Ottawa August 29 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of August 29.
August 29 All-Time Records
1889–2024
Highest temperature 34.4 °C 1953
Lowest temperature 4.4 °C 1986
Lowest daily high 12.8 °C 1965
Highest daily low 22.8 °C 1948
Most precipitation 5.00 cm 1893
Most snow none -
August 29 Average Weather
1991–2020 1
Average high 24.3 °C
Average low 13.3 °C
Chance precipitation 36.9%
Chance snow 0%
Ottawa August 29 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 26.0 9.5 0.40 0.0
2022 31.0 15.0 0.24 0.0
2021 26.0 16.0 0.92 0.0
2020 16.0 14.0 0.50 0.0
2019 24.0 13.5 0.48 0.0
2018 29.5 18.5 0.04 0.0
2017 24.5 13.5 0.00 0.0
2016 24.5 16.0 0.00 0.0
2015 23.3 11.5 0.13 0.0
2014 23.0 9.2 0.00 0.0
2013 27.5 17.4 0.00 0.0
2012 24.5 8.1 0.00 0.0
2011 23.9 12.2 0.00 0.0
2010 30.5 14.2 0.00 0.0
2009 16.2 11.3 2.30 0.0
2008 20.5 14.2 0.43 0.0
2007 31.5 16.0 2.86 0.0
2006 25.9 14.8 0.00 0.0
2005 30.5 15.5 0.00 0.0
2004 20.0 17.5 1.64 0.0
2003 25.6 10.9 1.46 0.0
2002 25.6 9.8 0.00 0.0
2001 21.0 11.0 0.00 0.0
2000 27.7 11.8 0.00 0.0
1999 19.7 14.3 0.00 0.0
1998 25.6 18.7 0.46 0.0
1997 23.7 13.4 0.06 0.0
1996 25.3 12.8 0.00 0.0
1995 26.1 15.9 0.00 0.0
1994 20.9 13.0 0.00 0.0
1993 23.8 11.0 0.00 0.0
1992 18.9 15.5 0.10 0.0
1991 32.1 15.0 0.00 0.0
1990 23.8 14.5 0.00 0.0
1989 23.8 14.9 0.00 0.0
1988 16.6 12.6 0.00 0.0
1987 22.2 13.9 0.02 0.0
1986 18.9 4.4 0.00 0.0
1985 17.5 9.8 0.16 0.0
1984 26.9 19.0 2.74 0.0
1983 29.0 15.0 0.00 0.0
1982 18.0 6.0 0.02 0.0
1981 20.0 13.5 0.00 0.0
1980 23.5 10.5 0.00 0.0
1979 25.0 18.5 0.00 0.0
1978 23.5 14.0 0.02 0.0
1977 31.5 21.5 0.80 0.0
1976 18.9 15.6 0.13 0.0
1975 16.7 14.4 0.53 0.0
1974 23.3 13.3 0.00 0.0
1973 33.3 18.3 0.00 0.0
1972 24.4 13.9 0.00 0.0
1971 23.9 14.4 0.00 0.0
1970 20.6 14.4 0.00 0.0
1969 25.0 17.8 0.00 0.0
1968 22.8 8.9 0.00 0.0
1967 27.2 15.0 0.66 0.0
1966 28.3 9.4 0.00 0.0
1965 12.8 5.0 0.08 0.0
1964 28.9 18.9 0.00 0.0
1963 22.8 14.4 0.18 0.0
1962 29.4 15.0 0.00 0.0
1961 23.9 15.6 0.18 0.0
1960 30.6 18.3 1.14 0.0
1959 30.0 20.0 0.00 0.0
1958 26.1 10.6 0.00 0.0
1957 22.2 6.7 0.00 0.0
1956 18.9 12.8 0.00 0.0
1955 25.0 5.0 0.00 0.0
1954 17.8 8.3 0.03 0.0
1953 34.4 22.2 0.00 0.0
1952 28.9 17.2 0.00 0.0
1951 30.0 13.9 0.00 0.0
1950 13.3 11.7 1.27 0.0
1949 17.8 15.6 1.04 0.0
1948 27.2 22.8 0.00 0.0
1947 22.2 10.0 0.08 0.0
1946 15.6 9.4 0.00 0.0
1945 27.8 16.1 0.00 0.0
1944 20.6 14.4 0.76 0.0
1943 22.8 7.2 0.00 0.0
1942 25.0 17.2 0.00 0.0
1941 22.8 4.4 0.00 0.0
1940 26.7 11.7 0.00 0.0
1939 28.3 12.2 0.00 0.0
1938 28.3 8.3 1.17 0.0
1937 30.0 8.9 0.00 0.0
1936 25.6 12.8 0.00 0.0
1935 20.0 8.3 0.00 0.0
