Ottawa May 8 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of May 8.
May 8 All-Time Records
1889–2024
Highest temperature 31.7 °C 1936
Lowest temperature -3.9 °C 1966
Lowest daily high 3.9 °C 1947
Highest daily low 16.1 °C 1895
Most precipitation 3.81 cm 1900
Most snow 0.4 cm 1977
May 8 Average Weather
1991–2020 1
Average high 17.7 °C
Average low 6.3 °C
Chance precipitation 40.5%
Chance snow 0.5%
Ottawa May 8 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 17.5 9.0 0.00 0.0
2022 19.0 4.0 0.00 0.0
2021 11.5 6.0 0.20 0.0
2020 n/a n/a n/a n/a
2019 14.0 1.5 0.00 0.0
2018 23.0 3.5 0.00 0.0
2017 5.5 0.5 0.00 0.0
2016 9.0 2.5 0.00 0.0
2015 29.9 11.7 0.00 0.0
2014 19.2 4.0 0.05 0.0
2013 27.5 10.0 0.00 0.0
2012 16.4 9.8 0.64 0.0
2011 15.8 5.9 0.00 0.0
2010 6.6 3.5 0.52 0.0
2009 20.0 11.3 0.52 0.0
2008 16.0 8.9 0.00 0.0
2007 25.6 8.0 0.00 0.0
2006 22.5 4.2 0.00 0.0
2005 22.5 5.8 0.00 0.0
2004 10.4 -1.2 0.00 0.0
2003 22.0 5.7 0.00 0.0
2002 14.5 1.8 0.00 0.0
2001 23.3 7.7 0.10 0.0
2000 16.3 13.7 3.34 0.0
1999 20.8 15.6 0.93 0.0
1998 23.7 13.4 0.00 0.0
1997 14.4 -0.3 0.58 0.0
1996 19.9 5.1 0.00 0.0
1995 16.9 1.8 0.00 0.0
1994 16.4 10.9 0.00 0.0
1993 23.6 4.0 0.00 0.0
1992 23.5 4.2 0.04 0.0
1991 15.1 7.4 0.00 0.0
1990 17.3 4.4 0.42 0.0
1989 9.2 0.1 0.10 0.0
1988 23.6 4.4 0.00 0.0
1987 19.5 1.1 0.14 0.0
1986 12.8 7.5 0.10 0.0
1985 10.6 -0.6 0.00 0.0
1984 10.9 9.5 2.10 0.0
1983 5.0 2.5 0.42 0.0
1982 15.5 13.0 1.94 0.0
1981 20.5 3.5 0.00 0.0
1980 10.0 2.5 0.10 0.0
1979 29.0 7.5 0.00 0.0
1978 23.0 5.0 0.84 0.0
1977 6.5 0.5 0.30 0.4
1976 13.3 1.1 0.00 0.0
1975 22.2 5.6 0.00 0.0
1974 10.0 2.2 0.38 0.0
1973 16.1 5.6 0.25 0.0
1972 13.3 0.6 0.00 0.0
1971 18.3 5.6 0.10 0.0
1970 18.3 5.6 0.13 0.0
1969 18.3 5.6 0.86 0.0
1968 21.7 1.1 0.00 0.0
1967 7.2 1.7 0.38 0.0
1966 10.0 -3.9 0.00 0.0
1965 20.0 8.9 0.28 0.0
1964 25.6 13.3 1.37 0.0
1963 18.9 9.4 1.19 0.0
1962 9.4 1.1 0.00 0.0
1961 20.6 3.9 0.00 0.0
1960 23.9 13.9 0.00 0.0
1959 14.4 3.3 0.00 0.0
1958 11.7 8.3 0.00 0.0
1957 25.6 10.6 0.00 0.0
1956 8.9 -3.9 0.00 0.0
1955 15.0 7.2 0.41 0.0
1954 10.0 7.2 1.19 0.0
1953 25.0 10.0 0.00 0.0
1952 17.8 3.9 0.00 0.0
1951 18.3 6.7 0.00 0.0
1950 13.3 -2.8 0.00 0.0
1949 22.8 5.6 0.00 0.0
1948 7.8 5.6 0.13 0.0
1947 3.9 -1.1 0.00 0.0
1946 11.1 0.0 0.00 0.0
1945 16.1 5.6 0.28 0.0
1944 18.3 5.6 0.00 0.0
1943 12.8 8.3 0.00 0.0
1942 18.3 1.7 0.00 0.0
1941 22.2 10.0 0.00 0.0
1940 15.6 1.7 0.00 0.0
1939 30.0 10.0 0.00 0.0
1938 20.0 7.2 0.00 0.0
1937 18.9 6.7 0.25 0.0
1936 31.7 15.6 0.00 0.0
1935 18.9 3.9 0.00 0.0
1934 12.8 0.0 0.00 0.0
1933 15.0 -1.1 0.00 0.0
