Ottawa December 1 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of December 1.
December 1 All-Time Records
1889–2024
Highest temperature 12.4 °C 1996
Lowest temperature -26.7 °C 1936
Lowest daily high -16.7 °C 1890
Highest daily low 4.4 °C 1998
Most precipitation 2.35 cm 2006
Most snow 21.6 cm 1942
December 1 Average Weather
1991–2020 1
Average high 1.7 °C
Average low -5.1 °C
Chance precipitation 48.5%
Chance snow 27.6%
Ottawa December 1 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 8.0 3.0 0.28 4.0
2022 2.0 -1.0 0.00 0.0
2021 3.0 -4.0 0.00 0.0
2020 6.0 3.0 0.62 2.0
2019 -3.0 -12.0 0.00 0.0
2018 3.0 -5.0 0.20 1.0
2017 3.5 0.0 0.00 0.0
2016 8.0 2.5 0.10 0.0
2015 1.5 -7.0 0.80 0.0
2014 -0.2 -1.9 0.00 0.0
2013 -1.7 -10.0 0.10 0.8
2012 -1.2 -11.9 0.00 0.0
2011 0.0 -3.6 0.13 2.0
2010 9.9 2.1 1.78 0.0
2009 3.5 -2.9 0.00 0.0
2008 4.5 -0.8 0.13 0.4
2007 -12.1 -15.5 0.00 0.0
2006 2.7 -1.3 2.35 3.4
2005 3.0 -2.5 0.33 3.3
2004 2.1 -0.1 1.43 12.5
2003 0.7 -1.3 0.20 2.0
2002 -8.2 -10.6 0.40 4.0
2001 10.4 0.4 0.02 0.0
2000 -1.8 -4.5 0.00 0.0
1999 -0.5 -9.5 0.00 0.0
1998 7.9 4.4 0.02 0.0
1997 -1.6 -5.8 0.00 0.0
1996 12.4 1.1 1.24 0.0
1995 3.0 -12.0 0.50 0.6
1994 4.7 -8.8 0.15 1.5
1993 0.4 -9.3 0.00 0.0
1992 3.1 1.3 0.02 0.0
1991 5.9 2.6 0.00 0.0
1990 8.5 0.0 0.00 0.0
1989 -12.4 -19.6 0.00 0.0
1988 2.1 -1.1 0.06 1.2
1987 1.7 -0.2 0.02 0.2
1986 -1.6 -10.3 0.00 0.0
1985 6.5 -2.9 1.22 0.0
1984 6.3 3.4 0.00 0.0
1983 -0.1 -2.0 0.00 0.0
1982 4.0 0.0 0.00 0.0
1981 1.5 -7.0 0.10 0.0
1980 4.5 1.0 0.12 3.0
1979 -1.5 -6.5 0.02 0.6
1978 -1.0 -8.0 0.68 8.0
1977 7.0 -4.5 0.76 0.0
1976 -3.3 -12.2 0.05 0.8
1975 2.2 0.6 0.00 0.0
1974 -1.1 -9.4 0.00 0.0
1973 0.0 -3.9 0.00 0.0
1972 1.1 -3.3 0.05 0.8
1971 -5.0 -9.4 0.00 0.0
1970 8.9 -5.6 0.10 0.0
1969 -3.9 -7.8 0.00 0.0
1968 1.1 -11.7 0.38 4.6
1967 -2.8 -11.1 0.00 0.0
1966 -2.2 -7.8 0.15 1.5
1965 2.8 -3.9 0.00 0.0
1964 -9.4 -14.4 0.00 0.0
1963 -9.4 -17.8 0.00 0.0
1962 10.0 -2.2 0.00 0.0
1961 -2.2 -8.9 0.00 0.0
1960 -3.9 -6.7 0.00 0.0
1959 -5.6 -16.7 0.25 2.5
1958 -7.2 -20.6 0.74 7.4
1957 -0.6 -12.8 0.38 3.8
1956 -3.9 -18.9 0.51 5.1
1955 -4.4 -12.8 0.00 0.0
1954 -2.8 -5.0 0.00 0.0
1953 0.6 -2.8 0.00 0.0
1952 -3.9 -14.4 0.00 0.0
1951 5.6 -1.1 0.00 0.0
1950 0.0 -2.2 0.00 0.0
1949 -1.1 -2.2 0.00 0.0
1948 4.4 -1.1 0.00 0.0
1947 1.7 -13.9 0.00 0.0
1946 -2.2 -11.1 0.00 0.0
1945 -2.8 -11.7 0.00 0.0
1944 -4.4 -8.3 0.00 0.0
1943 1.7 -5.0 0.00 0.0
1942 0.0 -13.3 2.16 21.6
1941 -5.6 -13.9 0.25 0.0
1940 -8.9 -12.8 0.03 0.3
1939 6.1 0.0 0.05 0.0
1938 -8.3 -12.2 0.00 0.0
1937 0.0 -4.4 0.00 0.0
1936 -13.3 -26.7 0.00 0.0
1935 -3.9 -7.8 0.38 3.8
1934 7.8 3.9 1.37 0.0
1933 -10.6 -12.8 0.00 0.0
1932 3.3 -9.4 0.00 0.0
1931 0.6 -5.0 0.00 0.0
