Ottawa December 12 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of December 12.
December 12 All-Time Records
1889–2024
Highest temperature 11.1 °C 1946
Lowest temperature -31.7 °C 1917
Lowest daily high -19.4 °C 1933
Highest daily low 4.3 °C 2015
Most precipitation 2.18 cm 2010
Most snow 15.0 cm 1959
December 12 Average Weather
1991–2020 1
Average high -0.7 °C
Average low -7.5 °C
Chance precipitation 49.8%
Chance snow 33.7%
Ottawa December 12 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 3.0 -8.0 0.20 0.0
2022 -3.0 -7.0 0.00 0.0
2021 6.5 -1.0 0.00 0.0
2020 7.0 0.0 0.42 0.0
2019 -2.5 -12.0 0.00 0.0
2018 -5.0 -9.5 0.00 0.0
2017 -6.0 -12.5 0.52 8.6
2016 -2.0 -6.5 0.16 3.0
2015 6.7 4.3 0.00 0.0
2014 -2.0 -6.1 0.04 1.0
2013 -7.4 -22.3 0.00 0.0
2012 -2.0 -13.0 0.00 0.0
2011 6.9 -2.8 0.00 0.0
2010 2.5 -4.0 2.18 0.0
2009 -3.0 -12.9 0.00 0.0
2008 -4.5 -12.7 0.00 0.0
2007 -0.5 -4.5 0.00 0.0
2006 5.1 -1.3 0.05 0.0
2005 -10.2 -14.1 0.00 0.0
2004 -4.5 -7.1 0.36 8.2
2003 -3.2 -7.2 0.00 0.0
2002 1.8 -5.2 0.00 0.0
2001 2.8 -3.2 1.56 0.0
2000 -9.2 -14.5 0.50 5.0
1999 -1.1 -4.4 0.00 0.0
1998 7.8 -3.7 0.00 0.0
1997 0.2 -7.3 0.00 0.0
1996 2.1 -3.0 0.76 0.0
1995 -14.3 -20.5 0.00 0.0
1994 -13.2 -20.7 0.00 0.0
1993 -3.4 -12.7 0.00 0.0
1992 0.0 -3.9 0.00 0.0
1991 9.0 -6.7 0.24 0.0
1990 6.2 -9.7 0.06 0.0
1989 -12.4 -20.4 0.02 0.4
1988 -10.0 -23.2 0.00 0.0
1987 1.0 -0.6 0.60 4.6
1986 -0.4 -6.0 0.06 1.4
1985 -1.1 -8.4 0.00 0.0
1984 3.6 -0.1 1.04 0.0
1983 1.7 -16.4 1.46 2.3
1982 -13.0 -19.5 0.00 0.0
1981 -2.0 -3.0 0.00 0.0
1980 -7.5 -20.5 0.28 4.2
1979 7.5 -1.5 0.18 0.0
1978 1.0 -14.5 0.18 2.4
1977 -16.0 -29.0 0.40 4.0
1976 -2.8 -13.3 0.46 6.9
1975 -3.9 -17.8 0.00 0.0
1974 1.7 0.0 0.41 3.6
1973 -5.6 -13.3 0.00 0.0
1972 3.9 -20.6 2.06 10.7
1971 6.7 -0.6 0.00 0.0
1970 -10.0 -21.1 0.00 0.0
1969 2.8 0.6 0.00 0.0
1968 4.4 -11.1 0.05 0.0
1967 5.6 -3.3 0.53 0.0
1966 -6.7 -11.7 0.00 0.0
1965 -3.9 -11.1 0.66 2.5
1964 5.0 -1.7 0.00 0.0
1963 -10.0 -15.0 0.15 8.9
1962 -15.0 -18.3 0.00 0.0
1961 5.6 -6.1 0.38 1.8
1960 -13.9 -18.9 0.00 0.0
1959 -2.2 -7.8 1.50 15.0
1958 -13.3 -21.7 0.00 0.0
1957 -14.4 -19.4 0.00 0.0
1956 1.7 -3.3 0.76 7.6
1955 -2.8 -8.9 0.00 0.0
1954 -0.6 -11.1 0.20 2.0
1953 4.4 2.8 0.30 0.0
1952 1.7 0.6 0.05 0.5
1951 -8.3 -10.0 0.00 0.0
1950 -5.0 -6.1 0.00 0.0
1949 8.3 -5.6 0.00 0.0
1948 2.2 -5.0 0.08 0.8
1947 -5.0 -11.1 0.00 0.0
1946 11.1 -3.9 1.68 0.0
1945 -16.1 -20.6 0.00 0.0
1944 -3.9 -7.2 0.89 8.9
1943 -6.1 -22.2 0.25 2.5
1942 -2.8 -5.0 0.00 0.0
1941 -10.6 -21.1 0.00 0.0
1940 -2.8 -10.0 0.91 9.1
1939 -7.2 -20.6 0.20 2.0
1938 1.7 -2.2 0.00 0.0
1937 -10.6 -25.6 0.13 1.3
1936 -5.0 -11.1 0.00 0.0
1935 1.1 -4.4 0.00 0.0
1934 -2.8 -17.2 0.51 5.1
1933 -19.4 -25.0 0.00 0.0
1932 -0.6 -12.2 0.89 8.9
