Ottawa August 10 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of August 10.
August 10 All-Time Records
1889–2024
Highest temperature 35.0 °C 1949
Lowest temperature 8.3 °C 1938
Lowest daily high 14.5 °C 1979
Highest daily low 24.4 °C 2001
Most precipitation 4.80 cm 1952
Most snow none -
August 10 Average Weather
1991–2020 1
Average high 26.1 °C
Average low 15.2 °C
Chance precipitation 37.5%
Chance snow 0%
Ottawa August 10 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 23.5 15.5 3.82 0.0
2022 26.0 16.0 0.00 0.0
2021 31.0 20.5 0.20 0.0
2020 30.0 17.5 0.10 0.0
2019 22.0 12.5 0.00 0.0
2018 26.0 13.0 0.00 0.0
2017 25.5 14.5 0.00 0.0
2016 34.0 20.0 0.00 0.0
2015 28.3 10.8 3.73 0.0
2014 29.0 12.0 0.00 0.0
2013 22.5 14.1 0.00 0.0
2012 21.7 17.0 1.14 0.0
2011 24.0 14.8 0.23 0.0
2010 29.4 14.9 0.00 0.0
2009 29.1 18.1 0.00 0.0
2008 22.7 13.5 0.02 0.0
2007 26.5 15.5 0.00 0.0
2006 24.5 16.0 0.00 0.0
2005 32.4 20.2 1.67 0.0
2004 25.7 16.8 3.42 0.0
2003 24.7 21.3 1.78 0.0
2002 30.6 15.6 0.00 0.0
2001 28.7 24.4 0.00 0.0
2000 26.5 16.0 0.00 0.0
1999 22.9 9.0 0.00 0.0
1998 25.9 21.8 0.14 0.0
1997 32.5 14.8 0.05 0.0
1996 21.6 13.8 0.00 0.0
1995 28.0 13.2 0.00 0.0
1994 21.4 9.1 0.00 0.0
1993 23.8 13.0 0.04 0.0
1992 25.9 16.8 0.30 0.0
1991 23.6 15.8 0.00 0.0
1990 27.6 15.0 0.00 0.0
1989 26.8 11.1 0.00 0.0
1988 27.9 21.9 0.00 0.0
1987 28.0 16.0 0.02 0.0
1986 26.2 16.0 0.00 0.0
1985 32.9 13.8 0.00 0.0
1984 29.2 20.9 3.08 0.0
1983 21.0 8.5 0.00 0.0
1982 22.0 14.5 0.00 0.0
1981 27.5 18.0 0.26 0.0
1980 24.5 10.0 0.00 0.0
1979 14.5 12.5 0.60 0.0
1978 24.5 15.0 0.00 0.0
1977 16.5 14.0 0.00 0.0
1976 26.7 16.1 0.00 0.0
1975 31.1 18.3 0.03 0.0
1974 24.4 11.1 0.00 0.0
1973 29.4 21.7 0.00 0.0
1972 18.3 11.1 0.00 0.0
1971 29.4 19.4 3.02 0.0
1970 31.1 16.1 0.00 0.0
1969 21.1 14.4 0.00 0.0
1968 22.8 12.8 0.00 0.0
1967 17.2 15.0 0.00 0.0
1966 26.7 18.3 0.38 0.0
1965 18.9 13.9 0.25 0.0
1964 23.3 11.1 0.00 0.0
1963 22.2 10.6 0.00 0.0
1962 21.7 13.9 0.00 0.0
1961 30.0 16.7 0.43 0.0
1960 23.9 11.7 0.00 0.0
1959 28.9 17.2 1.40 0.0
1958 25.0 13.3 0.00 0.0
1957 29.4 20.0 0.00 0.0
1956 24.4 18.9 0.15 0.0
1955 31.7 15.0 1.65 0.0
1954 25.0 13.3 3.40 0.0
1953 17.8 15.0 2.29 0.0
1952 21.7 17.2 4.80 0.0
1951 25.0 15.0 0.00 0.0
1950 26.1 15.6 0.00 0.0
1949 35.0 17.8 1.30 0.0
1948 26.7 10.0 0.00 0.0
1947 28.3 11.1 0.00 0.0
1946 25.6 18.3 0.56 0.0
1945 30.6 12.8 0.00 0.0
1944 35.0 15.0 0.00 0.0
1943 25.0 15.6 0.05 0.0
1942 21.7 14.4 1.17 0.0
1941 24.4 11.1 0.00 0.0
1940 30.6 15.0 0.00 0.0
1939 26.1 16.7 0.00 0.0
1938 26.7 8.3 0.76 0.0
1937 28.9 20.6 2.41 0.0
1936 25.0 15.6 0.00 0.0
1935 27.2 15.0 0.00 0.0
