Ottawa August 19 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of August 19.
August 19 All-Time Records
1889–2024
Highest temperature 36.1 °C 1916
Lowest temperature 3.9 °C 1907
Lowest daily high 16.7 °C 1890
Highest daily low 21.7 °C 1947
Most precipitation 3.78 cm 1937
Most snow none -
August 19 Average Weather
1991–2020 1
Average high 25.4 °C
Average low 14.4 °C
Chance precipitation 35.6%
Chance snow 0%
Ottawa August 19 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 24.0 13.0 0.00 0.0
2022 29.5 17.0 0.00 0.0
2021 29.0 19.0 0.00 0.0
2020 21.0 12.5 0.00 0.0
2019 28.5 17.5 0.00 0.0
2018 27.0 12.5 0.00 0.0
2017 23.5 19.0 0.00 0.0
2016 29.0 13.0 0.00 0.0
2015 29.5 19.0 0.00 0.0
2014 22.9 8.1 0.00 0.0
2013 27.5 16.2 0.00 0.0
2012 24.4 10.4 0.05 0.0
2011 28.7 14.6 0.00 0.0
2010 26.7 11.2 0.50 0.0
2009 26.2 18.8 0.00 0.0
2008 19.6 10.0 0.00 0.0
2007 21.0 9.8 0.00 0.0
2006 29.3 18.0 1.38 0.0
2005 20.3 12.3 1.70 0.0
2004 23.2 16.4 0.06 0.0
2003 28.7 16.8 0.00 0.0
2002 23.4 13.3 0.30 0.0
2001 26.1 15.7 0.08 0.0
2000 18.6 12.8 0.00 0.0
1999 26.3 13.4 0.00 0.0
1998 22.5 8.6 0.00 0.0
1997 24.5 9.9 0.00 0.0
1996 25.5 11.0 0.00 0.0
1995 26.8 15.7 0.00 0.0
1994 27.1 14.5 0.00 0.0
1993 27.5 14.1 0.00 0.0
1992 18.7 14.2 0.08 0.0
1991 22.6 16.3 0.00 0.0
1990 20.6 11.2 0.00 0.0
1989 27.2 9.8 0.62 0.0
1988 22.5 8.8 0.00 0.0
1987 26.3 15.3 0.00 0.0
1986 24.3 13.6 0.00 0.0
1985 26.2 16.5 0.28 0.0
1984 21.5 15.4 0.00 0.0
1983 30.0 17.5 0.00 0.0
1982 26.0 12.0 0.06 0.0
1981 26.0 9.5 0.00 0.0
1980 26.5 18.5 0.00 0.0
1979 22.5 14.5 0.12 0.0
1978 27.0 14.5 1.04 0.0
1977 20.5 7.0 0.28 0.0
1976 27.8 11.1 0.08 0.0
1975 22.8 8.3 0.00 0.0
1974 26.7 15.6 0.00 0.0
1973 27.8 16.7 0.00 0.0
1972 23.9 13.9 0.00 0.0
1971 30.6 13.3 0.23 0.0
1970 23.9 8.3 0.56 0.0
1969 21.1 17.8 0.00 0.0
1968 22.2 7.8 0.89 0.0
1967 21.1 13.3 0.00 0.0
1966 22.8 15.0 0.00 0.0
1965 23.9 17.8 0.05 0.0
1964 20.0 10.0 0.00 0.0
1963 21.7 7.8 0.00 0.0
1962 21.1 8.3 0.20 0.0
1961 28.3 12.8 0.00 0.0
1960 31.1 12.2 0.00 0.0
1959 25.6 12.8 0.00 0.0
1958 22.8 9.4 0.00 0.0
1957 27.2 7.8 0.00 0.0
1956 21.7 16.7 0.00 0.0
1955 33.9 18.3 0.00 0.0
1954 27.8 10.6 0.00 0.0
1953 19.4 8.3 0.00 0.0
1952 25.0 10.0 0.00 0.0
1951 25.0 8.3 0.58 0.0
1950 17.2 12.2 0.64 0.0
1949 19.4 10.0 0.00 0.0
1948 24.4 17.2 0.00 0.0
1947 30.0 21.7 0.00 0.0
1946 23.3 14.4 1.57 0.0
1945 25.6 15.6 0.00 0.0
1944 22.8 10.0 0.00 0.0
1943 23.9 8.9 0.89 0.0
1942 25.6 12.8 0.00 0.0
1941 21.7 9.4 0.69 0.0
1940 19.4 16.1 0.00 0.0
1939 28.9 15.0 0.00 0.0
1938 29.4 12.2 0.00 0.0
1937 29.4 12.8 3.78 0.0
1936 30.6 12.2 0.00 0.0
1935 31.1 16.7 0.00 0.0
1934 32.2 15.0 0.43 0.0
