Ottawa July 17 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of July 17.
July 17 All-Time Records
1889–2024
Highest temperature 34.4 °C 1953
Lowest temperature 6.1 °C 1944
Lowest daily high 19.4 °C 1924
Highest daily low 23.9 °C 1969
Most precipitation 6.81 cm 1950
Most snow none -
July 17 Average Weather
1991–2020 1
Average high 26.9 °C
Average low 16.0 °C
Chance precipitation 39.1%
Chance snow 0%
Ottawa July 17 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 28.0 19.0 0.00 0.0
2022 33.0 15.0 0.00 0.0
2021 27.0 17.0 0.00 0.0
2020 32.0 20.0 0.00 0.0
2019 28.0 21.5 0.00 0.0
2018 29.0 21.5 0.00 0.0
2017 26.0 18.0 0.00 0.0
2016 26.0 17.5 0.40 0.0
2015 22.6 10.1 1.35 0.0
2014 22.6 11.4 0.00 0.0
2013 34.0 23.1 0.02 0.0
2012 33.6 21.9 0.00 0.0
2011 33.8 17.6 1.40 0.0
2010 31.2 20.0 0.27 0.0
2009 25.7 14.8 3.04 0.0
2008 29.0 15.0 1.18 0.0
2007 26.7 11.6 0.00 0.0
2006 32.7 20.8 0.88 0.0
2005 29.1 22.1 0.08 0.0
2004 27.2 15.5 0.00 0.0
2003 27.0 14.0 0.44 0.0
2002 29.1 17.0 0.00 0.0
2001 27.0 16.4 0.00 0.0
2000 26.0 18.3 0.02 0.0
1999 33.3 21.0 1.97 0.0
1998 27.9 18.9 0.00 0.0
1997 28.8 20.6 0.72 0.0
1996 28.3 17.1 0.00 0.0
1995 21.7 13.6 0.45 0.0
1994 27.4 15.8 0.00 0.0
1993 24.4 12.0 0.00 0.0
1992 21.8 15.7 2.68 0.0
1991 32.0 17.5 0.86 0.0
1990 29.7 15.5 0.00 0.0
1989 27.5 11.2 0.00 0.0
1988 25.2 18.3 0.00 0.0
1987 24.9 11.9 0.00 0.0
1986 25.9 15.4 0.00 0.0
1985 24.6 12.5 0.00 0.0
1984 25.2 14.3 0.90 0.0
1983 28.0 15.0 0.00 0.0
1982 32.5 18.5 0.36 0.0
1981 28.0 14.5 2.32 0.0
1980 24.0 18.0 0.20 0.0
1979 24.5 16.0 0.00 0.0
1978 27.5 14.5 0.00 0.0
1977 30.5 19.0 3.58 0.0
1976 22.8 13.3 0.05 0.0
1975 32.8 18.9 0.00 0.0
1974 23.3 8.9 0.00 0.0
1973 26.7 10.6 0.00 0.0
1972 28.3 17.8 0.00 0.0
1971 23.3 16.1 0.00 0.0
1970 28.3 11.7 0.00 0.0
1969 31.7 23.9 0.00 0.0
1968 32.8 21.7 0.00 0.0
1967 25.0 11.1 0.00 0.0
1966 31.7 12.2 0.00 0.0
1965 21.7 16.1 0.00 0.0
1964 30.6 16.1 0.00 0.0
1963 26.7 14.4 1.78 0.0
1962 25.0 12.2 0.03 0.0
1961 27.2 18.3 0.00 0.0
1960 26.1 14.4 0.00 0.0
1959 31.1 13.3 0.00 0.0
1958 22.8 11.1 0.00 0.0
1957 28.3 12.8 0.00 0.0
1956 23.3 15.6 0.00 0.0
1955 29.4 18.9 0.00 0.0
1954 26.1 7.8 0.00 0.0
1953 34.4 21.1 0.00 0.0
1952 29.4 13.9 0.00 0.0
1951 24.4 14.4 0.00 0.0
1950 27.2 19.4 6.81 0.0
1949 31.1 12.8 1.96 0.0
1948 28.3 18.3 0.23 0.0
1947 26.7 20.0 5.03 0.0
1946 29.4 8.3 0.00 0.0
1945 27.2 8.3 0.08 0.0
1944 25.6 6.1 0.10 0.0
1943 21.7 10.6 0.00 0.0
1942 27.8 10.0 0.05 0.0
1941 23.3 18.3 0.00 0.0
1940 26.7 8.9 0.00 0.0
1939 21.7 11.1 0.00 0.0
1938 26.7 18.3 0.00 0.0
1937 26.1 18.3 1.91 0.0
1936 25.6 14.4 0.00 0.0
