Ottawa May 17 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of May 17.
May 17 All-Time Records
1889–2024
Highest temperature 32.8 °C 1962
Lowest temperature -5.0 °C 1959
Lowest daily high 7.8 °C 1973
Highest daily low 16.7 °C 1976
Most precipitation 7.59 cm 1916
Most snow none -
May 17 Average Weather
1991–2020 1
Average high 19.8 °C
Average low 8.5 °C
Chance precipitation 42.2%
Chance snow 0.2%
Ottawa May 17 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 11.0 1.0 0.00 0.0
2022 16.0 10.0 0.26 0.0
2021 26.0 7.0 0.00 0.0
2020 n/a n/a n/a n/a
2019 14.0 8.0 0.00 0.0
2018 18.0 13.0 0.00 0.0
2017 31.0 12.0 0.00 0.0
2016 16.0 1.0 0.00 0.0
2015 24.6 10.0 0.00 0.0
2014 14.0 6.0 0.00 0.0
2013 20.3 5.0 0.00 0.0
2012 17.1 5.5 0.00 0.0
2011 15.5 6.1 0.20 0.0
2010 25.2 4.6 0.00 0.0
2009 10.6 3.5 0.00 0.0
2008 20.5 4.8 0.08 0.0
2007 10.7 4.7 0.00 0.0
2006 18.0 12.0 0.22 0.0
2005 14.7 3.7 0.00 0.0
2004 23.5 5.9 1.20 0.0
2003 20.9 6.2 0.00 0.0
2002 11.7 4.7 0.00 0.0
2001 17.9 8.3 0.06 0.0
2000 19.8 3.0 0.62 0.0
1999 26.1 10.8 0.00 0.0
1998 28.3 16.4 0.00 0.0
1997 14.9 4.3 0.00 0.0
1996 22.5 3.8 0.20 0.0
1995 12.8 8.8 1.18 0.0
1994 14.9 9.0 0.26 0.0
1993 13.4 3.7 0.00 0.0
1992 26.4 13.7 2.08 0.0
1991 10.8 7.2 1.68 0.0
1990 17.4 9.6 1.56 0.0
1989 27.6 11.8 0.00 0.0
1988 16.9 10.3 0.00 0.0
1987 14.9 9.9 0.18 0.0
1986 25.5 16.3 0.00 0.0
1985 17.8 13.5 0.00 0.0
1984 17.0 3.7 0.00 0.0
1983 12.5 1.0 0.00 0.0
1982 23.0 13.5 0.00 0.0
1981 11.0 -0.5 0.00 0.0
1980 22.0 3.0 0.76 0.0
1979 19.0 1.5 0.00 0.0
1978 16.5 13.0 0.92 0.0
1977 32.0 15.5 0.00 0.0
1976 22.8 16.7 0.46 0.0
1975 23.9 6.1 0.00 0.0
1974 21.1 8.9 0.00 0.0
1973 7.8 4.4 1.12 0.0
1972 20.0 13.3 0.00 0.0
1971 22.8 8.3 0.00 0.0
1970 15.0 8.9 0.00 0.0
1969 25.6 10.0 1.09 0.0
1968 12.2 9.4 0.03 0.0
1967 18.3 3.3 0.00 0.0
1966 14.4 10.0 0.00 0.0
1965 17.2 13.9 0.08 0.0
1964 22.2 7.8 0.00 0.0
1963 22.8 5.6 0.08 0.0
1962 32.8 14.4 0.00 0.0
1961 15.0 3.9 0.00 0.0
1960 22.8 10.0 0.03 0.0
1959 11.7 -5.0 0.00 0.0
1958 27.8 6.7 0.00 0.0
1957 12.8 -3.3 0.00 0.0
1956 10.0 -2.2 0.00 0.0
1955 15.6 0.0 0.00 0.0
1954 16.7 10.0 0.00 0.0
1953 22.2 9.4 0.86 0.0
1952 14.4 6.7 0.00 0.0
1951 17.8 8.3 0.00 0.0
1950 21.1 8.3 0.33 0.0
1949 25.0 9.4 0.00 0.0
1948 14.4 8.3 1.96 0.0
1947 18.3 1.1 0.86 0.0
1946 18.3 4.4 0.13 0.0
1945 11.7 7.8 2.97 0.0
1944 21.7 7.2 0.00 0.0
1943 16.1 11.1 0.00 0.0
1942 15.0 8.3 0.00 0.0
1941 13.9 5.6 0.10 0.0
1940 12.2 7.2 0.00 0.0
1939 15.0 3.3 0.00 0.0
1938 20.6 2.8 0.00 0.0
1937 13.3 7.8 0.66 0.0
1936 27.8 3.9 0.00 0.0