1932 17.8 2.2 0.00 0.0
1931 17.8 12.8 0.94 0.0
1930 19.4 12.2 0.00 0.0
1929 9.4 0.6 0.00 0.0
1928 18.9 -1.1 0.00 0.0
1927 18.9 0.0 0.00 0.0
1926 18.3 6.1 0.00 0.0
1925 8.3 2.2 0.00 0.0
1924 15.0 7.2 0.00 0.0
1923 25.6 7.2 0.15 0.0
1922 18.3 3.9 0.13 0.0
1921 23.3 9.4 0.00 0.0
1920 17.8 5.6 0.00 0.0
1919 15.0 3.3 0.00 0.0
1918 20.0 8.9 0.00 0.0
1917 16.7 1.7 0.00 0.0
1916 16.7 2.8 0.18 0.0
1915 19.4 10.0 0.79 0.0
1914 22.2 5.6 0.00 0.0
1913 15.6 -1.1 0.00 0.0
1912 21.1 10.6 0.00 0.0
1911 27.2 6.1 0.00 0.0
1910 23.3 3.9 0.00 0.0
1909 17.8 1.1 0.00 0.0
1908 7.2 3.3 2.59 0.0
1907 13.9 2.2 0.00 0.0
1906 12.8 2.8 0.10 0.0
1905 16.7 0.0 0.03 0.0
1904 26.1 12.8 0.00 0.0
1903 24.4 3.9 0.00 0.0
1902 21.1 6.1 0.00 0.0
1901 27.2 9.4 0.00 0.0
1900 12.8 0.0 3.81 0.0
1899 n/a n/a n/a n/a
1898 17.2 3.9 0.00 0.0
1897 17.8 1.1 0.00 0.0
1896 23.9 11.1 0.58 0.0
1895 24.4 16.1 1.80 0.0
1894 17.2 6.1 1.17 0.0
1893 19.4 3.9 0.00 0.0
1892 18.3 1.1 0.00 0.0
1891 19.4 5.6 0.08 0.0
1890 12.2 -0.6 0.00 0.0
What's the all-time high for Ottawa on 5/8?
For the date of May 8, the highest temperature ever reached in Ottawa history is 31.7 °C which happened in 1936.
Highest Temperatures in Ottawa on May 8
Rank Temperature Year
1 31.7 °C 1936
2 30.0 °C 1939
3 29.9 °C 2015
4 29.0 °C 1979
5 27.5 °C 2013
6 27.2 °C 1911
6 27.2 °C 1901
8 26.1 °C 1904
9 25.6 °C 1923
9 25.6 °C 1964
9 25.6 °C 2007
9 25.6 °C 1957
What's the all-time low for Ottawa on 5/8?
For the date of May 8, the lowest temperature ever reached in Ottawa history is -3.9 °C which has happened 2 times, most recently in 1966.
Lowest Temperatures in Ottawa on May 8
Rank Temperature Year
1 -3.9 °C 1966
1 -3.9 °C 1956
3 -2.8 °C 1950
4 -1.2 °C 2004
5 -1.1 °C 1928
5 -1.1 °C 1933
5 -1.1 °C 1947
5 -1.1 °C 1913
9 -0.6 °C 1890
9 -0.6 °C 1985
Lowest High Temperatures in Ottawa on May 8
Rank Temperature Year
1 3.9 °C 1947
2 5.0 °C 1983
3 5.5 °C 2017
4 6.5 °C 1977
5 6.6 °C 2010
6 7.2 °C 1908
6 7.2 °C 1967
8 7.8 °C 1948
9 8.3 °C 1925
10 8.9 °C 1956
What's the most it has ever rained in Ottawa on 5/8?
For the date of May 8, the most precipitation ever recorded in Ottawa history is 3.81 cm which happened in 1900.
All-Time Most Precipitation in Ottawa on May 8
Rank Precipitation Year
1 3.81 cm 1900
2 3.34 cm 2000
3 2.59 cm 1908
4 2.10 cm 1984
5 1.94 cm 1982
6 1.80 cm 1895
7 1.37 cm 1964
8 1.19 cm 1954
8 1.19 cm 1963
10 1.17 cm 1894
All-Time Most Snow in Ottawa on May 8
Rank Precipitation Year
1 0.4 cm 1977
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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