Ottawa March 15 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of March 15.
March 15 All-Time Records
1889–2024
Highest temperature 14.0 °C 1995
Lowest temperature -25.0 °C 1900
Lowest daily high -11.1 °C 1900
Highest daily low 4.5 °C 2024
Most precipitation 3.25 cm 1948
Most snow 19.1 cm 1912
March 15 Average Weather
1991–2020 1
Average high 2.3 °C
Average low -7.0 °C
Chance precipitation 36.7%
Chance snow 23.1%
Ottawa March 15 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2024 12.5 4.5 0.10 0.0
2023 5.0 -6.0 0.00 0.0
2022 6.0 -3.0 0.00 0.0
2021 -5.0 -15.0 0.00 0.0
2020 0.5 -9.0 0.62 7.0
2019 8.0 1.5 0.40 0.0
2018 1.5 -2.0 0.00 0.0
2017 -5.0 -11.0 0.02 1.0
2016 4.4 1.0 0.76 0.0
2015 2.0 -2.0 0.00 0.0
2014 1.8 -2.5 0.00 0.0
2013 1.5 -12.0 0.30 3.0
2012 4.6 -0.8 1.98 0.0
2011 5.3 -8.1 0.04 0.0
2010 13.8 3.8 0.00 0.0
2009 9.7 -3.4 0.00 0.0
2008 3.2 -4.7 0.10 0.6
2007 -1.5 -5.5 0.00 0.0
2006 -2.5 -5.8 0.00 0.0
2005 3.0 -6.5 0.00 0.0
2004 3.9 -1.0 0.00 0.0
2003 1.4 -9.6 0.00 0.0
2002 -2.2 -5.7 0.00 0.0
2001 4.5 -1.4 0.00 0.0
2000 2.5 -0.3 0.45 0.0
1999 2.8 -10.0 0.00 0.0
1998 -1.0 -7.2 0.00 0.0
1997 -5.3 -11.8 0.00 0.0
1996 -2.4 -4.7 0.00 0.0
1995 14.0 2.9 0.00 0.0
1994 3.3 -1.3 0.28 2.6
1993 -3.4 -24.5 0.00 0.0
1992 -9.0 -18.3 0.00 0.0
1991 6.1 1.6 0.00 0.0
1990 9.3 1.2 0.00 0.0
1989 10.0 1.9 0.56 3.4
1988 3.5 -6.4 0.00 0.0
1987 3.7 -9.3 0.00 0.0
1986 2.9 1.2 0.27 0.0
1985 -4.4 -11.0 0.00 0.0
1984 -1.2 -15.1 0.02 0.0
1983 3.0 1.0 0.42 0.0
1982 3.0 -7.5 0.00 0.0
1981 5.5 -7.0 0.32 1.0
1980 -6.5 -10.5 0.00 0.0
1979 -9.5 -17.5 0.00 0.0
1978 0.5 -5.0 0.00 0.0
1977 3.9 1.7 0.36 0.0
1976 -1.1 -5.0 0.00 0.0
1975 2.8 -8.3 0.00 0.0
1974 0.0 -10.6 0.00 0.0
1973 7.2 0.0 0.41 0.0
1972 3.3 -4.4 0.00 0.0
1971 8.9 -1.7 0.08 0.0
1970 -3.9 -8.9 0.05 0.5
1969 3.9 -2.2 0.00 0.0
1968 6.1 -11.1 0.13 0.0
1967 0.6 -5.6 0.00 0.0
1966 -1.1 -12.8 0.00 0.0
1965 0.6 -4.4 0.00 0.0
1964 3.9 1.1 0.00 0.0
1963 -1.7 -10.6 0.00 0.0
1962 4.4 -3.3 0.00 0.0
1961 2.2 -2.8 0.18 1.3
1960 1.7 -8.3 0.00 0.0
1959 5.0 -8.9 0.05 0.0
1958 0.6 -2.2 1.52 15.2
1957 6.7 0.6 0.53 0.0
1956 -6.7 -13.9 0.00 0.0
1955 3.3 -7.2 0.71 0.0
1954 -1.1 -7.2 0.00 0.0
1953 3.3 -1.1 1.35 0.0
1952 -5.6 -14.4 0.05 0.5
1951 1.7 0.6 1.80 16.5
1950 -2.8 -13.3 0.00 0.0
1949 -6.1 -12.2 0.00 0.0
1948 3.9 -7.8 3.25 0.0
1947 0.0 -2.8 0.00 0.0
1946 7.2 2.2 0.00 0.0
1945 8.9 1.1 0.00 0.0
1944 -1.1 -8.3 0.00 0.0
1943 -3.9 -7.8 2.67 2.5
1942 2.8 -3.9 0.00 0.0
1941 2.8 -16.1 0.00 0.0
1940 -1.7 -3.3 0.00 0.0
1939 0.6 -11.7 0.41 4.1
1938 -3.9 -14.4 0.00 0.0
1937 -0.6 -7.8 0.51 5.1
1936 3.9 -7.8 0.20 0.0
1935 -1.7 -14.4 0.00 0.0
1934 1.1 -18.9 0.00 0.0
1933 0.0 -3.9 0.00 0.0
1932 -10.6 -19.4 0.00 0.0
