Ottawa August 9 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of August 9.
August 9 All-Time Records
1889–2024
Highest temperature 37.3 °C 2001
Lowest temperature 5.6 °C 1919
Lowest daily high 15.0 °C 1931
Highest daily low 24.8 °C 2001
Most precipitation 4.27 cm 1946
Most snow none -
August 9 Average Weather
1991–2020 1
Average high 26.2 °C
Average low 15.2 °C
Chance precipitation 37.7%
Chance snow 0%
Ottawa August 9 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 28.0 16.5 0.00 0.0
2022 21.0 15.0 0.20 0.0
2021 31.5 19.5 0.00 0.0
2020 23.0 19.0 0.12 0.0
2019 25.0 14.5 0.00 0.0
2018 26.5 19.5 0.00 0.0
2017 24.0 15.5 0.00 0.0
2016 32.0 13.5 0.00 0.0
2015 26.9 12.0 0.00 0.0
2014 28.5 14.0 0.00 0.0
2013 26.8 18.4 0.00 0.0
2012 22.2 18.3 0.99 0.0
2011 24.0 12.2 0.68 0.0
2010 27.6 17.3 0.00 0.0
2009 23.8 15.0 0.12 0.0
2008 24.5 13.2 0.40 0.0
2007 22.7 13.4 0.00 0.0
2006 26.6 11.0 0.00 0.0
2005 32.6 17.5 0.00 0.0
2004 28.4 11.3 0.00 0.0
2003 26.7 19.7 0.22 0.0
2002 27.4 11.7 0.00 0.0
2001 37.3 24.8 0.00 0.0
2000 24.8 19.1 0.04 0.0
1999 19.7 10.5 0.00 0.0
1998 31.1 18.2 0.33 0.0
1997 31.3 14.3 0.00 0.0
1996 26.3 18.0 0.00 0.0
1995 27.8 11.9 0.00 0.0
1994 23.8 17.4 0.00 0.0
1993 27.4 12.2 0.00 0.0
1992 24.5 15.7 0.02 0.0
1991 22.4 16.1 0.82 0.0
1990 27.0 13.6 0.00 0.0
1989 24.9 8.3 0.00 0.0
1988 28.1 21.2 0.27 0.0
1987 22.8 11.4 0.00 0.0
1986 24.3 16.3 0.12 0.0
1985 32.1 14.7 0.00 0.0
1984 29.0 19.3 0.00 0.0
1983 19.5 13.0 0.00 0.0
1982 29.5 18.0 0.00 0.0
1981 23.5 16.0 0.06 0.0
1980 24.5 20.0 0.00 0.0
1979 21.5 9.0 0.74 0.0
1978 26.5 19.5 0.00 0.0
1977 24.0 14.0 0.12 0.0
1976 22.2 16.1 0.00 0.0
1975 30.6 11.7 0.00 0.0
1974 22.2 14.4 0.00 0.0
1973 31.7 20.0 0.03 0.0
1972 22.2 13.3 0.20 0.0
1971 30.0 18.9 0.56 0.0
1970 30.0 20.0 0.00 0.0
1969 24.4 17.2 0.23 0.0
1968 26.7 15.6 0.00 0.0
1967 22.8 18.3 0.18 0.0
1966 31.7 18.9 0.36 0.0
1965 28.9 18.9 1.04 0.0
1964 18.9 9.4 0.00 0.0
1963 23.9 12.2 0.15 0.0
1962 17.8 13.3 0.00 0.0
1961 28.3 15.6 0.00 0.0
1960 21.7 6.1 0.00 0.0
1959 30.0 16.7 3.53 0.0
1958 25.0 14.4 0.79 0.0
1957 30.6 20.6 0.00 0.0
1956 29.4 14.4 0.00 0.0
1955 26.7 8.9 0.00 0.0
1954 25.0 12.8 0.00 0.0
1953 25.6 14.4 0.00 0.0
1952 28.9 16.7 0.91 0.0
1951 27.8 12.8 1.22 0.0
1950 27.8 14.4 0.00 0.0
1949 35.6 22.8 0.00 0.0
1948 25.0 10.0 0.00 0.0
1947 26.7 15.6 0.00 0.0
1946 31.7 18.3 4.27 0.0
1945 28.9 12.2 0.00 0.0
1944 32.2 9.4 0.00 0.0
1943 23.3 8.9 0.00 0.0
1942 18.3 13.3 0.36 0.0
1941 28.3 16.1 0.00 0.0
1940 30.0 11.7 0.00 0.0
1939 27.8 19.4 0.00 0.0
1938 26.1 15.6 0.00 0.0
1937 30.0 17.8 0.10 0.0
1936 31.1 11.7 0.00 0.0
1935 28.3 11.1 0.00 0.0
