Ottawa June 18 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of June 18.
June 18 All-Time Records
1889–2024
Highest temperature 35.6 °C 1907
Lowest temperature 3.9 °C 1958
Lowest daily high 13.3 °C 1909
Highest daily low 22.6 °C 1990
Most precipitation 2.49 cm 1962
Most snow none -
June 18 Average Weather
1991–2020 1
Average high 24.8 °C
Average low 13.9 °C
Chance precipitation 42.2%
Chance snow 0%
Ottawa June 18 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 24.0 15.0 0.12 0.0
2022 16.0 9.0 0.00 0.0
2021 21.5 13.5 1.94 0.0
2020 32.0 12.5 0.00 0.0
2019 26.5 11.5 0.00 0.0
2018 29.0 21.0 0.26 0.0
2017 31.0 20.0 0.06 0.0
2016 32.0 11.0 0.00 0.0
2015 27.2 13.1 1.08 0.0
2014 24.8 15.9 0.00 0.0
2013 20.4 7.4 0.00 0.0
2012 26.2 19.0 0.76 0.0
2011 25.0 15.8 0.00 0.0
2010 28.4 15.6 0.00 0.0
2009 18.3 15.5 0.89 0.0
2008 19.0 12.0 2.46 0.0
2007 24.9 12.3 0.00 0.0
2006 31.4 18.0 0.00 0.0
2005 17.3 12.2 0.00 0.0
2004 27.7 19.1 0.00 0.0
2003 26.8 13.9 0.22 0.0
2002 21.7 12.6 0.00 0.0
2001 25.5 15.3 0.05 0.0
2000 16.1 12.8 0.24 0.0
1999 22.0 7.9 0.00 0.0
1998 25.5 18.3 0.11 0.0
1997 18.7 12.6 0.38 0.0
1996 25.2 16.3 0.00 0.0
1995 31.8 17.2 0.00 0.0
1994 33.9 21.0 0.00 0.0
1993 19.3 16.7 0.83 0.0
1992 26.6 19.1 0.00 0.0
1991 29.7 13.5 0.00 0.0
1990 30.3 22.6 0.00 0.0
1989 18.1 13.0 0.02 0.0
1988 28.5 9.8 0.00 0.0
1987 27.9 9.6 0.08 0.0
1986 20.7 8.8 0.00 0.0
1985 25.0 14.4 0.00 0.0
1984 24.8 16.8 0.62 0.0
1983 27.0 12.0 0.00 0.0
1982 22.5 15.0 0.62 0.0
1981 24.0 13.5 0.00 0.0
1980 16.5 9.0 0.36 0.0
1979 23.5 11.5 0.00 0.0
1978 26.0 18.0 1.14 0.0
1977 19.5 14.5 1.32 0.0
1976 25.6 12.8 0.00 0.0
1975 27.8 20.6 0.00 0.0
1974 19.4 9.4 0.15 0.0
1973 21.1 10.6 0.00 0.0
1972 25.0 8.3 0.00 0.0
1971 28.3 13.3 0.00 0.0
1970 27.8 20.0 0.00 0.0
1969 20.0 11.1 0.15 0.0
1968 24.4 11.7 0.74 0.0
1967 21.1 12.8 0.00 0.0
1966 24.4 8.3 0.00 0.0
1965 25.0 10.0 0.00 0.0
1964 23.9 7.8 0.00 0.0
1963 22.2 11.7 0.00 0.0
1962 16.1 10.6 2.49 0.0
1961 26.7 11.1 0.08 0.0
1960 18.3 10.6 0.00 0.0
1959 20.0 12.8 0.00 0.0
1958 21.1 3.9 0.00 0.0
1957 32.8 18.3 0.36 0.0
1956 18.9 7.2 0.00 0.0
1955 31.1 16.7 0.00 0.0
1954 26.7 12.2 0.00 0.0
1953 23.3 18.3 0.00 0.0
1952 21.7 15.6 0.15 0.0
1951 29.4 13.9 0.00 0.0
1950 18.3 5.6 0.00 0.0
1949 30.0 18.9 0.00 0.0
1948 21.1 8.9 0.05 0.0
1947 20.0 8.3 0.18 0.0
1946 17.2 11.1 0.00 0.0
1945 15.0 13.9 0.76 0.0
1944 20.0 8.3 0.00 0.0
1943 25.0 13.3 0.00 0.0
1942 25.0 11.7 0.97 0.0
1941 30.0 12.2 0.00 0.0
1940 24.4 17.8 0.13 0.0
1939 20.6 7.2 0.00 0.0
1938 27.8 13.9 0.20 0.0
1937 18.3 14.4 1.22 0.0
