Ottawa January 21 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of January 21.
January 21 All-Time Records
1889–2024
Highest temperature 7.2 °C 1906
Lowest temperature -31.1 °C 1943
Lowest daily high -24.4 °C 1943
Highest daily low 1.7 °C 1964
Most precipitation 2.29 cm 1914
Most snow 22.9 cm 1914
January 21 Average Weather
1991–2020 1
Average high -5.2 °C
Average low -13.9 °C
Chance precipitation 48.0%
Chance snow 40.5%
Ottawa January 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2024 -6.0 -18.0 0.00 0.0
2023 -1.5 -8.0 0.00 0.0
2022 -16.5 n/a 0.00 0.0
2021 -1.5 -16.0 0.26 4.0
2020 -4.0 -19.0 0.00 0.0
2019 -16.5 -24.0 0.00 0.0
2018 2.0 -1.5 0.18 2.0
2017 3.0 0.0 0.04 0.0
2016 -7.3 -14.0 0.00 0.0
2015 -8.9 -22.5 0.00 0.0
2014 -20.5 -25.0 0.00 0.0
2013 -15.6 -23.5 0.02 0.5
2012 -8.8 -20.5 0.00 0.0
2011 -7.2 -14.4 0.00 0.0
2010 -3.0 -9.0 0.00 0.0
2009 -4.1 -20.8 0.04 1.0
2008 -8.9 -21.9 0.36 4.0
2007 -10.8 -22.7 0.12 1.4
2006 0.0 -2.2 1.60 n/a
2005 -20.8 -28.1 0.00 0.0
2004 -8.8 -21.8 0.24 2.4
2003 -20.1 -24.7 0.00 0.0
2002 -0.7 -2.4 0.60 6.0
2001 -6.5 -22.1 0.00 0.0
2000 -16.2 -23.2 0.00 0.0
1999 -2.8 -5.0 0.12 1.2
1998 -5.3 -10.3 0.00 0.0
1997 2.4 -18.5 0.70 0.0
1996 -4.2 -11.7 0.00 0.0
1995 1.5 0.5 0.62 4.0
1994 -6.3 -20.5 0.22 2.2
1993 0.3 -13.5 0.24 0.0
1992 -9.5 -18.8 0.04 0.8
1991 -16.7 -24.8 0.00 0.0
1990 -11.4 -13.2 0.51 8.4
1989 -8.7 -24.3 0.00 0.0
1988 2.4 -4.2 0.08 0.8
1987 -1.3 -16.3 0.00 0.0
1986 -1.2 -5.0 0.00 0.0
1985 -11.4 -25.6 0.18 1.8
1984 -17.1 -30.5 0.16 1.6
1983 -5.0 -15.0 0.00 0.0
1982 -17.0 -23.5 0.00 0.0
1981 -4.5 -23.0 0.00 0.0
1980 -8.5 -12.0 0.00 0.0
1979 -4.0 -12.0 1.46 14.6
1978 -7.0 -11.5 0.00 0.0
1977 -7.2 -13.3 0.00 0.0
1976 -3.9 -8.3 0.51 6.4
1975 0.6 -26.7 0.00 0.0
1974 4.4 -13.3 0.69 0.0
1973 -7.8 -16.1 0.00 0.0
1972 -14.4 -20.6 0.00 0.0
1971 -1.7 -18.9 0.69 9.9
1970 -19.4 -25.0 0.00 0.0
1969 -3.3 -13.3 0.00 0.0
1968 1.7 -2.8 0.00 0.0
1967 2.8 -12.8 0.00 0.0
1966 -0.6 -6.7 0.00 0.0
1965 -2.2 -22.8 0.00 0.0
1964 4.4 1.7 0.00 0.0
1963 -14.4 -17.8 0.05 0.5
1962 -4.4 -20.0 0.13 1.3
1961 -17.2 -23.9 0.00 0.0
1960 -5.6 -10.0 0.25 2.5
1959 5.0 -12.2 0.74 0.0
1958 -2.8 -15.0 0.23 0.5
1957 5.6 0.6 0.00 0.0
1956 -6.7 -16.1 0.00 0.0
1955 -14.4 -26.7 0.86 8.6
1954 -13.3 -16.1 0.00 0.0
1953 -4.4 -12.2 0.00 0.0
1952 -16.7 -21.1 0.00 0.0
1951 -11.1 -13.3 0.03 0.3
1950 -8.9 -21.1 0.56 5.6
1949 -4.4 -19.4 0.76 7.6
1948 -2.8 -11.1 0.13 1.3
1947 -9.4 -12.2 0.00 0.0
1946 -6.7 -22.2 0.84 8.4
1945 -2.8 -16.7 0.00 0.0
1944 2.8 -1.7 0.13 0.0
1943 -24.4 -31.1 0.00 0.0
1942 -4.4 -11.7 0.58 5.8
1941 -5.0 -26.7 0.53 5.3
1940 -6.1 -13.3 0.13 1.3
1939 2.2 -15.6 0.33 3.3
1938 -5.0 -11.1 0.15 1.5
1937 5.0 -12.2 0.00 0.0
1936 -2.8 -27.2 0.00 0.0
1935 3.9 -7.2 0.51 0.0
1934 -16.7 -29.4 0.00 0.0
1933 -0.6 -4.4 0.00 0.0
