Highest Temperatures in Ottawa by Year

Here is a list and chart of the hottest annual temperatures recorded in Ottawa, Ontario for each year between 1890 and 2024.
Year Temperature
2024 17.0 °C
2023 34.5 °C
2022 33.0 °C
2021 33.5 °C
2020 37.0 °C
2019 33.5 °C
2018 35.5 °C
2017 33.0 °C
2016 34.0 °C
2015 33.9 °C
2014 31.0 °C
2013 34.0 °C
2012 35.6 °C
2011 36.3 °C
2010 35.2 °C
2009 33.3 °C
2008 32.7 °C
2007 34.4 °C
2006 36.3 °C
2005 33.8 °C
2004 30.5 °C
2003 32.9 °C
2002 35.3 °C
2001 37.3 °C
2000 30.0 °C
1999 34.7 °C
1998 31.8 °C
1997 32.5 °C
1996 31.4 °C
1995 34.7 °C
1994 33.9 °C
1993 32.9 °C
1992 30.0 °C
1991 34.9 °C
1990 31.5 °C
1989 34.5 °C
1988 35.3 °C
1987 33.6 °C
1986 31.5 °C
1985 33.7 °C
1984 32.9 °C
1983 33.5 °C
1982 35.0 °C
1981 33.0 °C
1980 32.0 °C
1979 32.5 °C
1978 34.0 °C
1977 34.5 °C
1976 31.7 °C
1975 35.6 °C
1974 32.2 °C
1973 34.4 °C
1972 31.7 °C
1971 32.8 °C
1970 33.3 °C
1969 33.3 °C
1968 33.3 °C
1967 31.7 °C
1966 35.0 °C
1965 32.8 °C
1964 34.4 °C
1963 35.6 °C
1962 33.9 °C
1961 31.1 °C
1960 32.2 °C
1959 35.0 °C
1958 30.6 °C
1957 32.8 °C
1956 34.4 °C
1955 37.2 °C
1954 31.1 °C
1953 35.6 °C
1952 32.8 °C
1951 31.1 °C
1950 31.1 °C
1949 36.1 °C
1948 35.0 °C
1947 35.0 °C
1946 33.9 °C
1945 32.2 °C
1944 37.8 °C
1943 32.2 °C
1942 33.3 °C
1941 35.6 °C
1940 32.2 °C
1939 33.9 °C
1938 33.9 °C
1937 33.9 °C
1936 35.6 °C
1935 33.3 °C
1934 34.4 °C
1933 33.9 °C
1932 31.7 °C
1931 37.2 °C
1930 31.7 °C
1929 34.4 °C
1928 31.1 °C
1927 30.6 °C
1926 30.6 °C
1925 33.9 °C
1924 35.0 °C
1923 35.0 °C
1922 34.4 °C
1921 37.8 °C
1920 34.4 °C
1919 37.2 °C
1918 35.6 °C
1917 37.8 °C
1916 37.8 °C
1915 33.3 °C
1914 33.9 °C
1913 37.8 °C
1912 35.6 °C
1911 36.7 °C
1910 33.9 °C
1909 35.6 °C
1908 35.6 °C
1907 35.6 °C
1906 36.1 °C
1905 32.8 °C
1904 35.0 °C
1903 32.8 °C
1902 33.3 °C
1901 37.2 °C
1900 34.4 °C
1899 34.4 °C
1898 35.0 °C
1897 36.1 °C
1896 33.9 °C
1895 34.4 °C
1894 33.9 °C
1893 35.0 °C
1892 36.1 °C
1891 33.9 °C
1890 33.9 °C
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location