1931 7.8 0.6 0.36 0.0
1930 0.0 -7.8 0.51 5.1
1929 -15.6 -30.0 0.00 0.0
1928 1.1 -2.2 0.00 0.0
1927 2.2 -2.2 0.00 0.0
1926 -0.6 -11.1 0.05 0.5
1925 -2.8 -6.7 0.20 2.0
1924 -7.2 -12.8 0.00 0.0
1923 5.0 -2.2 0.00 0.0
1922 4.4 -6.7 0.25 0.0
1921 2.2 -3.9 0.00 0.0
1920 -1.7 -7.2 0.00 0.0
1919 2.8 -12.2 0.00 0.0
1918 2.2 -8.3 0.51 5.1
1917 -18.9 -31.7 0.00 0.0
1916 -4.4 -8.3 0.76 7.6
1915 -8.9 -18.3 0.00 0.0
1914 -1.7 -12.2 0.00 0.0
1913 0.6 -16.7 0.00 0.0
1912 -6.7 -15.6 0.25 2.5
1911 6.7 3.9 0.13 0.0
1910 -10.0 -20.0 0.00 0.0
1909 -7.8 -13.3 0.00 0.0
1908 -4.4 -13.9 0.00 0.0
1907 -6.1 -13.9 0.00 0.0
1906 -12.2 -26.1 0.00 0.0
1905 -11.1 -22.2 0.25 2.5
1904 -13.9 -18.3 0.00 0.0
1903 -3.3 -8.3 0.38 3.8
1902 -16.1 -23.9 0.00 0.0
1901 -2.8 -8.9 0.00 0.0
1900 -13.3 -24.4 0.00 0.0
1899 8.9 1.1 1.78 0.0
1898 -10.6 -22.2 0.00 0.0
1897 1.7 -1.7 0.00 0.0
1896 3.3 -0.6 0.00 0.0
1895 -14.4 -25.0 0.00 0.0
1894 2.2 -0.6 n/a 0.0
1893 -16.7 -20.6 1.02 10.2
1892 -1.1 -4.4 0.00 0.0
1891 5.6 -4.4 0.00 0.0
1890 -4.4 -19.4 0.00 0.0
1889 0.6 -5.6 0.18 0.0
What's the all-time high for Ottawa on 12/12?
For the date of Dec 12, the highest temperature ever reached in Ottawa history is 11.1 °C which happened in 1946.
Highest Temperatures in Ottawa on December 12
Rank Temperature Year
1 11.1 °C 1946
2 9.0 °C 1991
3 8.9 °C 1899
4 8.3 °C 1949
5 7.8 °C 1931
5 7.8 °C 1998
7 7.5 °C 1979
8 7.0 °C 2020
9 6.9 °C 2011
10 6.7 °C 2015
10 6.7 °C 1911
10 6.7 °C 1971
What's the all-time low for Ottawa on 12/12?
For the date of Dec 12, the lowest temperature ever reached in Ottawa history is -31.7 °C which happened in 1917.
Lowest Temperatures in Ottawa on December 12
Rank Temperature Year
1 -31.7 °C 1917
2 -30.0 °C 1929
3 -29.0 °C 1977
4 -26.1 °C 1906
5 -25.6 °C 1937
6 -25.0 °C 1895
6 -25.0 °C 1933
8 -24.4 °C 1900
9 -23.9 °C 1902
10 -23.2 °C 1988
Lowest High Temperatures in Ottawa on December 12
Rank Temperature Year
1 -19.4 °C 1933
2 -18.9 °C 1917
3 -16.7 °C 1893
4 -16.1 °C 1945
4 -16.1 °C 1902
6 -16.0 °C 1977
7 -15.6 °C 1929
8 -15.0 °C 1962
9 -14.4 °C 1957
9 -14.4 °C 1895
What's the most it has ever rained in Ottawa on 12/12?
For the date of Dec 12, the most precipitation ever recorded in Ottawa history is 2.18 cm which happened in 2010.
All-Time Most Precipitation in Ottawa on December 12
Rank Precipitation Year
1 2.18 cm 2010
2 2.06 cm 1972
3 1.78 cm 1899
4 1.68 cm 1946
5 1.56 cm 2001
6 1.50 cm 1959
7 1.46 cm 1983
8 1.04 cm 1984
9 1.02 cm 1893
10 0.91 cm 1940
All-Time Most Snow in Ottawa on December 12
Rank Precipitation Year
1 15.0 cm 1959
2 10.7 cm 1972
3 10.2 cm 1893
4 9.1 cm 1940
5 8.9 cm 1932
5 8.9 cm 1944
5 8.9 cm 1963
8 8.6 cm 2017
9 8.2 cm 2004
10 7.6 cm 1916
10 7.6 cm 1956
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location