1935 26.7 11.7 0.00 0.0
1934 25.0 11.7 0.00 0.0
1933 25.0 13.3 0.00 0.0
1932 24.4 16.7 0.69 0.0
1931 28.3 15.6 0.00 0.0
1930 27.8 13.9 0.00 0.0
1929 29.4 13.9 0.00 0.0
1928 28.9 16.7 0.97 0.0
1927 28.3 15.6 0.00 0.0
1926 27.2 12.2 0.15 0.0
1925 25.0 12.2 0.64 0.0
1924 19.4 11.1 0.15 0.0
1923 30.0 13.9 0.00 0.0
1922 29.4 18.9 0.00 0.0
1921 31.1 16.1 0.53 0.0
1920 22.2 8.3 0.28 0.0
1919 30.0 12.8 0.00 0.0
1918 26.7 17.2 0.10 0.0
1917 28.3 15.6 0.05 0.0
1916 27.8 17.2 0.18 0.0
1915 24.4 19.4 0.00 0.0
1914 33.3 20.6 0.18 0.0
1913 30.6 13.9 0.00 0.0
1912 25.0 10.0 0.00 0.0
1911 22.8 16.7 1.78 0.0
1910 23.3 11.7 0.00 0.0
1909 25.0 15.0 0.05 0.0
1908 20.0 9.4 2.46 0.0
1907 30.6 16.1 0.00 0.0
1906 26.7 20.0 0.00 0.0
1905 30.0 16.1 0.13 0.0
1904 27.8 13.3 0.00 0.0
1903 27.8 13.3 0.00 0.0
1902 19.4 10.0 2.11 0.0
1901 34.4 21.7 0.00 0.0
1900 30.0 20.6 5.94 0.0
1899 25.6 17.8 0.05 0.0
1898 24.4 13.9 0.36 0.0
1897 28.9 17.8 0.00 0.0
1896 27.2 13.9 0.00 0.0
1895 28.9 17.2 0.69 0.0
1894 29.4 14.4 0.00 0.0
1893 31.1 15.6 4.09 0.0
1892 23.3 11.1 0.00 0.0
1891 27.8 13.9 0.00 0.0
1890 20.6 15.0 1.04 0.0
What's the all-time high for Ottawa on 7/17?
For the date of Jul 17, the highest temperature ever reached in Ottawa history is 34.4 °C which has happened 2 times, most recently in 1953.
Highest Temperatures in Ottawa on July 17
Rank Temperature Year
1 34.4 °C 1901
1 34.4 °C 1953
3 34.0 °C 2013
4 33.8 °C 2011
5 33.6 °C 2012
6 33.3 °C 1999
6 33.3 °C 1914
8 33.0 °C 2022
9 32.8 °C 1968
9 32.8 °C 1975
What's the all-time low for Ottawa on 7/17?
For the date of Jul 17, the lowest temperature ever reached in Ottawa history is 6.1 °C which happened in 1944.
Lowest Temperatures in Ottawa on July 17
Rank Temperature Year
1 6.1 °C 1944
2 7.8 °C 1954
3 8.3 °C 1946
3 8.3 °C 1945
3 8.3 °C 1920
6 8.9 °C 1974
6 8.9 °C 1940
8 9.4 °C 1908
9 10.0 °C 1942
9 10.0 °C 1912
9 10.0 °C 1902
Lowest High Temperatures in Ottawa on July 17
Rank Temperature Year
1 19.4 °C 1902
1 19.4 °C 1924
3 20.0 °C 1908
4 20.6 °C 1890
5 21.7 °C 1965
5 21.7 °C 1995
5 21.7 °C 1939
5 21.7 °C 1943
9 21.8 °C 1992
10 22.2 °C 1920
What's the most it has ever rained in Ottawa on 7/17?
For the date of Jul 17, the most precipitation ever recorded in Ottawa history is 6.81 cm which happened in 1950.
All-Time Most Precipitation in Ottawa on July 17
Rank Precipitation Year
1 6.81 cm 1950
2 5.94 cm 1900
3 5.03 cm 1947
4 4.09 cm 1893
5 3.58 cm 1977
6 3.04 cm 2009
7 2.68 cm 1992
8 2.46 cm 1908
9 2.32 cm 1981
10 2.11 cm 1902
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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