Ottawa March 20 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of March 20.
March 20 All-Time Records
1889–2024
Highest temperature 25.5 °C 2012
Lowest temperature -22.8 °C 1949
Lowest daily high -10.5 °C 1986
Highest daily low 6.8 °C 2012
Most precipitation 2.72 cm 2003
Most snow 17.8 cm 1896
March 20 Average Weather
1991–2020 1
Average high 3.7 °C
Average low -5.4 °C
Chance precipitation 36.1%
Chance snow 19.8%
Ottawa March 20 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2024 4.0 -1.0 0.00 0.0
2023 n/a n/a n/a n/a
2022 8.0 1.0 0.00 0.0
2021 14.0 -3.0 0.00 0.0
2020 n/a n/a n/a n/a
2019 6.5 -9.0 0.00 0.0
2018 0.0 -11.0 0.00 0.0
2017 5.0 -9.5 0.14 0.0
2016 1.2 -8.2 0.00 0.0
2015 4.2 -8.9 0.18 2.0
2014 3.2 -2.5 0.00 0.0
2013 0.1 -14.0 0.05 0.9
2012 25.5 6.8 0.00 0.0
2011 4.5 -7.4 0.16 1.6
2010 7.0 1.5 0.00 0.0
2009 1.1 -7.1 0.00 0.0
2008 4.0 -0.2 0.00 0.0
2007 -4.4 -15.0 0.00 0.0
2006 -2.9 -9.5 0.00 0.0
2005 7.5 -6.6 0.00 0.0
2004 1.3 -2.2 0.80 8.0
2003 1.3 -6.6 2.72 0.0
2002 1.9 -3.2 0.98 9.8
2001 8.5 -7.0 0.00 0.0
2000 7.1 0.9 0.00 0.0
1999 0.8 -7.1 0.00 0.0
1998 1.5 -2.8 0.00 0.0
1997 2.0 -8.6 0.00 0.0
1996 1.6 0.3 0.70 5.4
1995 14.7 0.5 0.20 0.0
1994 2.4 -7.7 0.00 0.0
1993 -1.9 -9.7 0.94 10.0
1992 0.6 -15.4 0.00 0.0
1991 1.8 -4.2 0.00 0.0
1990 5.5 -0.1 0.08 0.4
1989 -0.8 -11.6 0.66 6.6
1988 -9.6 -12.7 0.00 0.0
1987 4.4 -0.6 0.00 0.0
1986 -10.5 -18.5 0.00 0.0
1985 2.2 -1.5 0.00 0.0
1984 2.6 -1.5 0.00 0.0
1983 4.0 -1.0 0.00 0.0
1982 3.5 -2.5 0.00 0.0
1981 0.5 -9.5 0.06 0.6
1980 10.0 -2.0 0.30 0.0
1979 10.5 -4.0 0.00 0.0
1978 -3.0 -14.5 0.78 5.4
1977 4.4 -5.6 0.10 1.0
1976 7.8 -6.7 0.00 0.0
1975 3.9 -1.1 0.00 0.0
1974 -5.0 -15.0 0.13 1.3
1973 -2.2 -5.6 0.00 0.0
1972 -2.2 -15.0 0.03 0.5
1971 0.6 -3.9 0.28 3.0
1970 3.3 -8.3 1.17 5.3
1969 5.0 -3.9 0.28 0.0
1968 5.0 1.7 0.46 0.0
1967 2.8 -8.3 0.00 0.0
1966 4.4 1.1 0.18 0.0
1965 -7.8 -12.8 0.00 0.0
1964 3.3 -7.8 0.00 0.0
1963 -1.1 -6.1 0.51 11.2
1962 3.9 -9.4 0.00 0.0
1961 -1.1 -7.2 0.00 0.0
1960 0.0 -3.3 0.00 0.0
1959 6.7 -0.6 0.00 0.0
1958 2.8 -3.9 0.00 0.0
1957 0.6 -1.1 0.10 0.5
1956 2.2 -16.7 0.00 0.0
1955 4.4 -12.2 0.00 0.0
1954 1.1 -1.1 1.09 7.1
1953 10.0 -0.6 0.00 0.0
1952 3.9 1.1 0.00 0.0
1951 -0.6 -1.7 0.00 0.0
1950 1.7 -17.8 0.00 0.0
1949 -4.4 -22.8 0.64 6.4
1948 10.0 2.2 0.69 0.0
1947 1.7 -11.1 0.00 0.0
1946 12.8 -2.2 0.00 0.0
1945 5.0 3.3 0.38 0.0
1944 -2.2 -13.3 0.00 0.0
1943 2.2 -7.2 0.00 0.0
1942 2.2 -5.0 0.00 0.0
1941 -4.4 -11.1 0.00 0.0
1940 -1.7 -8.9 0.38 3.8
1939 -5.0 -12.2 0.30 3.0
1938 3.3 -1.1 1.07 0.0
1937 2.8 -1.7 0.05 0.5
1936 2.8 0.0 0.00 0.0
1935 4.4 -6.1 0.13 1.3
1934 -1.1 -16.7 0.51 5.1
1933 -1.1 -2.8 1.91 5.8
1932 -5.6 -18.9 0.00 0.0
1931 5.6 0.0 0.00 0.0
1930 3.9 -17.8 0.00 0.0