1934 30.6 21.7 0.00 0.0
1933 25.6 8.3 0.20 0.0
1932 23.3 10.6 0.00 0.0
1931 22.2 13.9 0.00 0.0
1930 20.0 12.8 0.00 0.0
1929 21.1 13.9 3.38 0.0
1928 28.3 11.1 0.00 0.0
1927 22.2 11.1 0.00 0.0
1926 26.1 9.4 0.00 0.0
1925 28.3 18.3 0.46 0.0
1924 22.8 13.9 1.52 0.0
1923 26.1 13.3 0.00 0.0
1922 23.9 8.3 0.00 0.0
1921 31.7 15.0 0.00 0.0
1920 26.7 20.6 2.69 0.0
1919 26.7 13.9 0.00 0.0
1918 27.2 13.3 0.00 0.0
1917 25.0 14.4 0.10 0.0
1916 24.4 14.4 0.46 0.0
1915 26.1 14.4 0.05 0.0
1914 32.2 15.6 0.00 0.0
1913 25.0 13.9 0.00 0.0
1912 23.9 18.9 2.92 0.0
1911 28.9 16.1 0.00 0.0
1910 26.7 13.9 1.55 0.0
1909 23.9 13.3 0.00 0.0
1908 28.3 15.0 0.00 0.0
1907 32.2 13.3 0.00 0.0
1906 27.2 16.7 0.81 0.0
1905 30.6 17.8 0.00 0.0
1904 24.4 10.0 0.05 0.0
1903 25.0 10.6 0.00 0.0
1902 22.2 10.0 0.18 0.0
1901 19.4 12.2 3.66 0.0
1900 29.4 21.7 0.38 0.0
1899 22.8 13.3 0.20 0.0
1898 26.1 13.3 0.00 0.0
1897 25.0 15.6 0.30 0.0
1896 32.8 18.9 0.00 0.0
1895 29.4 12.8 0.00 0.0
1894 21.7 8.9 0.00 0.0
1893 35.0 12.8 0.00 0.0
1892 26.7 18.9 1.37 0.0
1891 28.9 18.9 1.12 0.0
1890 20.6 11.1 0.00 0.0
What's the all-time high for Ottawa on 8/10?
For the date of Aug 10, the highest temperature ever reached in Ottawa history is 35.0 °C which has happened 3 times, most recently in 1949.
Highest Temperatures in Ottawa on August 10
Rank Temperature Year
1 35.0 °C 1949
1 35.0 °C 1893
1 35.0 °C 1944
4 34.0 °C 2016
5 32.9 °C 1985
6 32.8 °C 1896
7 32.5 °C 1997
8 32.4 °C 2005
9 32.2 °C 1907
9 32.2 °C 1914
What's the all-time low for Ottawa on 8/10?
For the date of Aug 10, the lowest temperature ever reached in Ottawa history is 8.3 °C which has happened 3 times, most recently in 1938.
Lowest Temperatures in Ottawa on August 10
Rank Temperature Year
1 8.3 °C 1922
1 8.3 °C 1938
1 8.3 °C 1933
4 8.5 °C 1983
5 8.9 °C 1894
6 9.0 °C 1999
7 9.1 °C 1994
8 9.4 °C 1926
9 10.0 °C 1902
9 10.0 °C 1948
9 10.0 °C 1980
9 10.0 °C 1904
Lowest High Temperatures in Ottawa on August 10
Rank Temperature Year
1 14.5 °C 1979
2 16.5 °C 1977
3 17.2 °C 1967
4 17.8 °C 1953
5 18.3 °C 1972
6 18.9 °C 1965
7 19.4 °C 1901
8 20.0 °C 1930
9 20.6 °C 1890
10 21.0 °C 1983
What's the most it has ever rained in Ottawa on 8/10?
For the date of Aug 10, the most precipitation ever recorded in Ottawa history is 4.80 cm which happened in 1952.
All-Time Most Precipitation in Ottawa on August 10
Rank Precipitation Year
1 4.80 cm 1952
2 3.82 cm 2023
3 3.73 cm 2015
4 3.66 cm 1901
5 3.42 cm 2004
6 3.40 cm 1954
7 3.38 cm 1929
8 3.08 cm 1984
9 3.02 cm 1971
10 2.92 cm 1912
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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