Ottawa August 27 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of August 27.
August 27 All-Time Records
1889–2024
Highest temperature 34.4 °C 1953
Lowest temperature 3.3 °C 1954
Lowest daily high 14.4 °C 1894
Highest daily low 21.7 °C 1948
Most precipitation 2.62 cm 2019
Most snow none -
August 27 Average Weather
1991–2020 1
Average high 24.6 °C
Average low 13.6 °C
Chance precipitation 36.9%
Chance snow 0%
Ottawa August 27 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 24.0 13.0 0.00 0.0
2022 24.0 14.5 0.00 0.0
2021 24.0 17.0 0.00 0.0
2020 17.0 9.5 0.36 0.0
2019 26.0 11.0 2.62 0.0
2018 26.0 15.0 0.00 0.0
2017 23.0 10.0 0.00 0.0
2016 27.0 16.5 0.00 0.0
2015 22.3 13.7 0.00 0.0
2014 23.4 18.0 0.00 0.0
2013 27.2 20.4 0.02 0.0
2012 24.9 19.2 0.86 0.0
2011 27.0 13.0 0.00 0.0
2010 23.3 8.3 0.00 0.0
2009 18.9 5.8 0.00 0.0
2008 25.1 6.5 0.00 0.0
2007 24.5 10.2 0.00 0.0
2006 20.5 15.2 1.94 0.0
2005 28.5 12.9 0.38 0.0
2004 29.0 20.0 0.02 0.0
2003 22.6 16.7 0.00 0.0
2002 21.0 12.0 0.00 0.0
2001 28.2 14.6 0.04 0.0
2000 24.0 15.9 0.00 0.0
1999 29.5 16.5 0.00 0.0
1998 28.2 14.8 0.00 0.0
1997 25.2 14.4 1.18 0.0
1996 22.5 11.2 0.00 0.0
1995 23.7 15.6 0.00 0.0
1994 26.7 18.3 0.36 0.0
1993 32.5 16.9 1.02 0.0
1992 22.4 17.3 0.18 0.0
1991 33.3 21.4 0.00 0.0
1990 28.6 19.0 0.10 0.0
1989 22.3 6.0 0.00 0.0
1988 23.5 10.8 0.18 0.0
1987 20.7 7.9 0.00 0.0
1986 19.5 14.5 0.00 0.0
1985 24.0 17.5 0.00 0.0
1984 25.8 13.5 0.00 0.0
1983 27.5 18.5 0.00 0.0
1982 23.0 13.5 0.22 0.0
1981 24.5 17.0 0.00 0.0
1980 26.0 20.0 0.28 0.0
1979 24.5 17.0 0.00 0.0
1978 22.0 8.0 0.04 0.0
1977 27.0 13.5 0.00 0.0
1976 28.3 17.2 0.13 0.0
1975 26.1 13.9 0.00 0.0
1974 23.3 17.2 0.61 0.0
1973 28.9 15.0 0.05 0.0
1972 27.8 17.2 0.36 0.0
1971 19.4 13.3 1.14 0.0
1970 23.3 12.2 0.00 0.0
1969 19.4 6.7 0.00 0.0
1968 19.4 10.0 0.00 0.0
1967 25.6 17.2 1.63 0.0
1966 22.2 11.1 0.00 0.0
1965 23.9 13.9 0.48 0.0
1964 23.9 10.6 0.00 0.0
1963 22.8 8.3 0.00 0.0
1962 27.2 13.9 1.85 0.0
1961 23.9 17.2 2.08 0.0
1960 27.8 17.8 0.00 0.0
1959 30.6 20.0 0.94 0.0
1958 22.8 8.3 0.00 0.0
1957 17.2 11.1 0.00 0.0
1956 23.9 6.7 0.00 0.0
1955 22.8 15.6 0.05 0.0
1954 22.2 3.3 0.00 0.0
1953 34.4 16.7 0.00 0.0
1952 31.1 15.0 0.00 0.0
1951 27.2 12.2 0.00 0.0
1950 26.7 12.8 0.51 0.0
1949 32.8 16.7 0.94 0.0
1948 34.4 21.7 0.00 0.0
1947 25.0 7.2 0.00 0.0
1946 22.8 10.0 0.00 0.0
1945 20.6 10.0 0.91 0.0
1944 25.6 6.1 0.00 0.0
1943 16.1 8.9 0.00 0.0
1942 27.2 11.1 2.06 0.0
1941 17.2 13.9 0.00 0.0
1940 22.8 6.1 0.00 0.0
1939 26.1 12.2 0.00 0.0
1938 23.3 11.1 0.00 0.0
1937 30.0 16.7 0.00 0.0
1936 21.7 8.3 0.00 0.0
1935 26.1 11.1 0.25 0.0
