Ottawa April 15 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of April 15.
April 15 All-Time Records
1889–2024
Highest temperature 25.0 °C 2023
Lowest temperature -12.2 °C 1926
Lowest daily high -1.1 °C 1943
Highest daily low 11.7 °C 1941
Most precipitation 4.83 cm 1956
Most snow 12.7 cm 1893
April 15 Average Weather
1991–2020 1
Average high 11.1 °C
Average low 1.2 °C
Chance precipitation 41.2%
Chance snow 8.3%
Ottawa April 15 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 25.0 8.5 0.00 0.0
2022 14.0 2.0 0.00 0.0
2021 11.0 8.0 2.04 0.0
2020 n/a n/a n/a n/a
2019 4.0 1.5 0.22 0.0
2018 0.0 -4.5 0.00 0.0
2017 17.0 0.5 1.58 0.0
2016 14.5 -0.5 0.00 0.0
2015 13.2 3.4 0.00 0.0
2014 2.4 -3.7 0.70 0.0
2013 13.5 -2.1 0.20 0.0
2012 19.9 7.0 0.04 0.0
2011 5.0 -4.4 0.00 0.0
2010 14.9 1.9 0.16 0.0
2009 14.9 1.5 0.00 0.0
2008 13.1 -2.0 0.00 0.0
2007 5.4 1.9 2.99 10.0
2006 14.0 8.9 0.00 0.0
2005 14.2 -0.6 0.00 0.0
2004 10.6 0.0 0.00 0.0
2003 24.5 9.0 1.34 0.0
2002 22.0 10.7 0.00 0.0
2001 13.1 0.1 0.00 0.0
2000 22.4 7.8 0.04 0.0
1999 13.0 1.8 0.00 0.0
1998 19.7 6.5 0.00 0.0
1997 12.8 -5.0 0.00 0.0
1996 10.1 -3.0 0.26 0.0
1995 5.2 -0.3 0.00 0.0
1994 20.5 -0.2 1.40 0.0
1993 10.7 3.0 0.00 0.0
1992 8.5 -3.3 0.00 0.0
1991 9.2 5.5 1.50 0.0
1990 11.4 3.9 0.12 0.0
1989 11.6 3.5 0.06 0.0
1988 7.9 1.1 0.13 0.0
1987 17.5 8.7 0.00 0.0
1986 16.7 2.0 0.00 0.0
1985 18.6 5.1 0.22 0.0
1984 7.7 6.5 0.24 0.0
1983 12.0 4.5 0.72 0.0
1982 13.5 2.0 0.00 0.0
1981 4.0 -6.5 0.00 0.0
1980 8.0 5.0 0.06 0.0
1979 9.5 3.0 0.54 0.0
1978 5.5 -1.0 0.00 0.0
1977 13.3 -0.6 0.00 0.0
1976 22.2 7.2 0.08 0.0
1975 10.0 -4.4 0.00 0.0
1974 6.1 5.0 0.00 0.0
1973 15.0 -1.7 0.00 0.0
1972 2.2 1.1 0.56 0.0
1971 6.1 -5.0 0.00 0.0
1970 12.2 1.1 0.00 0.0
1969 22.8 3.3 0.00 0.0
1968 12.8 7.2 0.00 0.0
1967 7.2 3.3 0.36 0.0
1966 13.9 1.1 0.00 0.0
1965 8.9 -1.1 1.37 0.0
1964 15.6 1.7 0.00 0.0
1963 12.8 0.6 0.00 0.0
1962 4.4 0.0 0.00 0.0
1961 8.3 -0.6 0.00 0.0
1960 15.0 4.4 0.00 0.0
1959 16.1 -2.8 0.00 0.0
1958 21.7 0.0 0.00 0.0
1957 10.0 -7.2 0.00 0.0
1956 6.7 1.1 4.83 0.0
1955 15.6 9.4 0.18 0.0
1954 10.0 -2.2 1.88 0.0
1953 12.8 -0.6 0.00 0.0
1952 12.8 3.3 0.00 0.0
1951 6.7 2.8 1.04 0.0
1950 8.9 -2.2 0.00 0.0
1949 8.9 1.7 1.85 0.0
1948 12.2 1.7 0.00 0.0
1947 6.7 -1.1 0.00 0.0
1946 15.6 4.4 0.20 0.0
1945 6.7 -4.4 0.00 0.0
1944 5.6 -8.3 0.00 0.0
1943 -1.1 -8.9 0.00 0.0
1942 11.7 4.4 0.48 0.0
1941 22.8 11.7 0.00 0.0
1940 5.6 -6.1 0.86 0.0
1939 2.2 0.0 0.00 0.0
1938 12.8 7.8 0.81 0.0
1937 5.6 0.6 0.05 0.0
1936 10.6 3.9 1.17 0.0
1935 12.2 0.0 1.19 8.9
1934 7.8 -1.7 1.12 0.0
1933 12.8 2.8 0.00 0.0
