Highest Temperatures in Thunder Bay by Year

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

Year	Temperature
2024	15.9 °C
2023	32.8 °C
2022	33.9 °C
2020	34.1 °C
2019	29.5 °C
2018	32.3 °C
2017	31.8 °C
2016	32.2 °C
2015	31.6 °C
2014	33.2 °C
2013	31.8 °C
2012	32.3 °C
2011	33.4 °C
2010	31.5 °C
2009	31.6 °C
2008	32.8 °C
2007	34.2 °C
2006	34.7 °C
2005	34.1 °C
2003	32.9 °C
2002	35.7 °C
2001	35.2 °C
2000	31.3 °C
1999	34.0 °C
1998	33.7 °C
1997	31.2 °C
1996	32.4 °C
1995	39.0 °C
1994	29.9 °C
1992	32.3 °C
1991	34.6 °C
1990	30.6 °C
1989	34.3 °C
1988	35.8 °C
1987	33.2 °C
1986	35.2 °C
1985	30.0 °C
1984	31.5 °C
1983	40.3 °C
1982	30.0 °C
1981	32.8 °C
1980	34.8 °C
1979	33.8 °C
1978	31.6 °C
1977	33.6 °C
1976	33.3 °C
1975	37.2 °C
1974	35.0 °C
1973	31.7 °C
1972	32.8 °C
1971	32.8 °C
1970	34.4 °C
1969	33.9 °C
1968	31.7 °C
1967	29.4 °C
1966	34.4 °C
1965	32.2 °C
1964	33.3 °C
1963	32.2 °C
1962	30.0 °C
1961	30.6 °C
1960	31.1 °C
1959	31.1 °C
1958	33.9 °C
1957	33.3 °C
1956	35.6 °C
1955	35.0 °C
1954	32.2 °C
1953	32.8 °C
1952	30.6 °C
1951	32.2 °C
1950	30.6 °C
1949	35.6 °C
1948	31.7 °C
1947	35.0 °C
1946	30.6 °C
1945	32.8 °C
1944	31.7 °C
1943	31.1 °C
1942	33.3 °C

Weather Station Details

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