1931 2.2 -4.4 0.00 0.0
1930 0.6 -10.0 0.00 0.0
1929 8.9 0.0 0.74 0.0
1928 2.8 -4.4 0.00 0.0
1927 8.3 -0.6 0.00 0.0
1926 -2.8 -12.2 0.00 0.0
1925 -2.8 -13.9 0.00 0.0
1924 -2.8 -11.1 0.00 0.0
1923 -5.0 -20.0 0.00 0.0
1922 6.1 -2.2 0.00 0.0
1921 0.0 -3.9 0.41 2.5
1920 0.0 -15.0 0.00 0.0
1919 -3.9 -17.2 0.00 0.0
1918 -1.7 -17.2 0.25 2.5
1917 2.8 -2.8 0.38 3.8
1916 -8.9 -16.7 0.00 0.0
1915 1.7 -8.9 0.00 0.0
1914 4.4 -3.9 0.15 0.0
1913 5.0 1.7 0.69 0.0
1912 0.6 -2.2 1.91 19.1
1911 3.3 -7.2 0.00 0.0
1910 -4.4 -12.8 0.00 0.0
1909 0.0 -9.4 0.00 0.0
1908 2.2 -1.1 2.87 0.0
1907 2.8 -11.1 0.13 1.3
1906 -7.2 -15.0 0.00 0.0
1905 -0.6 -22.2 0.00 0.0
1904 1.7 -6.1 0.00 0.0
1903 3.9 -6.7 0.00 0.0
1902 5.0 -6.1 0.00 0.0
1901 1.1 -5.6 0.25 2.5
1900 -11.1 -25.0 0.00 0.0
1899 0.6 -8.9 1.02 10.2
1898 0.6 -5.6 0.00 0.0
1897 -6.1 -14.4 0.00 0.0
1896 -4.4 -18.9 0.00 0.0
1895 -7.8 -23.3 0.00 0.0
1894 -1.1 -12.2 0.00 0.0
1893 1.7 -15.0 0.30 0.0
1892 -11.1 -18.9 0.00 0.0
1891 -2.8 -12.2 0.00 0.0
1890 1.7 -5.0 0.08 0.0
What's the all-time high for Ottawa on 3/15?
For the date of Mar 15, the highest temperature ever reached in Ottawa history is 14.0 °C which happened in 1995.
Highest Temperatures in Ottawa on March 15
Rank Temperature Year
1 14.0 °C 1995
2 13.8 °C 2010
3 12.5 °C 2024
4 10.0 °C 1989
5 9.7 °C 2009
6 9.3 °C 1990
7 8.9 °C 1929
7 8.9 °C 1945
7 8.9 °C 1971
10 8.3 °C 1927
What's the all-time low for Ottawa on 3/15?
For the date of Mar 15, the lowest temperature ever reached in Ottawa history is -25.0 °C which happened in 1900.
Lowest Temperatures in Ottawa on March 15
Rank Temperature Year
1 -25.0 °C 1900
2 -24.5 °C 1993
3 -23.3 °C 1895
4 -22.2 °C 1905
5 -20.0 °C 1923
6 -19.4 °C 1932
7 -18.9 °C 1892
7 -18.9 °C 1934
7 -18.9 °C 1896
10 -18.3 °C 1992
Lowest High Temperatures in Ottawa on March 15
Rank Temperature Year
1 -11.1 °C 1892
1 -11.1 °C 1900
3 -10.6 °C 1932
4 -9.5 °C 1979
5 -9.0 °C 1992
6 -8.9 °C 1916
7 -7.8 °C 1895
8 -7.2 °C 1906
9 -6.7 °C 1956
10 -6.5 °C 1980
What's the most it has ever rained in Ottawa on 3/15?
For the date of Mar 15, the most precipitation ever recorded in Ottawa history is 3.25 cm which happened in 1948.
All-Time Most Precipitation in Ottawa on March 15
Rank Precipitation Year
1 3.25 cm 1948
2 2.87 cm 1908
3 2.67 cm 1943
4 1.98 cm 2012
5 1.91 cm 1912
6 1.80 cm 1951
7 1.52 cm 1958
8 1.35 cm 1953
9 1.02 cm 1899
10 0.76 cm 2016
All-Time Most Snow in Ottawa on March 15
Rank Precipitation Year
1 19.1 cm 1912
2 16.5 cm 1951
3 15.2 cm 1958
4 10.2 cm 1899
5 7.0 cm 2020
6 5.1 cm 1937
7 4.1 cm 1939
8 3.8 cm 1917
9 3.4 cm 1989
10 3.0 cm 2013
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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