1934 31.7 20.6 0.00 0.0
1933 24.4 7.8 0.00 0.0
1932 25.0 13.3 0.28 0.0
1931 15.0 13.3 0.15 0.0
1930 28.3 15.6 0.00 0.0
1929 27.8 9.4 0.00 0.0
1928 26.7 17.2 0.00 0.0
1927 25.0 14.4 0.00 0.0
1926 25.6 12.2 0.00 0.0
1925 26.7 17.2 0.00 0.0
1924 22.2 12.2 2.54 0.0
1923 27.2 10.0 0.00 0.0
1922 23.9 6.7 0.00 0.0
1921 24.4 11.7 0.00 0.0
1920 33.3 18.3 0.00 0.0
1919 23.9 5.6 0.00 0.0
1918 25.6 14.4 1.09 0.0
1917 23.9 18.3 1.17 0.0
1916 20.6 15.6 0.13 0.0
1915 23.3 15.0 0.00 0.0
1914 30.0 11.1 0.00 0.0
1913 28.3 20.0 0.94 0.0
1912 24.4 15.6 0.51 0.0
1911 30.0 16.7 0.00 0.0
1910 30.0 12.2 0.00 0.0
1909 31.7 20.0 0.03 0.0
1908 26.7 13.3 0.00 0.0
1907 31.1 8.9 0.00 0.0
1906 32.8 13.9 0.00 0.0
1905 28.3 10.6 0.00 0.0
1904 25.6 7.2 0.00 0.0
1903 22.8 10.0 0.28 0.0
1902 21.7 11.1 0.00 0.0
1901 21.7 15.6 0.15 0.0
1900 31.1 19.4 0.00 0.0
1899 23.3 8.3 0.00 0.0
1898 24.4 16.1 0.53 0.0
1897 29.4 13.9 0.00 0.0
1896 30.0 21.1 0.28 0.0
1895 27.8 14.4 0.00 0.0
1894 22.8 12.2 0.00 0.0
1893 33.3 14.4 0.00 0.0
1892 27.2 19.4 0.46 0.0
1891 25.6 16.1 0.00 0.0
1890 27.8 16.7 0.00 0.0
What's the all-time high for Ottawa on 8/9?
For the date of Aug 9, the highest temperature ever reached in Ottawa history is 37.3 °C which happened in 2001.
Highest Temperatures in Ottawa on August 9
Rank Temperature Year
1 37.3 °C 2001
2 35.6 °C 1949
3 33.3 °C 1893
3 33.3 °C 1920
5 32.8 °C 1906
6 32.6 °C 2005
7 32.2 °C 1944
8 32.1 °C 1985
9 32.0 °C 2016
10 31.7 °C 1973
10 31.7 °C 1946
10 31.7 °C 1934
10 31.7 °C 1909
10 31.7 °C 1966
What's the all-time low for Ottawa on 8/9?
For the date of Aug 9, the lowest temperature ever reached in Ottawa history is 5.6 °C which happened in 1919.
Lowest Temperatures in Ottawa on August 9
Rank Temperature Year
1 5.6 °C 1919
2 6.1 °C 1960
3 6.7 °C 1922
4 7.2 °C 1904
5 7.8 °C 1933
6 8.3 °C 1989
6 8.3 °C 1899
8 8.9 °C 1907
8 8.9 °C 1955
8 8.9 °C 1943
Lowest High Temperatures in Ottawa on August 9
Rank Temperature Year
1 15.0 °C 1931
2 17.8 °C 1962
3 18.3 °C 1942
4 18.9 °C 1964
5 19.5 °C 1983
6 19.7 °C 1999
7 20.6 °C 1916
8 21.0 °C 2022
9 21.5 °C 1979
10 21.7 °C 1902
10 21.7 °C 1960
10 21.7 °C 1901
What's the most it has ever rained in Ottawa on 8/9?
For the date of Aug 9, the most precipitation ever recorded in Ottawa history is 4.27 cm which happened in 1946.
All-Time Most Precipitation in Ottawa on August 9
Rank Precipitation Year
1 4.27 cm 1946
2 3.53 cm 1959
3 2.54 cm 1924
4 1.22 cm 1951
5 1.17 cm 1917
6 1.09 cm 1918
7 1.04 cm 1965
8 0.99 cm 2012
9 0.94 cm 1913
10 0.91 cm 1952
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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