Ottawa July 20 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of July 20.
July 20 All-Time Records
1889–2024
Highest temperature 34.9 °C 1991
Lowest temperature 6.1 °C 1929
Lowest daily high 19.8 °C 2007
Highest daily low 23.0 °C 2022
Most precipitation 4.11 cm 1970
Most snow none -
July 20 Average Weather
1991–2020 1
Average high 26.9 °C
Average low 16.1 °C
Chance precipitation 40.0%
Chance snow 0%
Ottawa July 20 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 27.5 16.0 2.56 0.0
2022 31.0 23.0 0.06 0.0
2021 26.0 17.0 2.64 0.0
2020 29.0 20.0 0.00 0.0
2019 33.5 20.5 0.14 0.0
2018 31.5 14.0 0.00 0.0
2017 28.5 18.0 0.00 0.0
2016 26.5 11.5 0.00 0.0
2015 28.8 18.7 0.12 0.0
2014 26.1 17.0 0.00 0.0
2013 27.5 21.0 0.00 0.0
2012 26.7 12.5 0.00 0.0
2011 32.0 16.3 0.00 0.0
2010 28.0 16.0 0.00 0.0
2009 26.0 13.6 0.00 0.0
2008 24.3 15.7 0.00 0.0
2007 19.8 13.4 3.43 0.0
2006 30.5 15.6 0.00 0.0
2005 27.1 17.7 0.00 0.0
2004 27.5 17.5 0.02 0.0
2003 24.0 13.0 1.12 0.0
2002 25.9 14.0 0.00 0.0
2001 30.5 14.3 0.00 0.0
2000 23.7 8.4 0.42 0.0
1999 25.9 13.2 0.00 0.0
1998 29.0 19.5 0.00 0.0
1997 22.9 11.2 0.00 0.0
1996 23.3 11.8 0.00 0.0
1995 25.7 16.6 2.34 0.0
1994 30.0 16.5 0.00 0.0
1993 28.2 18.7 0.30 0.0
1992 26.1 15.8 0.22 0.0
1991 34.9 21.5 0.62 0.0
1990 23.5 18.4 3.14 0.0
1989 26.8 14.9 0.00 0.0
1988 26.5 17.7 0.00 0.0
1987 27.8 18.1 0.14 0.0
1986 28.7 18.4 0.22 0.0
1985 26.4 17.1 0.00 0.0
1984 27.3 16.1 0.43 0.0
1983 28.0 16.5 0.00 0.0
1982 24.5 13.5 0.00 0.0
1981 25.0 18.0 0.28 0.0
1980 29.5 19.5 1.94 0.0
1979 29.0 14.5 0.00 0.0
1978 34.0 20.0 0.00 0.0
1977 34.5 20.5 0.00 0.0
1976 25.6 17.2 0.20 0.0
1975 30.6 20.0 2.64 0.0
1974 23.3 12.8 0.00 0.0
1973 26.1 16.7 0.00 0.0
1972 27.8 17.8 0.10 0.0
1971 21.1 12.2 0.20 0.0
1970 22.2 13.9 4.11 0.0
1969 26.7 13.3 0.00 0.0
1968 24.4 14.4 0.00 0.0
1967 29.4 15.6 0.00 0.0
1966 22.2 11.7 0.03 0.0
1965 21.1 10.0 0.03 0.0
1964 26.1 13.3 0.00 0.0
1963 23.9 14.4 0.00 0.0
1962 25.6 9.4 1.73 0.0
1961 28.9 15.6 0.76 0.0
1960 22.8 13.3 0.00 0.0
1959 25.0 13.3 0.00 0.0
1958 22.2 10.6 0.00 0.0
1957 31.7 21.7 0.00 0.0
1956 25.6 12.8 0.58 0.0
1955 32.2 9.4 0.00 0.0
1954 26.7 12.2 0.66 0.0
1953 32.2 16.7 0.00 0.0
1952 29.4 16.7 0.25 0.0
1951 21.1 11.7 0.00 0.0
1950 24.4 11.7 0.00 0.0
1949 28.3 16.1 0.00 0.0
1948 28.3 10.6 0.97 0.0
1947 23.9 8.9 0.00 0.0
1946 27.8 17.2 0.00 0.0
1945 27.8 16.7 0.00 0.0
1944 22.2 15.6 2.49 0.0
1943 26.7 13.9 0.00 0.0
1942 23.9 20.0 0.00 0.0
1941 25.0 11.1 0.00 0.0
1940 22.8 17.2 2.62 0.0
1939 24.4 9.4 0.00 0.0
1938 25.6 17.2 0.00 0.0
1937 28.3 11.1 0.00 0.0
1936 22.8 10.0 0.00 0.0
