Ottawa August 5 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of August 5.
August 5 All-Time Records
1889–2024
Highest temperature 35.0 °C 1906
Lowest temperature 4.4 °C 1951
Lowest daily high 16.1 °C 1934
Highest daily low 23.3 °C 1944
Most precipitation 3.20 cm 1890
Most snow none -
August 5 Average Weather
1991–2020 1
Average high 26.4 °C
Average low 15.5 °C
Chance precipitation 37.1%
Chance snow 0%
Ottawa August 5 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 28.0 13.0 0.00 0.0
2022 29.0 18.5 0.00 0.0
2021 29.0 14.0 0.00 0.0
2020 23.0 17.5 0.10 0.0
2019 29.0 9.0 0.00 0.0
2018 31.0 18.5 0.28 0.0
2017 23.5 17.5 0.14 0.0
2016 32.5 19.5 0.00 0.0
2015 23.5 13.6 0.00 0.0
2014 23.8 14.8 0.00 0.0
2013 24.0 7.8 0.00 0.0
2012 31.5 22.2 2.41 0.0
2011 30.1 15.1 0.00 0.0
2010 29.9 20.3 0.00 0.0
2009 23.6 14.7 0.00 0.0
2008 25.8 16.9 1.52 0.0
2007 25.1 9.9 0.76 0.0
2006 24.3 14.0 0.00 0.0
2005 27.6 21.5 0.00 0.0
2004 19.0 11.6 0.00 0.0
2003 29.0 18.5 1.64 0.0
2002 27.0 18.1 0.00 0.0
2001 34.5 14.8 0.00 0.0
2000 25.6 12.3 0.00 0.0
1999 24.5 14.0 0.00 0.0
1998 30.7 15.9 0.00 0.0
1997 23.2 13.8 0.00 0.0
1996 30.3 15.5 0.00 0.0
1995 20.3 17.2 2.58 0.0
1994 18.7 10.8 0.00 0.0
1993 21.8 14.3 0.00 0.0
1992 23.0 12.8 0.00 0.0
1991 20.9 14.9 0.04 0.0
1990 22.6 19.5 2.77 0.0
1989 30.3 20.1 0.00 0.0
1988 32.6 19.5 0.00 0.0
1987 22.4 11.2 0.00 0.0
1986 25.7 14.8 0.04 0.0
1985 29.7 13.5 0.00 0.0
1984 31.7 19.2 0.00 0.0
1983 29.5 19.0 0.00 0.0
1982 24.0 15.0 0.00 0.0
1981 24.5 18.0 0.06 0.0
1980 28.5 15.0 0.00 0.0
1979 29.0 19.0 0.14 0.0
1978 26.0 11.0 0.00 0.0
1977 23.5 19.0 0.62 0.0
1976 26.1 16.1 0.79 0.0
1975 26.7 20.0 0.00 0.0
1974 22.8 15.6 0.10 0.0
1973 28.3 17.2 0.05 0.0
1972 22.8 7.8 0.00 0.0
1971 24.4 8.9 0.00 0.0
1970 25.0 10.6 0.00 0.0
1969 28.9 18.3 0.05 0.0
1968 27.8 16.1 0.28 0.0
1967 25.6 14.4 0.00 0.0
1966 27.8 12.2 0.10 0.0
1965 25.6 10.0 0.00 0.0
1964 19.4 13.9 0.00 0.0
1963 26.1 16.7 0.00 0.0
1962 26.7 18.9 0.00 0.0
1961 27.8 12.8 0.00 0.0
1960 26.1 12.8 0.00 0.0
1959 25.0 17.2 0.08 0.0
1958 26.1 8.9 0.00 0.0
1957 19.4 9.4 0.00 0.0
1956 26.7 10.6 0.00 0.0
1955 32.8 20.6 0.20 0.0
1954 22.2 14.4 0.00 0.0
1953 24.4 12.2 0.00 0.0
1952 23.3 16.1 0.00 0.0
1951 21.7 4.4 0.00 0.0
1950 26.7 15.6 0.00 0.0
1949 30.6 16.7 0.00 0.0
1948 22.2 10.0 0.00 0.0
1947 30.0 15.6 0.00 0.0
1946 26.7 13.3 0.00 0.0
1945 26.1 8.9 0.00 0.0
1944 30.6 23.3 0.00 0.0
1943 25.0 10.6 0.00 0.0
1942 21.7 6.7 0.00 0.0
1941 29.4 16.7 0.00 0.0
1940 28.3 18.3 0.10 0.0
1939 26.1 9.4 0.00 0.0
1938 28.3 16.7 0.00 0.0
1937 31.1 16.1 0.00 0.0
1936 24.4 10.6 0.00 0.0
1935 23.9 15.6 0.30 0.0