1932 4.4 -3.9 0.00 0.0
1931 13.3 -3.9 0.00 0.0
1930 4.4 -7.2 0.00 0.0
1929 6.1 -3.9 0.00 0.0
1928 3.3 -10.6 0.66 0.0
1927 18.3 -3.9 0.00 0.0
1926 1.7 -12.2 0.05 0.5
1925 12.8 0.6 0.46 0.0
1924 9.4 -2.2 0.00 0.0
1923 3.9 -5.6 0.00 0.0
1922 8.9 4.4 0.71 0.0
1921 20.6 10.0 0.15 0.0
1920 10.6 0.0 0.10 0.0
1919 9.4 -1.7 0.00 0.0
1918 22.8 2.8 0.00 0.0
1917 6.7 -0.6 0.00 0.0
1916 12.8 -5.0 0.00 0.0
1915 16.7 -1.1 0.00 0.0
1914 6.7 -1.1 0.00 0.0
1913 16.7 0.0 0.00 0.0
1912 19.4 2.2 1.02 0.0
1911 11.1 -0.6 0.13 0.0
1910 15.6 3.3 0.00 0.0
1909 8.3 -1.1 0.00 0.0
1908 12.8 -1.1 0.38 0.0
1907 5.6 -5.6 0.00 0.0
1906 13.3 5.6 0.28 0.0
1905 7.8 -2.8 0.00 0.0
1904 1.7 -6.1 0.00 0.0
1903 13.9 4.4 0.08 0.0
1902 15.0 -1.1 0.00 0.0
1901 16.7 3.9 0.00 0.0
1900 11.1 -1.1 0.00 0.0
1899 8.3 1.1 0.00 0.0
1898 16.7 6.1 0.00 0.0
1897 7.8 2.8 0.05 0.0
1896 22.2 6.1 0.00 0.0
1895 6.1 3.9 0.28 0.0
1894 17.8 -0.6 0.00 0.0
1893 1.7 -3.3 1.27 12.7
1892 9.4 -2.2 0.00 0.0
1891 4.4 2.2 0.00 0.0
1890 7.8 -0.6 0.08 0.0
What's the all-time high for Ottawa on 4/15?
For the date of Apr 15, the highest temperature ever reached in Ottawa history is 25.0 °C which happened in 2023.
Highest Temperatures in Ottawa on April 15
Rank Temperature Year
1 25.0 °C 2023
2 24.5 °C 2003
3 22.8 °C 1941
3 22.8 °C 1969
3 22.8 °C 1918
6 22.4 °C 2000
7 22.2 °C 1896
7 22.2 °C 1976
9 22.0 °C 2002
10 21.7 °C 1958
What's the all-time low for Ottawa on 4/15?
For the date of Apr 15, the lowest temperature ever reached in Ottawa history is -12.2 °C which happened in 1926.
Lowest Temperatures in Ottawa on April 15
Rank Temperature Year
1 -12.2 °C 1926
2 -10.6 °C 1928
3 -8.9 °C 1943
4 -8.3 °C 1944
5 -7.2 °C 1957
5 -7.2 °C 1930
7 -6.5 °C 1981
8 -6.1 °C 1904
8 -6.1 °C 1940
10 -5.6 °C 1907
10 -5.6 °C 1923
Lowest High Temperatures in Ottawa on April 15
Rank Temperature Year
1 -1.1 °C 1943
2 0.0 °C 2018
3 1.7 °C 1926
3 1.7 °C 1904
3 1.7 °C 1893
6 2.2 °C 1972
6 2.2 °C 1939
8 2.4 °C 2014
9 3.3 °C 1928
10 3.9 °C 1923
What's the most it has ever rained in Ottawa on 4/15?
For the date of Apr 15, the most precipitation ever recorded in Ottawa history is 4.83 cm which happened in 1956.
All-Time Most Precipitation in Ottawa on April 15
Rank Precipitation Year
1 4.83 cm 1956
2 2.99 cm 2007
3 2.04 cm 2021
4 1.88 cm 1954
5 1.85 cm 1949
6 1.58 cm 2017
7 1.50 cm 1991
8 1.40 cm 1994
9 1.37 cm 1965
10 1.34 cm 2003
All-Time Most Snow in Ottawa on April 15
Rank Precipitation Year
1 12.7 cm 1893
2 10.0 cm 2007
3 8.9 cm 1935
4 0.5 cm 1926
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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