Ottawa July 30 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of July 30.
July 30 All-Time Records
1889–2024
Highest temperature 37.8 °C 1916
Lowest temperature 5.0 °C 1932
Lowest daily high 17.2 °C 1895
Highest daily low 22.8 °C 1916
Most precipitation 3.76 cm 1901
Most snow none -
July 30 Average Weather
1991–2020 1
Average high 26.7 °C
Average low 15.8 °C
Chance precipitation 37.5%
Chance snow 0%
Ottawa July 30 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 25.0 12.0 0.28 0.0
2022 25.0 12.0 0.00 0.0
2021 19.5 12.5 0.00 0.0
2020 26.5 15.5 1.38 0.0
2019 27.0 21.0 1.30 0.0
2018 28.0 15.0 0.00 0.0
2017 29.0 11.5 0.00 0.0
2016 26.5 14.0 0.00 0.0
2015 30.3 21.1 0.00 0.0
2014 20.7 12.7 0.92 0.0
2013 23.8 12.2 0.00 0.0
2012 32.3 14.9 0.00 0.0
2011 27.0 16.7 0.00 0.0
2010 21.4 13.0 0.00 0.0
2009 25.4 15.6 0.00 0.0
2008 23.0 12.9 0.22 0.0
2007 28.5 12.6 0.00 0.0
2006 25.0 14.7 0.00 0.0
2005 25.2 12.1 0.00 0.0
2004 28.9 17.2 0.88 0.0
2003 27.3 12.8 0.07 0.0
2002 29.9 21.7 0.00 0.0
2001 25.1 18.4 0.00 0.0
2000 27.8 16.2 0.00 0.0
1999 31.8 18.9 0.00 0.0
1998 21.8 14.5 0.32 0.0
1997 29.5 12.0 0.00 0.0
1996 18.8 17.4 1.05 0.0
1995 27.6 17.6 0.00 0.0
1994 22.1 16.2 2.56 0.0
1993 24.3 16.4 0.00 0.0
1992 22.6 11.2 0.00 0.0
1991 28.6 18.0 0.40 0.0
1990 31.1 18.0 1.50 0.0
1989 27.0 13.4 0.00 0.0
1988 33.1 20.0 0.08 0.0
1987 23.4 15.4 0.00 0.0
1986 18.9 16.5 0.40 0.0
1985 22.8 14.6 0.00 0.0
1984 23.5 16.8 0.00 0.0
1983 28.0 20.5 0.00 0.0
1982 27.0 11.0 0.20 0.0
1981 26.5 10.0 0.00 0.0
1980 25.0 16.0 0.04 0.0
1979 29.5 14.0 0.02 0.0
1978 20.5 9.5 0.00 0.0
1977 21.0 18.0 0.02 0.0
1976 22.8 17.2 0.00 0.0
1975 31.7 17.8 0.00 0.0
1974 24.4 16.7 0.03 0.0
1973 27.8 12.8 0.00 0.0
1972 26.7 11.7 0.00 0.0
1971 23.3 12.2 0.05 0.0
1970 30.6 21.1 0.25 0.0
1969 25.6 17.8 0.00 0.0
1968 23.3 7.8 0.00 0.0
1967 28.3 13.9 0.00 0.0
1966 24.4 10.0 0.00 0.0
1965 23.3 7.8 0.00 0.0
1964 20.6 14.4 0.00 0.0
1963 24.4 15.0 0.00 0.0
1962 26.1 11.1 0.58 0.0
1961 25.6 17.8 0.05 0.0
1960 26.7 15.0 0.18 0.0
1959 33.3 15.6 0.00 0.0
1958 26.1 12.8 0.00 0.0
1957 28.9 15.0 0.00 0.0
1956 20.0 9.4 0.00 0.0
1955 32.8 13.9 0.00 0.0
1954 29.4 18.3 0.00 0.0
1953 27.2 17.8 0.00 0.0
1952 26.1 6.1 0.38 0.0
1951 29.4 17.2 0.00 0.0
1950 24.4 15.6 0.00 0.0
1949 28.3 20.6 0.00 0.0
1948 27.2 15.0 0.91 0.0
1947 29.4 17.8 0.00 0.0
1946 26.1 15.6 0.00 0.0
1945 30.0 11.7 0.00 0.0
1944 26.1 17.8 0.00 0.0
1943 27.8 14.4 0.00 0.0
1942 27.2 12.2 0.00 0.0
1941 30.0 14.4 0.00 0.0
1940 30.6 18.9 0.00 0.0
1939 22.8 17.2 2.03 0.0
1938 29.4 17.8 0.69 0.0
1937 26.1 12.8 0.05 0.0
1936 20.6 11.7 0.00 0.0
