Ottawa March 12 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of March 12.
March 12 All-Time Records
1889–2024
Highest temperature 11.9 °C 2012
Lowest temperature -26.6 °C 1984
Lowest daily high -15.8 °C 1984
Highest daily low 2.8 °C 1898
Most precipitation 4.88 cm 1962
Most snow 28.4 cm 1962
March 12 Average Weather
1991–2020 1
Average high 1.3 °C
Average low -8.0 °C
Chance precipitation 37.2%
Chance snow 25.3%
Ottawa March 12 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2024 11.0 -2.0 0.00 0.0
2023 4.0 -10.5 0.06 2.0
2022 -4.0 -11.0 0.00 0.0
2021 7.0 1.0 0.00 0.0
2020 3.0 -3.0 0.60 0.0
2019 0.0 -7.5 0.00 0.0
2018 2.0 -5.0 0.50 3.0
2017 -11.0 -18.0 0.00 0.0
2016 9.7 -5.0 0.00 0.0
2015 -2.6 -7.4 0.00 0.0
2014 -4.3 -10.2 0.62 8.1
2013 5.1 2.0 0.00 0.0
2012 11.9 -1.0 0.40 0.0
2011 4.5 -1.0 0.04 0.4
2010 7.2 0.9 0.00 0.0
2009 -6.8 -11.6 0.00 0.0
2008 -0.6 -3.2 0.00 0.0
2007 7.6 -3.2 0.00 0.0
2006 6.8 -2.2 0.42 0.0
2005 1.5 -8.1 0.00 0.0
2004 3.6 0.0 0.00 0.0
2003 0.5 -4.6 0.10 1.0
2002 3.2 -4.3 0.00 0.0
2001 -5.4 -16.0 0.40 4.0
2000 2.4 -2.6 0.24 2.0
1999 -4.8 -10.7 0.06 0.6
1998 -13.2 -16.0 0.00 0.0
1997 -5.1 -12.6 0.00 0.0
1996 7.4 -9.4 0.00 0.0
1995 3.7 -7.8 0.00 0.0
1994 -0.5 -17.6 0.50 6.0
1993 -9.6 -22.4 0.00 0.0
1992 -13.8 -17.1 0.06 0.8
1991 1.8 -9.2 0.00 0.0
1990 6.3 1.4 0.50 0.0
1989 -5.2 -11.3 0.00 0.0
1988 -4.0 -12.7 0.14 1.8
1987 0.6 -12.4 0.00 0.0
1986 -0.5 -11.3 0.00 0.0
1985 3.6 -1.0 2.10 4.4
1984 -15.8 -26.6 0.00 0.0
1983 4.0 -3.0 0.00 0.0
1982 4.5 1.5 0.00 0.0
1981 2.0 -6.0 0.76 8.4
1980 -5.5 -16.0 0.00 0.0
1979 -7.0 -9.0 0.06 0.2
1978 2.0 -1.0 0.00 0.0
1977 10.0 0.6 0.08 0.0
1976 2.8 -20.6 1.30 2.5
1975 3.9 -11.7 0.30 0.3
1974 -4.4 -12.8 0.00 0.0
1973 6.7 1.1 0.56 0.0
1972 4.4 -7.2 0.00 0.0
1971 1.1 -16.1 0.00 n/a
1970 0.6 -8.3 0.00 0.0
1969 -2.2 -13.3 0.05 0.5
1968 -3.9 -12.8 0.91 17.8
1967 -4.4 -12.2 0.00 0.0
1966 -1.1 -7.2 1.17 8.1
1965 -1.7 -12.2 0.00 0.0
1964 2.2 -8.3 0.00 0.0
1963 -1.1 -8.9 0.25 2.0
1962 0.0 -1.7 4.88 28.4
1961 0.6 -16.1 0.00 0.0
1960 -2.2 -16.1 0.00 0.0
1959 -5.6 -12.2 0.81 8.1
1958 1.7 -3.9 0.00 0.0
1957 6.7 -5.6 0.00 0.0
1956 -7.2 -15.0 0.00 0.0
1955 -2.8 -11.1 0.71 7.1
1954 -3.3 -13.3 0.51 5.1
1953 5.0 -6.1 0.46 0.0
1952 1.1 -3.3 0.00 0.0
1951 8.9 -2.2 0.00 0.0
1950 -4.4 -9.4 0.00 0.0
1949 -7.2 -9.4 0.00 0.0
1948 -5.6 -24.4 0.00 0.0
1947 3.3 -9.4 0.00 0.0
1946 6.1 -8.3 0.00 0.0
1945 -1.7 -7.8 0.91 9.1
1944 6.7 -10.6 0.10 0.0
1943 2.2 -5.0 0.00 0.0
1942 1.7 -1.7 0.00 0.0
1941 -2.8 -6.7 0.00 0.0
1940 -6.7 -18.3 0.00 0.0
1939 -2.8 -12.2 0.69 6.9
1938 2.2 -4.4 0.00 0.0
1937 -3.9 -20.0 0.00 0.0
1936 3.9 0.0 0.89 5.1
1935 1.1 -1.7 0.00 0.0
1934 -3.3 -15.6 0.76 7.6
1933 -5.0 -13.9 0.00 0.0
1932 -5.0 -17.8 0.00 0.0
