Ottawa May 9 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of May 9.
May 9 All-Time Records
1889–2024
Highest temperature 32.8 °C 1896
Lowest temperature -2.8 °C 1956
Lowest daily high 4.6 °C 2010
Highest daily low 16.1 °C 1964
Most precipitation 2.20 cm 2019
Most snow none -
May 9 Average Weather
1991–2020 1
Average high 17.9 °C
Average low 6.6 °C
Chance precipitation 41.2%
Chance snow 0.5%
Ottawa May 9 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 18.0 6.0 0.00 0.0
2022 24.0 2.0 0.00 0.0
2021 15.5 4.5 0.00 0.0
2020 n/a n/a n/a n/a
2019 14.0 4.5 2.20 0.0
2018 27.0 6.5 0.26 0.0
2017 9.0 -0.5 0.00 0.0
2016 13.0 0.5 0.00 0.0
2015 28.8 16.0 0.08 0.0
2014 20.0 9.7 0.71 0.0
2013 24.2 15.1 0.00 0.0
2012 20.1 12.9 2.02 0.0
2011 19.5 6.1 0.00 0.0
2010 4.6 0.0 0.00 0.0
2009 17.1 7.9 1.32 0.0
2008 16.4 4.6 0.00 0.0
2007 26.1 10.9 0.00 0.0
2006 25.2 6.0 0.00 0.0
2005 22.0 6.0 0.00 0.0
2004 19.7 3.1 0.07 0.0
2003 17.8 5.9 0.00 0.0
2002 15.2 8.0 0.90 0.0
2001 24.2 11.8 0.00 0.0
2000 13.1 10.8 0.62 0.0
1999 18.0 10.2 0.11 0.0
1998 19.1 12.3 0.03 0.0
1997 6.4 4.3 0.32 0.0
1996 16.4 10.8 0.14 0.0
1995 21.3 6.6 0.00 0.0
1994 15.2 3.9 0.16 0.0
1993 28.5 10.2 0.00 0.0
1992 21.6 13.6 0.14 0.0
1991 18.7 3.3 0.00 0.0
1990 21.3 4.9 0.02 0.0
1989 15.8 3.4 0.00 0.0
1988 23.5 12.7 0.00 0.0
1987 24.4 7.2 0.06 0.0
1986 17.8 5.8 0.00 0.0
1985 17.8 -0.5 0.00 0.0
1984 12.5 4.7 0.08 0.0
1983 5.0 2.5 0.60 0.0
1982 18.0 9.5 0.14 0.0
1981 19.0 7.5 0.10 0.0
1980 13.5 5.5 0.00 0.0
1979 31.5 15.5 0.00 0.0
1978 20.0 10.5 0.26 0.0
1977 12.0 2.0 0.00 0.0
1976 16.7 2.2 0.03 0.0
1975 21.1 7.2 0.00 0.0
1974 11.1 5.0 2.11 0.0
1973 15.6 11.1 0.33 0.0
1972 15.0 3.3 0.00 0.0
1971 18.9 8.9 0.00 0.0
1970 12.2 7.2 0.46 0.0
1969 13.3 11.1 0.89 0.0
1968 21.7 14.4 0.48 0.0
1967 8.3 2.8 0.33 0.0
1966 7.2 -1.7 0.00 0.0
1965 27.8 12.2 1.12 0.0
1964 22.2 16.1 0.00 0.0
1963 23.3 5.6 0.00 0.0
1962 15.6 1.1 0.00 0.0
1961 21.1 13.9 0.00 0.0
1960 21.1 13.3 0.97 0.0
1959 21.1 0.0 0.00 0.0
1958 8.3 3.3 0.10 0.0
1957 25.0 14.4 0.23 0.0
1956 14.4 -2.8 0.41 0.0
1955 11.1 1.7 0.00 0.0
1954 8.9 7.2 0.99 0.0
1953 28.9 8.3 0.08 0.0
1952 21.1 3.3 0.00 0.0
1951 14.4 9.4 0.00 0.0
1950 18.3 3.3 0.13 0.0
1949 16.7 7.8 0.00 0.0
1948 12.8 2.8 0.23 0.0
1947 7.2 -2.8 0.00 0.0
1946 10.0 -1.1 0.41 0.0
1945 7.8 0.6 0.00 0.0
1944 18.3 8.3 1.55 0.0
1943 17.2 2.2 0.00 0.0
1942 20.6 4.4 0.05 0.0
1941 17.8 6.7 0.51 0.0
1940 15.6 0.0 0.00 0.0
1939 21.1 12.2 0.43 0.0
1938 21.7 3.3 0.00 0.0
1937 16.7 7.8 0.43 0.0
1936 20.6 14.4 0.00 0.0
