Lowest Temperatures in Cornwall by Year

Here is a list and chart of the coldest annual temperatures recorded in Cornwall, Ontario for each year between 1872 and 2024.

Year	Temperature
2024	-17.0 °C
2023	-33.0 °C
2022	-29.0 °C
2021	-21.0 °C
2020	-25.0 °C
2019	-23.0 °C
2018	-27.0 °C
2017	-25.0 °C
2016	-28.0 °C
2015	-26.0 °C
2014	-29.0 °C
2013	-28.0 °C
2012	-23.0 °C
2010	-22.0 °C
2009	-26.5 °C
2008	-24.0 °C
2006	-19.0 °C
2005	-28.0 °C
2004	-28.0 °C
2003	-27.0 °C
2002	-19.5 °C
2001	-21.0 °C
2000	-26.0 °C
1999	-28.5 °C
1998	-24.0 °C
1997	-31.0 °C
1996	-26.0 °C
1995	-28.0 °C
1994	-32.0 °C
1993	-31.0 °C
1992	-27.5 °C
1991	-25.0 °C
1990	-21.5 °C
1989	-26.5 °C
1988	-28.0 °C
1987	-27.5 °C
1986	-25.0 °C
1985	-25.0 °C
1984	-28.0 °C
1983	-26.0 °C
1982	-28.0 °C
1981	-35.0 °C
1980	-30.0 °C
1979	-29.0 °C
1978	-26.0 °C
1977	-27.2 °C
1976	-31.7 °C
1975	-28.9 °C
1974	-28.9 °C
1973	-29.4 °C
1972	-29.4 °C
1971	-30.6 °C
1970	-27.2 °C
1969	-23.9 °C
1968	-31.1 °C
1967	-29.4 °C
1966	-30.0 °C
1965	-29.4 °C
1964	-24.4 °C
1963	-28.3 °C
1962	-31.1 °C
1961	-26.7 °C
1960	-26.1 °C
1959	-32.2 °C
1958	-30.0 °C
1957	-43.3 °C
1956	-31.1 °C
1955	-33.3 °C
1954	-33.9 °C
1953	-25.6 °C
1952	-29.4 °C
1951	-35.6 °C
1887	-34.4 °C
1886	-31.7 °C
1885	-33.9 °C
1884	-35.0 °C
1883	-32.2 °C
1882	-33.9 °C
1881	-30.0 °C
1880	-25.6 °C
1879	-34.4 °C
1878	-34.4 °C
1877	-29.4 °C
1873	-30.0 °C
1872	-33.9 °C

Weather Station Details

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