1935 28.9 18.3 0.61 0.0
1934 32.2 20.6 0.00 0.0
1933 26.7 15.6 0.00 0.0
1932 28.3 10.6 0.00 0.0
1931 27.8 16.1 1.07 0.0
1930 26.1 11.7 0.00 0.0
1929 22.8 6.1 0.00 0.0
1928 22.8 14.4 0.00 0.0
1927 22.8 10.0 0.00 0.0
1926 30.6 15.6 0.00 0.0
1925 27.8 10.0 0.00 0.0
1924 28.9 12.2 0.00 0.0
1923 32.2 17.8 0.00 0.0
1922 30.6 11.1 0.00 0.0
1921 28.3 17.2 0.00 0.0
1920 26.7 11.7 0.00 0.0
1919 31.1 18.3 0.00 0.0
1918 30.6 15.6 0.00 0.0
1917 28.3 15.0 0.48 0.0
1916 33.9 18.3 0.00 0.0
1915 24.4 10.6 0.00 0.0
1914 27.2 7.2 0.00 0.0
1913 25.6 13.3 0.00 0.0
1912 23.9 9.4 0.00 0.0
1911 25.6 15.6 0.00 0.0
1910 31.1 12.2 0.00 0.0
1909 26.1 12.2 0.00 0.0
1908 27.8 15.0 0.00 0.0
1907 30.0 14.4 0.51 0.0
1906 28.3 16.1 0.00 0.0
1905 23.9 15.0 0.18 0.0
1904 26.7 15.6 0.00 0.0
1903 22.8 15.0 0.48 0.0
1902 24.4 15.6 0.00 0.0
1901 28.9 16.1 0.00 0.0
1900 29.4 13.9 0.00 0.0
1899 22.2 6.7 0.00 0.0
1898 33.3 19.4 0.00 0.0
1897 29.4 19.4 1.57 0.0
1896 23.9 16.1 1.40 0.0
1895 30.6 16.7 0.00 0.0
1894 33.9 17.8 0.66 0.0
1893 27.2 10.6 0.00 0.0
1892 23.9 11.1 0.00 0.0
1891 22.2 10.6 0.00 0.0
1890 20.0 7.8 0.00 0.0
What's the all-time high for Ottawa on 7/20?
For the date of Jul 20, the highest temperature ever reached in Ottawa history is 34.9 °C which happened in 1991.
Highest Temperatures in Ottawa on July 20
Rank Temperature Year
1 34.9 °C 1991
2 34.5 °C 1977
3 34.0 °C 1978
4 33.9 °C 1916
4 33.9 °C 1894
6 33.5 °C 2019
7 33.3 °C 1898
8 32.2 °C 1923
8 32.2 °C 1934
8 32.2 °C 1955
8 32.2 °C 1953
What's the all-time low for Ottawa on 7/20?
For the date of Jul 20, the lowest temperature ever reached in Ottawa history is 6.1 °C which happened in 1929.
Lowest Temperatures in Ottawa on July 20
Rank Temperature Year
1 6.1 °C 1929
2 6.7 °C 1899
3 7.2 °C 1914
4 7.8 °C 1890
5 8.4 °C 2000
6 8.9 °C 1947
7 9.4 °C 1939
7 9.4 °C 1912
7 9.4 °C 1962
7 9.4 °C 1955
Lowest High Temperatures in Ottawa on July 20
Rank Temperature Year
1 19.8 °C 2007
2 20.0 °C 1890
3 21.1 °C 1971
3 21.1 °C 1951
3 21.1 °C 1965
6 22.2 °C 1891
6 22.2 °C 1970
6 22.2 °C 1966
6 22.2 °C 1899
6 22.2 °C 1944
6 22.2 °C 1958
What's the most it has ever rained in Ottawa on 7/20?
For the date of Jul 20, the most precipitation ever recorded in Ottawa history is 4.11 cm which happened in 1970.
All-Time Most Precipitation in Ottawa on July 20
Rank Precipitation Year
1 4.11 cm 1970
2 3.43 cm 2007
3 3.14 cm 1990
4 2.64 cm 1975
4 2.64 cm 2021
6 2.62 cm 1940
7 2.56 cm 2023
8 2.49 cm 1944
9 2.34 cm 1995
10 1.94 cm 1980
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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