1935 20.0 2.8 0.51 0.0
1934 18.9 0.6 0.99 0.0
1933 14.4 1.7 0.61 0.0
1932 22.2 5.6 0.00 0.0
1931 20.6 9.4 0.08 0.0
1930 22.8 8.9 0.00 0.0
1929 11.1 2.8 0.00 0.0
1928 21.7 4.4 0.00 0.0
1927 18.3 3.9 0.18 0.0
1926 14.4 1.7 0.23 0.0
1925 15.0 0.0 0.00 0.0
1924 15.6 6.7 0.00 0.0
1923 16.1 4.4 1.02 0.0
1922 20.0 5.0 0.00 0.0
1921 21.1 11.7 0.00 0.0
1920 13.3 2.8 0.00 0.0
1919 15.6 4.4 0.00 0.0
1918 15.0 2.8 0.00 0.0
1917 16.7 2.8 0.00 0.0
1916 11.1 6.1 0.00 0.0
1915 15.6 8.3 0.13 0.0
1914 25.0 7.8 0.00 0.0
1913 12.8 5.6 0.00 0.0
1912 17.8 11.7 0.00 0.0
1911 27.8 13.3 0.00 0.0
1910 19.4 9.4 0.46 0.0
1909 17.8 8.3 0.58 0.0
1908 7.8 4.4 0.53 0.0
1907 21.7 5.0 0.00 0.0
1906 9.4 2.8 0.86 0.0
1905 13.3 4.4 0.61 0.0
1904 29.4 13.9 0.00 0.0
1903 27.8 6.1 0.00 0.0
1902 11.7 1.1 0.48 0.0
1901 25.6 12.2 0.00 0.0
1900 6.7 0.0 1.02 0.0
1899 n/a n/a n/a n/a
1898 17.8 1.7 0.00 0.0
1897 24.4 5.6 0.00 0.0
1896 32.8 11.7 0.00 0.0
1895 26.7 16.1 1.14 0.0
1894 15.0 6.1 0.05 0.0
1893 21.7 5.0 0.00 0.0
1892 17.8 5.0 0.00 0.0
1891 20.6 7.2 0.00 0.0
1890 15.6 2.2 0.00 0.0
What's the all-time high for Ottawa on 5/9?
For the date of May 9, the highest temperature ever reached in Ottawa history is 32.8 °C which happened in 1896.
Highest Temperatures in Ottawa on May 9
Rank Temperature Year
1 32.8 °C 1896
2 31.5 °C 1979
3 29.4 °C 1904
4 28.9 °C 1953
5 28.8 °C 2015
6 28.5 °C 1993
7 27.8 °C 1903
7 27.8 °C 1911
7 27.8 °C 1965
10 27.0 °C 2018
What's the all-time low for Ottawa on 5/9?
For the date of May 9, the lowest temperature ever reached in Ottawa history is -2.8 °C which has happened 2 times, most recently in 1956.
Lowest Temperatures in Ottawa on May 9
Rank Temperature Year
1 -2.8 °C 1956
1 -2.8 °C 1947
3 -1.7 °C 1966
4 -1.1 °C 1946
5 -0.5 °C 1985
5 -0.5 °C 2017
7 0.0 °C 1959
7 0.0 °C 1940
7 0.0 °C 1900
7 0.0 °C 1925
7 0.0 °C 2010
Lowest High Temperatures in Ottawa on May 9
Rank Temperature Year
1 4.6 °C 2010
2 5.0 °C 1983
3 6.4 °C 1997
4 6.7 °C 1900
5 7.2 °C 1966
5 7.2 °C 1947
7 7.8 °C 1908
7 7.8 °C 1945
9 8.3 °C 1967
9 8.3 °C 1958
What's the most it has ever rained in Ottawa on 5/9?
For the date of May 9, the most precipitation ever recorded in Ottawa history is 2.20 cm which happened in 2019.
All-Time Most Precipitation in Ottawa on May 9
Rank Precipitation Year
1 2.20 cm 2019
2 2.11 cm 1974
3 2.02 cm 2012
4 1.55 cm 1944
5 1.32 cm 2009
6 1.14 cm 1895
7 1.12 cm 1965
8 1.02 cm 1900
8 1.02 cm 1923
10 0.99 cm 1954
10 0.99 cm 1934
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location