77.9
1954	9	113.8
1953	70	78.0
1952	31	95.4
1951	54	86.3
1950	93	5.8
1887	83	64.7
1886	67	81.2
1885	42	91.1
1884	56	85.1
1883	65	81.8
1882	75	75.0
1881	72	75.9
1880	77	72.7
1879	81	68.5
1878	35	93.3
1877	79	70.4
1876	95	0.0
1875	95	0.0
1874	91	23.9
1873	47	88.9
1872	73	75.7
1871	89	28.4
1870	90	24.4
1869	94	4.1
1868	87	51.2
1867	19	101.8