1934 17.8 8.9 0.00 0.0
1933 24.4 9.4 0.00 0.0
1932 25.0 15.0 0.00 0.0
1931 26.7 18.9 0.00 0.0
1930 27.2 16.1 0.05 0.0
1929 17.2 9.4 0.00 0.0
1928 26.7 16.7 0.00 0.0
1927 22.2 15.6 1.88 0.0
1926 25.0 17.8 0.00 0.0
1925 27.2 6.1 0.00 0.0
1924 27.8 12.2 0.00 0.0
1923 22.8 15.0 0.00 0.0
1922 21.1 10.6 0.00 0.0
1921 30.6 17.8 0.25 0.0
1920 23.3 16.7 0.36 0.0
1919 24.4 11.7 0.00 0.0
1918 25.6 15.6 0.18 0.0
1917 21.7 11.1 0.00 0.0
1916 27.2 6.7 0.00 0.0
1915 16.1 11.7 0.23 0.0
1914 18.9 12.8 1.02 0.0
1913 25.6 13.9 0.15 0.0
1912 16.1 8.9 0.00 0.0
1911 20.0 10.6 0.00 0.0
1910 22.2 10.6 0.00 0.0
1909 22.2 13.3 1.52 0.0
1908 28.3 6.7 0.00 0.0
1907 20.6 7.8 0.00 0.0
1906 27.8 9.4 0.00 0.0
1905 24.4 11.1 0.71 0.0
1904 21.7 13.3 0.00 0.0
1903 18.9 12.8 0.00 0.0
1902 27.8 10.6 0.00 0.0
1901 30.0 15.6 0.00 0.0
1900 30.0 17.2 0.00 0.0
1899 32.2 15.6 0.00 0.0
1898 27.2 12.8 0.15 0.0
1897 27.2 10.0 0.00 0.0
1896 23.9 5.0 0.00 0.0
1895 23.9 13.9 0.00 0.0
1894 18.9 6.7 0.00 0.0
1893 18.9 11.7 5.00 0.0
1892 28.3 11.1 0.00 0.0
1891 19.4 9.4 0.00 0.0
1890 18.9 7.8 0.91 0.0
What's the all-time high for Ottawa on 8/29?
For the date of Aug 29, the highest temperature ever reached in Ottawa history is 34.4 °C which happened in 1953.
Highest Temperatures in Ottawa on August 29
Rank Temperature Year
1 34.4 °C 1953
2 33.3 °C 1973
3 32.2 °C 1899
4 32.1 °C 1991
5 31.5 °C 1977
5 31.5 °C 2007
7 31.0 °C 2022
8 30.6 °C 1921
8 30.6 °C 1960
10 30.5 °C 2005
10 30.5 °C 2010
What's the all-time low for Ottawa on 8/29?
For the date of Aug 29, the lowest temperature ever reached in Ottawa history is 4.4 °C which has happened 2 times, most recently in 1986.
Lowest Temperatures in Ottawa on August 29
Rank Temperature Year
1 4.4 °C 1941
1 4.4 °C 1986
3 5.0 °C 1896
3 5.0 °C 1955
3 5.0 °C 1965
6 6.0 °C 1982
7 6.1 °C 1925
8 6.7 °C 1894
8 6.7 °C 1957
8 6.7 °C 1916
8 6.7 °C 1908
Lowest High Temperatures in Ottawa on August 29
Rank Temperature Year
1 12.8 °C 1965
2 13.3 °C 1950
3 15.6 °C 1946
4 16.0 °C 2020
5 16.1 °C 1912
5 16.1 °C 1915
7 16.2 °C 2009
8 16.6 °C 1988
9 16.7 °C 1975
10 17.2 °C 1929
What's the most it has ever rained in Ottawa on 8/29?
For the date of Aug 29, the most precipitation ever recorded in Ottawa history is 5.00 cm which happened in 1893.
All-Time Most Precipitation in Ottawa on August 29
Rank Precipitation Year
1 5.00 cm 1893
2 2.86 cm 2007
3 2.74 cm 1984
4 2.30 cm 2009
5 1.88 cm 1927
6 1.64 cm 2004
7 1.52 cm 1909
8 1.46 cm 2003
9 1.27 cm 1950
10 1.17 cm 1938
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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