Ottawa December 15 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of December 15.
December 15 All-Time Records
1889–2024
Highest temperature 10.9 °C 2011
Lowest temperature -30.6 °C 1903
Lowest daily high -18.9 °C 1943
Highest daily low 3.6 °C 2006
Most precipitation 3.94 cm 1901
Most snow 22.9 cm 1907
December 15 Average Weather
1991–2020 1
Average high -1.3 °C
Average low -8.2 °C
Chance precipitation 48.9%
Chance snow 35.6%
Ottawa December 15 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 9.0 -1.0 0.00 0.0
2022 3.0 -7.0 0.34 3.0
2021 1.0 -5.0 0.68 2.0
2020 -10.0 -13.0 0.00 0.0
2019 -3.5 -8.0 0.00 0.0
2018 4.0 -0.5 0.00 0.0
2017 -11.0 -22.5 0.24 4.0
2016 -13.0 -16.5 0.00 0.0
2015 9.5 2.5 0.00 0.0
2014 0.6 -0.7 0.00 0.0
2013 -9.1 -19.5 0.06 1.5
2012 -4.6 -10.0 0.00 0.0
2011 10.9 0.5 0.29 0.0
2010 -10.0 -16.2 0.08 1.0
2009 -1.1 -4.5 0.06 1.0
2008 9.0 -5.6 0.07 0.0
2007 -13.5 -21.1 0.14 2.4
2006 9.7 3.6 0.93 0.0
2005 -5.7 -16.8 1.50 15.0
2004 -7.9 -20.6 0.00 0.0
2003 -4.0 -10.0 0.00 0.0
2002 1.2 -0.9 0.52 5.2
2001 -1.2 -4.4 0.00 0.0
2000 -5.4 -19.5 0.00 0.0
1999 4.0 -2.0 0.24 0.0
1998 9.8 -2.8 0.00 0.0
1997 -9.9 -17.8 0.00 0.0
1996 2.1 -2.3 0.10 0.0
1995 -5.6 -12.7 0.00 0.0
1994 -5.2 -12.9 0.00 0.0
1993 7.7 0.5 0.00 0.0
1992 1.6 -11.1 0.16 0.0
1991 -8.8 -11.0 0.00 0.0
1990 -3.6 -11.6 0.60 6.4
1989 -14.6 -24.5 0.14 2.4
1988 -1.6 -13.1 0.11 2.0
1987 0.2 -4.6 1.34 15.8
1986 0.4 -3.6 0.00 0.0
1985 -4.6 -18.4 0.03 0.6
1984 -3.9 -9.2 0.00 0.0
1983 4.7 0.1 0.07 1.6
1982 2.0 -2.0 1.90 0.0
1981 1.0 -0.5 0.00 0.0
1980 -15.5 -24.0 0.08 3.2
1979 2.0 -10.5 0.00 0.0
1978 2.5 -10.0 0.12 1.8
1977 -1.5 -4.5 0.00 0.0
1976 2.2 -1.1 0.00 0.0
1975 8.3 -6.1 0.00 0.0
1974 -5.0 -11.1 0.33 3.3
1973 -10.6 -17.8 0.00 0.0
1972 -9.4 -14.4 1.02 14.7
1971 6.7 -8.3 1.40 2.5
1970 -11.1 -19.4 0.00 0.0
1969 -4.4 -8.9 0.00 0.0
1968 -10.6 -14.4 0.25 3.6
1967 -5.0 -6.7 0.00 0.0
1966 -1.7 -8.3 0.05 0.3
1965 1.1 -4.4 0.13 1.5
1964 -10.6 -12.2 0.00 n/a
1963 -10.6 -16.1 0.00 0.0
1962 -12.8 -22.2 0.00 0.3
1961 -12.2 -18.9 0.00 0.0
1960 1.7 -6.7 0.13 0.0
1959 3.9 -15.0 0.56 1.3
1958 -6.1 -12.2 0.05 0.5
1957 2.2 -11.1 0.20 2.0
1956 4.4 -10.0 0.64 0.0
1955 -1.1 -4.4 0.25 2.5
1954 1.1 -3.3 0.15 0.0
1953 -3.3 -5.6 0.00 0.0
1952 -1.1 -2.2 0.05 0.5
1951 -14.4 -16.1 0.00 0.0
1950 -2.8 -16.1 0.00 0.0
1949 -5.0 -12.8 0.00 0.0
1948 -4.4 -8.9 0.00 0.0
1947 2.2 -11.1 0.76 7.6
1946 -7.2 -12.8 0.00 0.0
1945 -1.7 -11.1 0.00 0.0
1944 1.1 -17.8 0.05 0.5
1943 -18.9 -28.9 0.00 0.0
1942 -6.1 -13.3 0.00 0.0
1941 -1.1 -10.6 0.00 0.0
1940 -2.2 -17.8 0.05 0.0
1939 -6.1 -22.2 0.13 1.3
1938 -15.6 -21.1 0.00 0.0
1937 -2.2 -11.7 0.91 9.1
1936 2.8 -3.9 0.00 0.0
1935 -1.7 -3.3 1.09 10.9
1934 -4.4 -18.9 0.89 8.9
1933 -16.1 -24.4 1.02 10.2
1932 -9.4 -13.3 0.13 1.3