1933 22.2 12.2 0.00 0.0
1932 25.0 11.1 0.00 0.0
1931 27.2 15.6 0.13 0.0
1930 20.0 12.8 0.00 0.0
1929 20.0 7.8 0.00 0.0
1928 23.9 12.8 0.00 0.0
1927 21.1 11.7 0.00 0.0
1926 21.1 10.6 0.00 0.0
1925 31.7 15.6 0.36 0.0
1924 22.2 8.9 0.00 0.0
1923 23.9 11.7 0.10 0.0
1922 26.1 15.6 0.00 0.0
1921 21.7 8.3 0.00 0.0
1920 24.4 10.6 0.00 0.0
1919 23.9 15.0 0.25 0.0
1918 24.4 6.7 0.00 0.0
1917 24.4 16.1 1.45 0.0
1916 36.1 17.8 0.00 0.0
1915 23.9 11.1 0.00 0.0
1914 27.8 15.0 0.00 0.0
1913 25.6 12.8 0.00 0.0
1912 22.8 15.0 0.00 0.0
1911 22.2 11.7 0.00 0.0
1910 21.7 10.0 0.25 0.0
1909 27.2 16.1 0.00 0.0
1908 22.8 11.7 0.30 0.0
1907 27.8 3.9 0.00 0.0
1906 36.1 16.1 0.00 0.0
1905 25.6 11.7 0.00 0.0
1904 25.0 6.7 0.00 0.0
1903 23.3 16.7 0.10 0.0
1902 24.4 11.7 0.00 0.0
1901 27.8 11.7 0.00 0.0
1900 23.3 11.1 0.00 0.0
1899 34.4 15.0 0.00 0.0
1898 22.2 11.7 0.00 0.0
1897 19.4 12.8 0.41 0.0
1896 18.9 8.3 0.00 0.0
1895 22.2 11.1 0.00 0.0
1894 25.0 11.7 0.00 0.0
1893 23.3 14.4 0.00 0.0
1892 28.3 17.2 0.00 0.0
1891 23.3 11.7 0.00 0.0
1890 16.7 11.1 0.10 0.0
What's the all-time high for Ottawa on 8/19?
For the date of Aug 19, the highest temperature ever reached in Ottawa history is 36.1 °C which has happened 2 times, most recently in 1916.
Highest Temperatures in Ottawa on August 19
Rank Temperature Year
1 36.1 °C 1906
1 36.1 °C 1916
3 34.4 °C 1899
4 33.9 °C 1955
5 32.2 °C 1934
6 31.7 °C 1925
7 31.1 °C 1960
7 31.1 °C 1935
9 30.6 °C 1936
9 30.6 °C 1971
What's the all-time low for Ottawa on 8/19?
For the date of Aug 19, the lowest temperature ever reached in Ottawa history is 3.9 °C which happened in 1907.
Lowest Temperatures in Ottawa on August 19
Rank Temperature Year
1 3.9 °C 1907
2 6.7 °C 1918
2 6.7 °C 1904
4 7.0 °C 1977
5 7.8 °C 1929
5 7.8 °C 1968
5 7.8 °C 1957
5 7.8 °C 1963
9 8.1 °C 2014
10 8.3 °C 1975
10 8.3 °C 1970
10 8.3 °C 1921
10 8.3 °C 1953
10 8.3 °C 1951
10 8.3 °C 1962
10 8.3 °C 1896
Lowest High Temperatures in Ottawa on August 19
Rank Temperature Year
1 16.7 °C 1890
2 17.2 °C 1950
3 18.6 °C 2000
4 18.7 °C 1992
5 18.9 °C 1896
6 19.4 °C 1953
6 19.4 °C 1940
6 19.4 °C 1949
6 19.4 °C 1897
10 19.6 °C 2008
What's the most it has ever rained in Ottawa on 8/19?
For the date of Aug 19, the most precipitation ever recorded in Ottawa history is 3.78 cm which happened in 1937.
All-Time Most Precipitation in Ottawa on August 19
Rank Precipitation Year
1 3.78 cm 1937
2 1.70 cm 2005
3 1.57 cm 1946
4 1.45 cm 1917
5 1.38 cm 2006
6 1.04 cm 1978
7 0.89 cm 1968
7 0.89 cm 1943
9 0.69 cm 1941
10 0.64 cm 1950
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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