1929 1.7 -1.1 0.43 0.0
1928 1.7 -3.3 0.13 1.3
1927 5.0 -3.9 0.00 0.0
1926 3.9 -7.2 0.86 8.6
1925 0.6 -7.2 0.00 0.0
1924 2.8 -3.9 0.00 0.0
1923 -6.1 -21.1 0.00 0.0
1922 0.6 -1.1 0.97 5.1
1921 5.6 -3.3 2.39 0.0
1920 3.9 -3.3 0.51 5.1
1919 6.1 -2.8 0.00 0.0
1918 8.3 -7.2 0.00 0.0
1917 -8.3 -15.6 0.25 2.5
1916 -5.6 -22.8 0.00 0.0
1915 1.7 -6.7 0.00 0.0
1914 -10.0 -18.9 0.00 0.0
1913 7.8 1.1 0.00 0.0
1912 1.7 -9.4 0.00 0.0
1911 4.4 -2.2 0.33 1.8
1910 6.7 2.2 0.41 0.0
1909 1.1 -4.4 1.14 11.4
1908 -2.2 -16.7 0.00 0.0
1907 1.7 -3.9 0.00 0.0
1906 -0.6 -7.2 1.27 12.7
1905 0.0 -10.0 0.00 0.0
1904 2.8 -2.2 0.76 7.6
1903 13.3 4.4 0.00 0.0
1902 5.0 -4.4 0.00 0.0
1901 -1.1 -11.7 0.00 0.0
1900 4.4 -2.2 0.20 0.0
1899 -4.4 -11.1 0.00 0.0
1898 8.3 0.6 0.05 0.0
1897 2.2 1.1 1.02 0.0
1896 -0.6 -10.6 1.78 17.8
1895 -0.6 -10.0 0.00 0.0
1894 3.9 -3.3 0.00 0.0
1893 1.7 -10.0 0.00 0.0
1892 -6.1 -13.3 1.02 10.2
1891 -2.2 -15.6 0.25 2.5
1890 2.8 -7.8 0.00 0.0
What's the all-time high for Ottawa on 3/20?
For the date of Mar 20, the highest temperature ever reached in Ottawa history is 25.5 °C which happened in 2012.
Highest Temperatures in Ottawa on March 20
Rank Temperature Year
1 25.5 °C 2012
2 14.7 °C 1995
3 14.0 °C 2021
4 13.3 °C 1903
5 12.8 °C 1946
6 10.5 °C 1979
7 10.0 °C 1953
7 10.0 °C 1948
7 10.0 °C 1980
10 8.5 °C 2001
What's the all-time low for Ottawa on 3/20?
For the date of Mar 20, the lowest temperature ever reached in Ottawa history is -22.8 °C which has happened 2 times, most recently in 1949.
Lowest Temperatures in Ottawa on March 20
Rank Temperature Year
1 -22.8 °C 1949
1 -22.8 °C 1916
3 -21.1 °C 1923
4 -18.9 °C 1932
4 -18.9 °C 1914
6 -18.5 °C 1986
7 -17.8 °C 1950
7 -17.8 °C 1930
9 -16.7 °C 1956
9 -16.7 °C 1908
9 -16.7 °C 1934
Lowest High Temperatures in Ottawa on March 20
Rank Temperature Year
1 -10.5 °C 1986
2 -10.0 °C 1914
3 -9.6 °C 1988
4 -8.3 °C 1917
5 -7.8 °C 1965
6 -6.1 °C 1923
6 -6.1 °C 1892
8 -5.6 °C 1932
8 -5.6 °C 1916
10 -5.0 °C 1974
10 -5.0 °C 1939
What's the most it has ever rained in Ottawa on 3/20?
For the date of Mar 20, the most precipitation ever recorded in Ottawa history is 2.72 cm which happened in 2003.
All-Time Most Precipitation in Ottawa on March 20
Rank Precipitation Year
1 2.72 cm 2003
2 2.39 cm 1921
3 1.91 cm 1933
4 1.78 cm 1896
5 1.27 cm 1906
6 1.17 cm 1970
7 1.14 cm 1909
8 1.09 cm 1954
9 1.07 cm 1938
10 1.02 cm 1897
10 1.02 cm 1892
All-Time Most Snow in Ottawa on March 20
Rank Precipitation Year
1 17.8 cm 1896
2 12.7 cm 1906
3 11.4 cm 1909
4 11.2 cm 1963
5 10.2 cm 1892
6 10.0 cm 1993
7 9.8 cm 2002
8 8.6 cm 1926
9 8.0 cm 2004
10 7.6 cm 1904
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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