1936 26.1 12.2 0.00 0.0
1935 20.6 8.9 1.04 0.0
1934 26.7 13.3 2.31 0.0
1933 23.9 9.4 0.00 0.0
1932 29.4 10.0 0.00 0.0
1931 23.9 8.3 0.00 0.0
1930 22.2 17.2 1.65 0.0
1929 32.8 18.3 0.10 0.0
1928 25.6 7.2 0.00 0.0
1927 25.0 8.3 0.00 0.0
1926 23.3 14.4 0.25 0.0
1925 22.8 15.6 0.08 0.0
1924 22.2 13.3 0.00 0.0
1923 32.2 12.8 0.00 0.0
1922 16.1 12.8 0.23 0.0
1921 27.2 12.2 0.00 0.0
1920 17.8 11.1 0.64 0.0
1919 34.4 17.2 0.00 0.0
1918 24.4 7.2 0.00 0.0
1917 25.6 10.6 0.00 0.0
1916 24.4 12.8 0.15 0.0
1915 23.9 11.1 0.00 0.0
1914 30.0 9.4 0.00 0.0
1913 23.3 5.0 0.00 0.0
1912 17.8 8.3 0.00 0.0
1911 27.8 11.1 0.00 0.0
1910 26.7 16.1 0.46 0.0
1909 13.3 4.4 0.20 0.0
1908 28.9 7.8 0.00 0.0
1907 35.6 17.8 0.91 0.0
1906 25.0 12.8 0.53 0.0
1905 27.2 19.4 0.00 0.0
1904 25.0 13.9 0.00 0.0
1903 17.2 7.8 0.00 0.0
1902 25.6 7.2 0.00 0.0
1901 20.6 12.2 0.00 0.0
1900 23.9 10.0 0.00 0.0
1899 26.1 10.0 0.00 0.0
1898 22.8 14.4 0.00 0.0
1897 24.4 10.6 0.00 0.0
1896 29.4 14.4 0.00 0.0
1895 30.6 13.9 0.00 0.0
1894 25.0 16.1 2.46 0.0
1893 29.4 15.6 0.00 0.0
1892 24.4 10.0 0.13 0.0
1891 26.1 13.3 0.00 0.0
1890 26.1 15.6 0.00 0.0
What's the all-time high for Ottawa on 6/18?
For the date of Jun 18, the highest temperature ever reached in Ottawa history is 35.6 °C which happened in 1907.
Highest Temperatures in Ottawa on June 18
Rank Temperature Year
1 35.6 °C 1907
2 34.4 °C 1919
3 33.9 °C 1994
4 32.8 °C 1957
4 32.8 °C 1929
6 32.2 °C 1923
7 32.0 °C 2020
7 32.0 °C 2016
9 31.8 °C 1995
10 31.4 °C 2006
What's the all-time low for Ottawa on 6/18?
For the date of Jun 18, the lowest temperature ever reached in Ottawa history is 3.9 °C which happened in 1958.
Lowest Temperatures in Ottawa on June 18
Rank Temperature Year
1 3.9 °C 1958
2 4.4 °C 1909
3 5.0 °C 1913
4 5.6 °C 1950
5 7.2 °C 1956
5 7.2 °C 1939
5 7.2 °C 1928
5 7.2 °C 1902
5 7.2 °C 1918
10 7.4 °C 2013
Lowest High Temperatures in Ottawa on June 18
Rank Temperature Year
1 13.3 °C 1909
2 15.0 °C 1945
3 16.0 °C 2022
4 16.1 °C 2000
4 16.1 °C 1962
4 16.1 °C 1922
7 16.5 °C 1980
8 17.2 °C 1946
8 17.2 °C 1903
10 17.3 °C 2005
What's the most it has ever rained in Ottawa on 6/18?
For the date of Jun 18, the most precipitation ever recorded in Ottawa history is 2.49 cm which happened in 1962.
All-Time Most Precipitation in Ottawa on June 18
Rank Precipitation Year
1 2.49 cm 1962
2 2.46 cm 2008
2 2.46 cm 1894
4 2.31 cm 1934
5 1.94 cm 2021
6 1.65 cm 1930
7 1.32 cm 1977
8 1.22 cm 1937
9 1.14 cm 1978
10 1.08 cm 2015
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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