1935 29.4 12.8 0.25 0.0
1934 21.1 11.1 2.74 0.0
1933 25.6 16.1 0.00 0.0
1932 21.1 5.0 0.00 0.0
1931 28.9 9.4 0.13 0.0
1930 22.8 10.0 0.00 0.0
1929 23.9 13.9 0.00 0.0
1928 21.1 10.0 0.30 0.0
1927 25.6 18.9 0.00 0.0
1926 24.4 17.2 0.05 0.0
1925 21.1 8.9 0.00 0.0
1924 20.6 12.8 1.55 0.0
1923 21.7 12.8 0.00 0.0
1922 28.3 11.1 0.00 0.0
1921 29.4 13.3 0.00 0.0
1920 28.9 15.0 0.69 0.0
1919 29.4 13.3 0.00 0.0
1918 23.3 15.6 1.47 0.0
1917 36.7 20.0 0.00 0.0
1916 37.8 22.8 0.00 0.0
1915 30.6 15.0 0.00 0.0
1914 26.7 10.6 0.00 0.0
1913 31.1 18.3 0.00 0.0
1912 22.2 11.7 0.00 0.0
1911 32.2 16.7 0.00 0.0
1910 24.4 17.2 0.10 0.0
1909 26.7 19.4 0.00 0.0
1908 35.6 20.0 0.00 0.0
1907 25.0 12.8 0.05 0.0
1906 28.3 18.3 1.57 0.0
1905 18.9 14.4 2.87 0.0
1904 25.6 6.7 0.00 0.0
1903 28.3 17.8 0.48 0.0
1902 32.2 15.6 0.00 0.0
1901 28.9 18.9 3.76 0.0
1900 27.8 17.8 0.20 0.0
1899 20.0 12.2 0.20 0.0
1898 24.4 16.1 0.00 0.0
1897 24.4 14.4 0.10 0.0
1896 28.9 17.8 0.64 0.0
1895 17.2 9.4 3.61 0.0
1894 27.8 16.1 0.41 0.0
1893 28.9 15.6 0.00 0.0
1892 26.7 12.2 0.00 0.0
1891 19.4 10.0 1.55 0.0
1890 32.8 17.8 1.22 0.0
What's the all-time high for Ottawa on 7/30?
For the date of Jul 30, the highest temperature ever reached in Ottawa history is 37.8 °C which happened in 1916.
Highest Temperatures in Ottawa on July 30
Rank Temperature Year
1 37.8 °C 1916
2 36.7 °C 1917
3 35.6 °C 1908
4 33.3 °C 1959
5 33.1 °C 1988
6 32.8 °C 1890
6 32.8 °C 1955
8 32.3 °C 2012
9 32.2 °C 1911
9 32.2 °C 1902
What's the all-time low for Ottawa on 7/30?
For the date of Jul 30, the lowest temperature ever reached in Ottawa history is 5.0 °C which happened in 1932.
Lowest Temperatures in Ottawa on July 30
Rank Temperature Year
1 5.0 °C 1932
2 6.1 °C 1952
3 6.7 °C 1904
4 7.8 °C 1968
4 7.8 °C 1965
6 8.9 °C 1925
7 9.4 °C 1956
7 9.4 °C 1931
7 9.4 °C 1895
10 9.5 °C 1978
Lowest High Temperatures in Ottawa on July 30
Rank Temperature Year
1 17.2 °C 1895
2 18.8 °C 1996
3 18.9 °C 1986
3 18.9 °C 1905
5 19.4 °C 1891
6 19.5 °C 2021
7 20.0 °C 1899
7 20.0 °C 1956
9 20.5 °C 1978
10 20.6 °C 1964
10 20.6 °C 1924
10 20.6 °C 1936
What's the most it has ever rained in Ottawa on 7/30?
For the date of Jul 30, the most precipitation ever recorded in Ottawa history is 3.76 cm which happened in 1901.
All-Time Most Precipitation in Ottawa on July 30
Rank Precipitation Year
1 3.76 cm 1901
2 3.61 cm 1895
3 2.87 cm 1905
4 2.74 cm 1934
5 2.56 cm 1994
6 2.03 cm 1939
7 1.57 cm 1906
8 1.55 cm 1924
8 1.55 cm 1891
10 1.50 cm 1990
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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