Lowest Temperatures in Thunder Bay by Year

Here is a list and chart of the coldest annual temperatures recorded in Thunder Bay, Ontario for each year between 1942 and 2024.

Year	Temperature
2024	-30.0 °C
2023	-32.0 °C
2022	-36.1 °C
2021	-36.6 °C
2020	-33.4 °C
2019	-37.8 °C
2018	-32.3 °C
2017	-32.7 °C
2016	-30.3 °C
2015	-37.4 °C
2014	-39.0 °C
2013	-39.6 °C
2012	-32.8 °C
2011	-37.3 °C
2010	-30.5 °C
2009	-32.6 °C
2008	-33.9 °C
2007	-32.7 °C
2006	-28.8 °C
2004	-34.9 °C
2003	-34.1 °C
2002	-26.3 °C
2001	-33.3 °C
2000	-34.9 °C
1999	-36.5 °C
1998	-31.1 °C
1996	-43.2 °C
1995	-31.2 °C
1994	-36.6 °C
1992	-32.6 °C
1991	-35.5 °C
1990	-33.6 °C
1989	-36.5 °C
1988	-36.7 °C
1987	-33.7 °C
1986	-35.7 °C
1985	-36.4 °C
1984	-34.6 °C
1983	-33.3 °C
1982	-40.4 °C
1981	-36.9 °C
1980	-31.6 °C
1979	-39.0 °C
1978	-34.0 °C
1977	-37.9 °C
1976	-37.8 °C
1975	-35.0 °C
1974	-36.7 °C
1973	-34.4 °C
1972	-37.2 °C
1971	-34.4 °C
1970	-40.0 °C
1969	-28.9 °C
1968	-38.3 °C
1967	-39.4 °C
1966	-35.0 °C
1965	-37.8 °C
1964	-32.8 °C
1963	-38.3 °C
1962	-36.7 °C
1961	-33.3 °C
1960	-32.2 °C
1959	-34.4 °C
1958	-32.8 °C
1957	-38.3 °C
1956	-33.3 °C
1955	-36.7 °C
1954	-35.0 °C
1953	-35.0 °C
1952	-32.2 °C
1951	-41.1 °C
1950	-40.6 °C
1949	-34.4 °C
1948	-38.3 °C
1947	-32.8 °C
1946	-34.4 °C
1945	-33.9 °C
1944	-33.3 °C
1943	-36.7 °C
1942	-33.9 °C

Weather Station Details

Years	Station	Coordinates
2004–2024	Thunder Bay CS	location
1941–2003	Thunder Bay A	location