1935 13.9 1.7 0.00 0.0
1934 15.0 5.6 0.48 0.0
1933 22.8 5.0 0.00 0.0
1932 15.0 8.3 0.13 0.0
1931 13.9 0.6 0.00 0.0
1930 15.0 6.7 0.28 0.0
1929 18.3 1.1 0.00 0.0
1928 20.6 7.8 0.00 0.0
1927 18.3 3.9 0.18 0.0
1926 25.0 3.9 0.00 0.0
1925 21.7 6.1 0.84 0.0
1924 21.1 7.2 0.08 0.0
1923 14.4 6.1 0.05 0.0
1922 24.4 9.4 0.05 0.0
1921 19.4 2.8 0.00 0.0
1920 25.0 6.1 0.00 0.0
1919 16.1 11.1 1.75 0.0
1918 29.4 11.1 0.00 0.0
1917 18.3 2.8 0.00 0.0
1916 11.1 7.8 7.59 0.0
1915 9.4 5.0 0.46 0.0
1914 24.4 3.9 0.00 0.0
1913 15.6 6.1 0.00 0.0
1912 12.8 9.4 1.37 0.0
1911 26.1 3.9 0.03 0.0
1910 23.9 5.6 0.00 0.0
1909 13.9 8.3 0.30 0.0
1908 21.1 10.0 0.25 0.0
1907 19.4 4.4 0.00 0.0
1906 25.0 8.9 0.20 0.0
1905 22.8 8.3 0.41 0.0
1904 18.9 4.4 0.00 0.0
1903 30.0 8.9 0.00 0.0
1902 20.0 5.6 0.00 0.0
1901 19.4 8.3 0.66 0.0
1900 17.8 5.6 1.57 0.0
1899 n/a n/a n/a n/a
1898 14.4 7.8 0.00 0.0
1897 18.9 5.0 0.00 0.0
1896 24.4 7.8 0.10 0.0
1895 17.8 2.8 0.00 0.0
1894 21.1 5.6 0.00 0.0
1893 15.6 9.4 1.65 0.0
1892 22.8 5.6 0.00 0.0
1891 12.2 0.0 0.00 0.0
1890 12.2 2.8 0.33 0.0
What's the all-time high for Ottawa on 5/17?
For the date of May 17, the highest temperature ever reached in Ottawa history is 32.8 °C which happened in 1962.
Highest Temperatures in Ottawa on May 17
Rank Temperature Year
1 32.8 °C 1962
2 32.0 °C 1977
3 31.0 °C 2017
4 30.0 °C 1903
5 29.4 °C 1918
6 28.3 °C 1998
7 27.8 °C 1958
7 27.8 °C 1936
9 27.6 °C 1989
10 26.4 °C 1992
What's the all-time low for Ottawa on 5/17?
For the date of May 17, the lowest temperature ever reached in Ottawa history is -5.0 °C which happened in 1959.
Lowest Temperatures in Ottawa on May 17
Rank Temperature Year
1 -5.0 °C 1959
2 -3.3 °C 1957
3 -2.2 °C 1956
4 -0.5 °C 1981
5 0.0 °C 1955
5 0.0 °C 1891
7 0.6 °C 1931
8 1.0 °C 2016
8 1.0 °C 2023
8 1.0 °C 1983
Lowest High Temperatures in Ottawa on May 17
Rank Temperature Year
1 7.8 °C 1973
2 9.4 °C 1915
3 10.0 °C 1956
4 10.6 °C 2009
5 10.7 °C 2007
6 10.8 °C 1991
7 11.0 °C 1981
7 11.0 °C 2023
9 11.1 °C 1916
10 11.7 °C 2002
10 11.7 °C 1945
10 11.7 °C 1959
What's the most it has ever rained in Ottawa on 5/17?
For the date of May 17, the most precipitation ever recorded in Ottawa history is 7.59 cm which happened in 1916.
All-Time Most Precipitation in Ottawa on May 17
Rank Precipitation Year
1 7.59 cm 1916
2 2.97 cm 1945
3 2.08 cm 1992
4 1.96 cm 1948
5 1.75 cm 1919
6 1.68 cm 1991
7 1.65 cm 1893
8 1.57 cm 1900
9 1.56 cm 1990
10 1.37 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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