1931 -13.3 -16.7 0.00 0.0
1930 -15.6 -17.8 0.00 0.0
1929 -6.7 -9.4 0.00 0.0
1928 -1.1 -11.7 0.00 0.0
1927 0.6 -13.3 0.00 0.0
1926 -3.3 -16.1 0.00 0.0
1925 -5.0 -10.6 0.00 0.0
1924 -13.9 -20.6 0.00 0.0
1923 0.0 -11.7 0.00 0.0
1922 -9.4 -15.6 0.76 7.6
1921 -10.0 -16.1 0.00 0.0
1920 3.9 0.0 0.00 0.0
1919 -8.3 -14.4 0.00 0.0
1918 4.4 0.6 0.66 0.0
1917 -11.1 -22.2 0.00 0.0
1916 -10.6 -22.2 0.00 0.0
1915 -6.7 -15.0 0.00 0.0
1914 -11.7 -18.3 0.00 0.0
1913 0.6 -14.4 0.00 0.0
1912 2.2 -4.4 0.00 0.0
1911 0.6 -1.1 1.78 17.8
1910 1.1 -17.2 0.00 0.0
1909 1.1 -3.9 0.13 1.3
1908 2.2 -4.4 0.00 0.0
1907 -3.3 -8.9 2.29 22.9
1906 3.3 -12.8 1.24 5.1
1905 -14.4 -24.4 0.00 0.0
1904 -12.2 -23.3 0.00 0.0
1903 -13.3 -30.6 0.00 0.0
1902 -10.6 -23.9 0.00 0.0
1901 6.7 -15.6 3.94 10.2
1900 -12.2 -15.6 0.00 0.0
1899 -7.8 -12.2 1.52 15.2
1898 -12.2 -17.8 0.00 0.0
1897 2.2 0.6 1.17 0.0
1896 -10.0 -16.1 0.00 0.0
1895 -6.1 -14.4 0.00 0.0
1894 5.6 -0.6 0.00 0.0
1893 -9.4 -18.9 1.27 12.7
1892 2.8 -5.0 0.00 0.0
1891 -3.9 -8.9 1.27 12.7
1890 -1.7 -15.6 0.00 0.0
1889 -9.4 -18.9 0.00 0.0
What's the all-time high for Ottawa on 12/15?
For the date of Dec 15, the highest temperature ever reached in Ottawa history is 10.9 °C which happened in 2011.
Highest Temperatures in Ottawa on December 15
Rank Temperature Year
1 10.9 °C 2011
2 9.8 °C 1998
3 9.7 °C 2006
4 9.5 °C 2015
5 9.0 °C 2008
5 9.0 °C 2023
7 8.3 °C 1975
8 7.7 °C 1993
9 6.7 °C 1971
9 6.7 °C 1901
What's the all-time low for Ottawa on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Ottawa history is -30.6 °C which happened in 1903.
Lowest Temperatures in Ottawa on December 15
Rank Temperature Year
1 -30.6 °C 1903
2 -28.9 °C 1943
3 -24.5 °C 1989
4 -24.4 °C 1933
4 -24.4 °C 1905
6 -24.0 °C 1980
7 -23.9 °C 1902
8 -23.3 °C 1904
9 -22.5 °C 2017
10 -22.2 °C 1962
10 -22.2 °C 1917
10 -22.2 °C 1916
10 -22.2 °C 1939
Lowest High Temperatures in Ottawa on December 15
Rank Temperature Year
1 -18.9 °C 1943
2 -16.1 °C 1933
3 -15.6 °C 1930
3 -15.6 °C 1938
5 -15.5 °C 1980
6 -14.6 °C 1989
7 -14.4 °C 1905
7 -14.4 °C 1951
9 -13.9 °C 1924
10 -13.5 °C 2007
What's the most it has ever rained in Ottawa on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Ottawa history is 3.94 cm which happened in 1901.
All-Time Most Precipitation in Ottawa on December 15
Rank Precipitation Year
1 3.94 cm 1901
2 2.29 cm 1907
3 1.90 cm 1982
4 1.78 cm 1911
5 1.52 cm 1899
6 1.50 cm 2005
7 1.40 cm 1971
8 1.34 cm 1987
9 1.27 cm 1891
9 1.27 cm 1893
All-Time Most Snow in Ottawa on December 15
Rank Precipitation Year
1 22.9 cm 1907
2 17.8 cm 1911
3 15.8 cm 1987
4 15.2 cm 1899
5 15.0 cm 2005
6 14.7 cm 1972
7 12.7 cm 1891
7 12.7 cm 1893
9 10.9 cm 1935
10 10.2 cm 1901
10 10.2 cm 1933
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location