Ottawa ON Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in Ottawa, Ontario Canada. How hot did it get in 2019? When was the last time thermometers in Ottawa rose above 35 °C? What was the highest temperature in Ottawa a century ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in Ottawa and the date that it happened. A date with a plus sign means it was that hot on at least one other day earlier that year.

These records were observed near downtown Ottawa and go back to 1890. The highest temperature measured during that time was 38 degrees Celsius (100 Fahrenheit) on August 14, 1944; July 13, 1921; August 1, 1917; July 30, 1916 and July 4, 1913.

Highest Ottawa temperatures in recent years
Max °F	Date	Max °C
94	June 01, 2023	34
91	August 06, 2022 +	33
92	June 07, 2021	33
98	July 10, 2020	37
92	July 20, 2019	33
96	July 02, 2018	36
91	September 25, 2017	33
93	August 11, 2016 +	34
93	July 29, 2015	34
88	July 01, 2014	31
93	July 17, 2013	34
96	August 04, 2012	36
97	July 21, 2011	36
95	May 26, 2010	35

Highest temperature recorded at Ottawa each year
Max °F	Date	Max °C
92	June 25, 2009	33
91	June 08, 2008	33
94	June 26, 2007	34
97	August 01, 2006	36
93	August 04, 2005	34
87	June 08, 2004	31
91	June 26, 2003	33
96	September 09, 2002	36
99	August 09, 2001	37
86	August 31, 2000	30
94	June 07, 1999	34
89	June 21, 1998	32
90	August 10, 1997 +	32
89	August 07, 1996	32
94	July 14, 1995	34
93	June 18, 1994 +	34
91	August 26, 1993	33
86	August 26, 1992 +	30
95	July 20, 1991	35
89	July 29, 1990	32
94	July 26, 1989	34
96	June 14, 1988	36
92	July 12, 1987	33
89	July 25, 1986	32
93	August 14, 1985	34
91	August 02, 1984	33
92	September 05, 1983	33
95	July 18, 1982	35
91	July 08, 1981	33
90	June 25, 1980	32
90	July 22, 1979 +	32
93	July 20, 1978	34
94	July 20, 1977	34
89	August 21, 1976 +	32
96	August 01, 1975	36
90	July 14, 1974 +	32
94	July 08, 1973	34
89	July 12, 1972	32
91	June 30, 1971	33
92	August 15, 1970	33
92	July 15, 1969	33
92	July 16, 1968 +	33
89	June 04, 1967	32
95	July 03, 1966 +	35
91	June 28, 1965	33
94	June 30, 1964	34
96	July 01, 1963	36
93	July 08, 1962	34
88	September 11, 1961 +	31
90	September 08, 1960	32
95	June 29, 1959	35
87	August 06, 1958 +	31
91	June 18, 1957	33
94	June 14, 1956	34
99	August 01, 1955	37
88	August 25, 1954	31
96	August 30, 1953	36
91	July 14, 1952 +	33
88	July 25, 1951	31
88	July 13, 1950 +	31
97	August 08, 1949	36
95	August 25, 1948	35
95	August 14, 1947	35
93	July 19, 1946	34
–	1945	–
100	August 14, 1944	38
90	July 11, 1943 +	32
92	July 19, 1942	33
96	June 27, 1941	36
90	August 18, 1940	32
93	July 26, 1939	34
93	August 15, 1938	34
93	July 07, 1937	34
96	July 10, 1936	36
92	August 18, 1935	33
94	June 05, 1934	34
93	June 28, 1933 +	34
89	August 26, 1932 +	32
99	July 02, 1931	37
89	July 19, 1930 +	32
94	September 03, 1929	34
88	August 16, 1928 +	31
87	June 30, 1927	31
87	July 20, 1926	31
93	June 07, 1925 +	34
95	July 09, 1924	35
95	June 20, 1923	35
94	August 16, 1922 +	34
100	July 13, 1921	38
94	August 08, 1920	34
99	July 04, 1919	37
96	July 22, 1918	36
100	August 01, 1917	38
100	July 30, 1916	38
92	July 31, 1915	33
93	May 27, 1914	34
100	July 04, 1913	38
96	July 09, 1912 +	36
98	August 01, 1911 +	37
93	July 09, 1910	34
96	August 25, 1909	36
96	September 01, 1908 +	36
96	June 18, 1907	36
97	August 19, 1906	36
91	July 18, 1905	33
95	July 19, 1904	35
91	May 19, 1903	33
92	July 08, 1902	33
99	July 16, 1901	37
94	September 02, 1900	34
–	1899	–
95	July 03, 1898	35
97	July 08, 1897 +	36
93	July 02, 1896	34
94	May 30, 1895	34
93	July 20, 1894	34
95	August 10, 1893	35
97	July 29, 1892	36
93	June 16, 1891	34
93	August 03, 1890	34

Ottawa - Highest Temperature for Each Year

Reference

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