1934 17.8 5.0 0.00 0.0
1933 25.0 17.2 0.00 0.0
1932 27.8 21.1 0.51 0.0
1931 25.0 7.8 0.00 0.0
1930 28.9 11.7 0.00 0.0
1929 17.2 12.8 0.00 0.0
1928 26.7 9.4 0.00 0.0
1927 20.6 7.8 0.08 0.0
1926 25.6 15.0 0.36 0.0
1925 19.4 6.1 0.00 0.0
1924 26.7 17.2 0.00 0.0
1923 23.3 7.2 0.00 0.0
1922 21.1 11.1 0.00 0.0
1921 28.9 12.8 0.00 0.0
1920 30.0 13.9 0.00 0.0
1919 17.8 10.6 0.08 0.0
1918 24.4 8.3 0.00 0.0
1917 26.1 10.0 0.00 0.0
1916 21.1 13.9 0.00 0.0
1915 17.8 3.3 0.00 0.0
1914 22.2 6.1 0.00 0.0
1913 22.8 12.2 0.00 0.0
1912 18.9 11.1 0.00 0.0
1911 31.7 12.8 1.63 0.0
1910 23.3 5.6 0.00 0.0
1909 25.0 13.3 0.00 0.0
1908 23.3 8.3 0.00 0.0
1907 20.6 8.3 0.00 0.0
1906 26.7 18.3 0.41 0.0
1905 23.3 8.9 0.00 0.0
1904 25.6 6.1 0.00 0.0
1903 22.8 7.8 0.00 0.0
1902 23.3 12.8 0.00 0.0
1901 29.4 14.4 0.00 0.0
1900 30.0 18.3 0.00 0.0
1899 30.0 13.9 0.00 0.0
1898 20.6 9.4 0.00 0.0
1897 23.3 10.0 0.00 0.0
1896 20.0 9.4 0.28 0.0
1895 28.3 14.4 0.00 0.0
1894 14.4 6.7 0.18 0.0
1893 23.9 14.4 0.20 0.0
1892 20.6 12.2 0.00 0.0
1891 25.0 11.1 0.00 0.0
1890 23.9 14.4 1.02 0.0
What's the all-time high for Ottawa on 8/27?
For the date of Aug 27, the highest temperature ever reached in Ottawa history is 34.4 °C which has happened 2 times, most recently in 1953.
Highest Temperatures in Ottawa on August 27
Rank Temperature Year
1 34.4 °C 1953
1 34.4 °C 1948
3 33.3 °C 1991
4 32.8 °C 1949
5 32.5 °C 1993
6 31.7 °C 1911
7 31.1 °C 1952
8 30.6 °C 1959
9 30.0 °C 1920
9 30.0 °C 1900
9 30.0 °C 1899
9 30.0 °C 1937
What's the all-time low for Ottawa on 8/27?
For the date of Aug 27, the lowest temperature ever reached in Ottawa history is 3.3 °C which has happened 2 times, most recently in 1954.
Lowest Temperatures in Ottawa on August 27
Rank Temperature Year
1 3.3 °C 1954
1 3.3 °C 1915
3 5.0 °C 1934
4 5.6 °C 1910
5 5.8 °C 2009
6 6.0 °C 1989
7 6.1 °C 1914
7 6.1 °C 1925
7 6.1 °C 1940
7 6.1 °C 1944
7 6.1 °C 1904
Lowest High Temperatures in Ottawa on August 27
Rank Temperature Year
1 14.4 °C 1894
2 16.1 °C 1943
3 17.0 °C 2020
4 17.2 °C 1929
4 17.2 °C 1957
4 17.2 °C 1941
7 17.8 °C 1915
7 17.8 °C 1934
7 17.8 °C 1919
10 18.9 °C 1912
10 18.9 °C 2009
What's the most it has ever rained in Ottawa on 8/27?
For the date of Aug 27, the most precipitation ever recorded in Ottawa history is 2.62 cm which happened in 2019.
All-Time Most Precipitation in Ottawa on August 27
Rank Precipitation Year
1 2.62 cm 2019
2 2.08 cm 1961
3 2.06 cm 1942
4 1.94 cm 2006
5 1.85 cm 1962
6 1.63 cm 1967
6 1.63 cm 1911
8 1.18 cm 1997
9 1.14 cm 1971
10 1.02 cm 1993
10 1.02 cm 1890
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location