1930 -6.7 -11.1 0.38 3.8
1929 -1.7 -8.9 0.00 0.0
1928 -2.2 -7.2 0.89 8.9
1927 4.4 -11.1 1.12 3.3
1926 0.6 -6.7 0.94 9.4
1925 -4.4 -14.4 0.71 7.1
1924 -3.9 -12.2 0.00 0.0
1923 4.4 1.7 0.53 0.0
1922 12.2 1.1 0.97 0.0
1921 0.6 -2.8 0.00 0.0
1920 0.6 -2.2 0.61 0.0
1919 -0.6 -7.2 0.00 0.0
1918 -2.2 -13.9 1.02 10.2
1917 3.3 -2.2 0.51 0.0
1916 2.8 -1.7 0.64 6.4
1915 2.8 -5.0 0.00 0.0
1914 7.2 2.2 0.08 0.0
1913 2.8 0.0 0.56 0.0
1912 -4.4 -15.0 0.00 0.0
1911 2.8 -1.7 0.00 0.0
1910 0.0 -6.1 0.13 1.3
1909 1.7 -9.4 0.00 0.0
1908 11.7 0.0 0.53 0.0
1907 -6.1 -11.1 0.51 5.1
1906 2.2 -6.1 0.18 0.0
1905 -6.7 -16.7 0.00 0.0
1904 -2.2 -10.0 0.25 2.5
1903 -6.7 -10.0 0.25 2.5
1902 0.6 -6.7 0.00 0.0
1901 2.8 -8.9 0.00 0.0
1900 2.8 -3.3 0.10 0.0
1899 8.3 1.1 0.69 0.0
1898 0.6 -2.2 0.38 3.8
1897 -6.7 -12.8 0.76 7.6
1896 -5.0 -12.2 0.00 0.0
1895 -5.0 -13.3 0.00 0.0
1894 -1.1 -8.3 0.00 0.0
1893 -2.2 -8.3 0.25 2.5
1892 0.0 -7.2 0.00 0.0
1891 3.9 -4.4 0.00 0.0
1890 -16.7 -21.7 0.00 0.0
1889 1.7 -15.0 0.00 0.0
What's the all-time high for Ottawa on 12/1?
For the date of Dec 1, the highest temperature ever reached in Ottawa history is 12.4 °C which happened in 1996.
Highest Temperatures in Ottawa on December 1
Rank Temperature Year
1 12.4 °C 1996
2 12.2 °C 1922
3 11.7 °C 1908
4 10.4 °C 2001
5 10.0 °C 1962
6 9.9 °C 2010
7 8.9 °C 1970
8 8.5 °C 1990
9 8.3 °C 1899
10 8.0 °C 2016
10 8.0 °C 2023
What's the all-time low for Ottawa on 12/1?
For the date of Dec 1, the lowest temperature ever reached in Ottawa history is -26.7 °C which happened in 1936.
Lowest Temperatures in Ottawa on December 1
Rank Temperature Year
1 -26.7 °C 1936
2 -21.7 °C 1890
3 -20.6 °C 1958
4 -19.6 °C 1989
5 -18.9 °C 1956
6 -17.8 °C 1963
7 -16.7 °C 1959
7 -16.7 °C 1905
9 -15.5 °C 2007
10 -15.0 °C 1912
10 -15.0 °C 1889
Lowest High Temperatures in Ottawa on December 1
Rank Temperature Year
1 -16.7 °C 1890
2 -13.3 °C 1936
3 -12.4 °C 1989
4 -12.1 °C 2007
5 -10.6 °C 1933
6 -9.4 °C 1963
6 -9.4 °C 1964
8 -8.9 °C 1940
9 -8.3 °C 1938
10 -8.2 °C 2002
What's the most it has ever rained in Ottawa on 12/1?
For the date of Dec 1, the most precipitation ever recorded in Ottawa history is 2.35 cm which happened in 2006.
All-Time Most Precipitation in Ottawa on December 1
Rank Precipitation Year
1 2.35 cm 2006
2 2.16 cm 1942
3 1.78 cm 2010
4 1.43 cm 2004
5 1.37 cm 1934
6 1.24 cm 1996
7 1.22 cm 1985
8 1.12 cm 1927
9 1.02 cm 1918
10 0.97 cm 1922
All-Time Most Snow in Ottawa on December 1
Rank Precipitation Year
1 21.6 cm 1942
2 12.5 cm 2004
3 10.2 cm 1918
4 9.4 cm 1926
5 8.9 cm 1928
6 8.0 cm 1978
7 7.6 cm 1897
8 7.4 cm 1958
9 7.1 cm 1925
10 6.4 cm 1916
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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