Ottawa - Highest Temperature for 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 2017? 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
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
Reference

Environment and Climate Change Canada. Historical Climate Data. Historical Data

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Ottawa - Extremes
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