Number of Days Below 0 °C in Cornwall by Year

This page contains a list of the number of days in each year that the low temperature fell below 0 degrees Celsius in Cornwall, Ontario, between 1867 and 2024.

Also see:

Which year had the most days below freezing?

Based on NOAA records, the year 1873 holds the Cornwall record. There were 182 days with a low temperature below 0 degrees that year.

How many days below freezing so far?

As of April 27, there have been 74 days this year where the low temperature has fallen below 0 degrees Celsius in Cornwall, Ontario.

The last time it fell below 0° C was April 26, 2024.

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

Year	Rank	Days < 0 °C
2024	93	74
2023	81	120
2022	58	131
2021	71	126
2020	65	129
2019	44	138
2018	39	139
2017	83	118
2016	56	132
2015	79	121
2014	68	127
2013	66	128
2012	85	114
2011	91	101
2010	86	113
2009	56	132
2008	68	127
2007	88	112
2006	89	106
2005	58	131
2004	48	136
2003	48	136
2002	46	137
2001	76	122
2000	68	127
1999	76	122
1998	90	104
1997	33	144
1996	51	134
1995	34	142
1994	55	133
1993	46	137
1992	39	139
1991	75	123
1990	73	125
1989	44	138
1988	83	118
1987	76	122
1986	66	128
1985	58	131
1984	71	126
1983	62	130
1982	73	125
1981	79	121
1980	31	145
1979	86	113
1978	19	154
1977	58	131
1976	28	149
1975	34	142
1974	22	153
1973	82	119
1972	15	158
1971	17	155
1970	28	149
1969	38	140
1968	48	136
1967	26	151
1966	39	139
1965	19	154
1964	37	141
1963	34	142
1962	26	151
1961	39	139
1960	39	139
1959	19	154
1958	51	134
1957	11	161
1956	2	178
1955	13	159
1954	16	156
1953	51	134
1952	7	162
1951	24	152
1950	94	49
1949	95	0
1948	95	0
1947	95	0
1946	95	0
1945	95	0
1944	95	0
1943	95	0
1942	95	0
1941	95	0
1940	95	0
1939	95	0
1938	95	0
1937	95	0
1936	95	0
1935	95	0
1934	95	0
1933	95	0
1932	95	0
1931	95	0
1930	95	0
1929	95	0
1928	95	0
1927	95	0
1926	95	0
1925	95	0
1924	95	0
1923	95	0
1922	95	0
1921	95	0
1920	95	0
1919	95	0
1918	95	0
1917	95	0
1916	95	0
1915	95	0
1914	95	0
1913	95	0
1912	95	0
1911	95	0
1910	95	0
1909	95	0
1908	95	0
1907	95	0
1906	95	0
1905	95	0
1904	95	0
1903	95	0
1902	95	0
1901	95	0
1900	95	0
1899	95	0
1898	95	0
1897	95	0
1896	95	0
1895	95	0
1894	95	0
1893	95	0
1892	95	0
1891	95	0
1890	95	0
1889	95	0
1888	95	0
1887	4	174
1886	24	152
1885	5	169
1884	17	155
1883	7	162
1882	7	162
1881	22	153
1880	6	164
1879	12	160
1878	62	130
1877	7	162
1876	95	0
1875	95	0
1874	92	87
1873	1	182
1872	3	176
1871	51	134
1870	62	130
1869	30	148
1868	31	145
1867	13	159

Weather Station Details

Years	Station	Coordinates
1950–2024	Cornwall	location
1867–1887	Cornwall	location