1931 1.7 -6.7 0.00 0.0
1930 4.4 0.0 0.23 0.0
1929 6.1 -12.2 0.00 0.0
1928 5.6 -4.4 0.00 0.0
1927 7.2 0.0 0.00 0.0
1926 -3.9 -12.8 0.00 0.0
1925 2.8 -8.3 0.00 0.0
1924 4.4 0.6 0.00 0.0
1923 -5.0 -11.1 1.40 14.0
1922 2.8 -5.0 0.00 0.0
1921 7.2 -1.1 0.30 0.0
1920 5.0 1.7 0.69 0.0
1919 2.8 -5.6 0.00 0.0
1918 -3.9 -10.6 0.38 3.8
1917 0.0 -9.4 1.27 12.7
1916 -7.8 -22.8 0.25 2.5
1915 0.0 -13.3 0.00 0.0
1914 -2.8 -18.9 0.00 0.0
1913 5.0 -6.7 0.00 0.0
1912 -0.6 -9.4 0.00 0.0
1911 3.3 -6.7 0.13 1.3
1910 5.6 -6.7 0.00 0.0
1909 0.6 -9.4 0.00 0.0
1908 3.3 -1.1 0.00 0.0
1907 1.7 -11.7 0.00 0.0
1906 -3.3 -12.8 0.05 0.5
1905 -5.0 -20.0 0.00 0.0
1904 -5.6 -16.7 0.00 0.0
1903 4.4 -3.9 0.00 0.0
1902 5.0 1.1 1.45 0.0
1901 0.6 -3.3 0.38 3.8
1900 -11.1 -23.9 0.00 0.0
1899 5.0 0.6 0.84 0.0
1898 6.7 2.8 1.02 0.0
1897 4.4 -6.1 0.86 7.6
1896 -11.1 -15.6 0.25 2.5
1895 -3.9 -11.1 0.00 0.0
1894 3.3 -0.6 0.00 0.0
1893 3.9 1.1 1.73 0.0
1892 -9.4 -15.6 0.00 0.0
1891 3.9 1.7 0.76 0.0
1890 5.0 0.6 0.08 0.0
What's the all-time high for Ottawa on 3/12?
For the date of Mar 12, the highest temperature ever reached in Ottawa history is 11.9 °C which happened in 2012.
Highest Temperatures in Ottawa on March 12
Rank Temperature Year
1 11.9 °C 2012
2 11.0 °C 2024
3 10.0 °C 1977
4 9.7 °C 2016
5 8.9 °C 1951
6 7.6 °C 2007
7 7.4 °C 1996
8 7.2 °C 1927
8 7.2 °C 2010
8 7.2 °C 1921
What's the all-time low for Ottawa on 3/12?
For the date of Mar 12, the lowest temperature ever reached in Ottawa history is -26.6 °C which happened in 1984.
Lowest Temperatures in Ottawa on March 12
Rank Temperature Year
1 -26.6 °C 1984
2 -24.4 °C 1948
3 -23.9 °C 1900
4 -22.8 °C 1916
5 -22.4 °C 1993
6 -20.6 °C 1976
7 -20.0 °C 1937
7 -20.0 °C 1905
9 -18.9 °C 1914
10 -18.3 °C 1940
Lowest High Temperatures in Ottawa on March 12
Rank Temperature Year
1 -15.8 °C 1984
2 -13.8 °C 1992
3 -13.2 °C 1998
4 -11.1 °C 1900
4 -11.1 °C 1896
6 -11.0 °C 2017
7 -9.6 °C 1993
8 -9.4 °C 1892
9 -7.8 °C 1916
10 -7.2 °C 1956
10 -7.2 °C 1949
What's the most it has ever rained in Ottawa on 3/12?
For the date of Mar 12, the most precipitation ever recorded in Ottawa history is 4.88 cm which happened in 1962.
All-Time Most Precipitation in Ottawa on March 12
Rank Precipitation Year
1 4.88 cm 1962
2 2.10 cm 1985
3 1.73 cm 1893
4 1.45 cm 1902
5 1.40 cm 1923
6 1.30 cm 1976
7 1.27 cm 1917
8 1.17 cm 1966
9 1.02 cm 1898
10 0.91 cm 1968
10 0.91 cm 1945
All-Time Most Snow in Ottawa on March 12
Rank Precipitation Year
1 28.4 cm 1962
2 17.8 cm 1968
3 14.0 cm 1923
4 12.7 cm 1917
5 9.1 cm 1945
6 8.4 cm 1981
7 8.1 cm 1959
7 8.1 cm 2014
7 8.1 cm 1966
10 7.6 cm 1934
10 7.6 cm 1897
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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