1932 -10.0 -15.0 0.20 2.0
1931 -7.8 -16.1 0.33 3.3
1930 -7.8 -18.9 0.25 2.5
1929 -5.0 -14.4 0.13 1.3
1928 -10.6 -25.0 0.00 0.0
1927 -3.3 -16.7 0.00 0.0
1926 -3.3 -8.3 0.13 1.3
1925 -3.3 -23.9 0.76 7.6
1924 -7.8 -26.1 0.00 0.0
1923 2.2 -13.3 1.19 5.1
1922 -2.8 -10.0 0.33 3.3
1921 5.0 -1.1 0.69 3.8
1920 -13.9 -21.1 0.00 0.0
1919 -1.7 -7.2 0.00 0.0
1918 -8.9 -19.4 0.00 0.0
1917 -18.3 -27.2 0.13 1.3
1916 2.2 -5.0 0.61 0.0
1915 -8.3 -16.7 0.00 0.0
1914 -10.0 -11.1 2.29 22.9
1913 5.0 -10.0 1.22 0.0
1912 -8.3 -22.8 0.00 0.0
1911 3.3 -16.1 0.00 0.0
1910 1.7 -5.6 1.02 0.0
1909 2.8 -10.0 0.05 0.0
1908 2.2 -16.1 0.00 0.0
1907 -2.2 -20.0 0.00 0.0
1906 7.2 -7.8 0.00 0.0
1905 -10.6 -25.0 0.00 0.0
1904 -10.6 -16.7 0.00 0.0
1903 0.0 -17.2 1.02 10.2
1902 -6.7 -21.7 0.51 5.1
1901 3.3 -18.3 0.00 0.0
1900 3.3 -21.7 0.00 0.0
1899 2.2 -2.2 0.13 1.3
1898 -1.7 -5.0 0.00 0.0
1897 -4.4 -12.2 1.40 14.0
1896 -1.1 -10.0 0.25 2.5
1895 -2.2 -12.8 0.00 0.0
1894 3.9 -11.1 0.64 0.0
1893 -12.8 -23.3 0.00 0.0
1892 -6.1 -22.2 0.51 5.1
1891 -3.9 -9.4 0.00 0.0
1890 -5.6 -16.1 0.71 0.0
What's the all-time high for Ottawa on 1/21?
For the date of Jan 21, the highest temperature ever reached in Ottawa history is 7.2 °C which happened in 1906.
Highest Temperatures in Ottawa on January 21
Rank Temperature Year
1 7.2 °C 1906
2 5.6 °C 1957
3 5.0 °C 1913
3 5.0 °C 1921
3 5.0 °C 1937
3 5.0 °C 1959
7 4.4 °C 1964
7 4.4 °C 1974
9 3.9 °C 1935
9 3.9 °C 1894
What's the all-time low for Ottawa on 1/21?
For the date of Jan 21, the lowest temperature ever reached in Ottawa history is -31.1 °C which happened in 1943.
Lowest Temperatures in Ottawa on January 21
Rank Temperature Year
1 -31.1 °C 1943
2 -30.5 °C 1984
3 -29.4 °C 1934
4 -28.1 °C 2005
5 -27.2 °C 1936
5 -27.2 °C 1917
7 -26.7 °C 1975
7 -26.7 °C 1941
7 -26.7 °C 1955
10 -26.1 °C 1924
Lowest High Temperatures in Ottawa on January 21
Rank Temperature Year
1 -24.4 °C 1943
2 -20.8 °C 2005
3 -20.5 °C 2014
4 -20.1 °C 2003
5 -19.4 °C 1970
6 -18.3 °C 1917
7 -17.2 °C 1961
8 -17.1 °C 1984
9 -17.0 °C 1982
10 -16.7 °C 1934
10 -16.7 °C 1952
10 -16.7 °C 1991
What's the most it has ever rained in Ottawa on 1/21?
For the date of Jan 21, the most precipitation ever recorded in Ottawa history is 2.29 cm which happened in 1914.
All-Time Most Precipitation in Ottawa on January 21
Rank Precipitation Year
1 2.29 cm 1914
2 1.60 cm 2006
3 1.46 cm 1979
4 1.40 cm 1897
5 1.22 cm 1913
6 1.19 cm 1923
7 1.02 cm 1910
7 1.02 cm 1903
9 0.86 cm 1955
10 0.84 cm 1946
All-Time Most Snow in Ottawa on January 21
Rank Precipitation Year
1 22.9 cm 1914
2 14.6 cm 1979
3 14.0 cm 1897
4 10.2 cm 1903
5 9.9 cm 1971
6 8.6 cm 1955
7 8.4 cm 1946
7 8.4 cm 1990
9 7.6 cm 1949
9 7.6 cm 1925
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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