1934 16.1 7.2 0.00 0.0
1933 22.2 12.2 0.00 0.0
1932 30.0 13.3 0.00 0.0
1931 32.8 15.6 0.00 0.0
1930 28.9 15.6 0.00 0.0
1929 18.9 11.1 0.00 0.0
1928 20.0 17.2 2.16 0.0
1927 23.9 13.3 0.23 0.0
1926 23.9 8.9 0.00 0.0
1925 29.4 12.2 0.00 0.0
1924 29.4 10.6 0.03 0.0
1923 27.8 17.2 0.00 0.0
1922 22.2 11.7 0.00 0.0
1921 30.6 10.6 0.00 0.0
1920 29.4 11.7 0.00 0.0
1919 28.9 15.0 0.00 0.0
1918 32.2 17.2 0.00 0.0
1917 28.3 10.0 0.00 0.0
1916 34.4 20.6 0.00 0.0
1915 21.7 11.7 0.05 0.0
1914 28.9 9.4 0.00 0.0
1913 27.8 8.9 0.00 0.0
1912 20.0 8.9 0.00 0.0
1911 32.2 20.0 0.00 0.0
1910 21.1 11.1 0.05 0.0
1909 30.6 13.3 0.00 0.0
1908 26.1 19.4 1.65 0.0
1907 26.7 4.4 0.00 0.0
1906 35.0 16.7 1.22 0.0
1905 28.9 13.3 0.00 0.0
1904 28.9 14.4 0.00 0.0
1903 20.6 12.8 0.23 0.0
1902 25.0 10.0 0.00 0.0
1901 27.8 9.4 0.00 0.0
1900 27.8 13.9 0.56 0.0
1899 27.2 17.2 0.00 0.0
1898 26.1 13.3 0.10 0.0
1897 25.6 12.2 0.00 0.0
1896 25.6 15.6 0.94 0.0
1895 27.2 11.7 0.00 0.0
1894 26.1 9.4 0.00 0.0
1893 31.7 14.4 1.22 0.0
1892 29.4 12.2 0.69 0.0
1891 28.3 14.4 0.08 0.0
1890 26.1 21.1 3.20 0.0
What's the all-time high for Ottawa on 8/5?
For the date of Aug 5, the highest temperature ever reached in Ottawa history is 35.0 °C which happened in 1906.
Highest Temperatures in Ottawa on August 5
Rank Temperature Year
1 35.0 °C 1906
2 34.5 °C 2001
3 34.4 °C 1916
4 32.8 °C 1955
4 32.8 °C 1931
6 32.6 °C 1988
7 32.5 °C 2016
8 32.2 °C 1911
8 32.2 °C 1918
10 31.7 °C 1893
10 31.7 °C 1984
What's the all-time low for Ottawa on 8/5?
For the date of Aug 5, the lowest temperature ever reached in Ottawa history is 4.4 °C which has happened 2 times, most recently in 1951.
Lowest Temperatures in Ottawa on August 5
Rank Temperature Year
1 4.4 °C 1907
1 4.4 °C 1951
3 6.7 °C 1942
4 7.2 °C 1934
5 7.8 °C 2013
5 7.8 °C 1972
7 8.9 °C 1913
7 8.9 °C 1945
7 8.9 °C 1958
7 8.9 °C 1971
7 8.9 °C 1926
7 8.9 °C 1912
Lowest High Temperatures in Ottawa on August 5
Rank Temperature Year
1 16.1 °C 1934
2 18.7 °C 1994
3 18.9 °C 1929
4 19.0 °C 2004
5 19.4 °C 1957
5 19.4 °C 1964
7 20.0 °C 1912
7 20.0 °C 1928
9 20.3 °C 1995
10 20.6 °C 1903
What's the most it has ever rained in Ottawa on 8/5?
For the date of Aug 5, the most precipitation ever recorded in Ottawa history is 3.20 cm which happened in 1890.
All-Time Most Precipitation in Ottawa on August 5
Rank Precipitation Year
1 3.20 cm 1890
2 2.77 cm 1990
3 2.58 cm 1995
4 2.41 cm 2012
5 2.16 cm 1928
6 1.65 cm 1908
7 1.64 cm 2003
8 1.52 cm 2008
9 1.22 cm 1893
9 1.22 cm 1906
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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