Calgary December 20 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of December 20.
December 20 All-Time Records
1881–2024
Highest temperature 13.9 °C 1954
Lowest temperature -35.0 °C 1921
Lowest daily high -28.1 °C 2022
Highest daily low 0.6 °C 1946
Most precipitation 1.17 cm 1953
Most snow 11.7 cm 1953
December 20 Average Weather
1991–2020 1
Average high -0.7 °C
Average low -12.5 °C
Chance precipitation 25.3%
Chance snow 25.0%
Calgary December 20 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 10.8 -3.8 0.00 0.0
2022 -28.1 -32.2 0.18 1.8
2021 -12.3 -22.7 0.00 0.0
2020 7.0 -3.1 0.00 0.0
2019 5.6 -2.4 0.19 0.3
2018 8.7 -3.0 0.00 0.0
2017 -9.1 -16.7 0.70 7.4
2016 3.7 -3.8 0.00 0.0
2015 0.1 -14.6 0.00 0.0
2014 5.6 -4.0 0.00 0.0
2013 -5.9 -18.0 0.00 0.0
2012 0.5 -14.3 0.00 0.0
2011 9.2 -1.2 0.00 0.0
2010 -14.7 -21.6 0.00 0.0
2009 -4.7 -12.3 0.24 3.6
2008 -20.1 -30.4 0.00 0.0
2007 4.4 -9.0 0.00 0.4
2006 6.5 -5.8 0.00 0.0
2005 10.1 -11.7 0.00 0.0
2004 2.0 -5.5 0.02 0.2
2003 8.0 -2.1 0.00 0.0
2002 -3.8 -15.2 0.00 0.0
2001 -5.9 -17.2 0.00 0.0
2000 -7.1 -17.7 0.00 0.2
1999 6.0 -10.2 0.04 0.4
1998 -16.2 -29.9 0.00 0.0
1997 5.6 -6.1 0.00 0.0
1996 1.9 -22.0 0.30 4.0
1995 0.5 -9.9 0.00 0.0
1994 10.2 -6.1 0.00 0.0
1993 5.0 -4.9 0.04 0.8
1992 n/a n/a n/a n/a
1991 3.8 -8.4 0.00 0.0
1990 -23.6 -31.6 0.00 0.0
1989 -23.3 -29.3 0.18 2.6
1988 -1.7 -17.1 0.00 0.0
1987 2.8 -2.1 0.00 0.0
1986 7.3 -9.2 0.00 0.0
1985 11.9 -3.4 0.00 0.0
1984 3.3 -16.2 0.00 0.0
1983 -21.6 -31.5 0.00 0.2
1982 0.4 -11.9 0.04 0.4
1981 5.8 -2.0 0.00 0.0
1980 -18.2 -23.0 0.26 3.4
1979 9.6 -5.0 0.00 0.0
1978 4.3 -5.4 0.00 0.0
1977 2.2 -16.2 0.00 0.0
1976 5.6 -13.9 0.00 0.0
1975 9.4 -10.0 0.00 0.0
1974 5.0 -3.9 0.00 0.0
1973 8.3 -2.2 0.00 0.0
1972 6.7 -5.6 0.00 0.0
1971 -3.9 -22.2 0.05 0.8
1970 -20.6 -28.9 0.05 1.3
1969 0.6 -10.0 0.00 0.0
1968 -7.8 -23.9 0.00 0.0
1967 -21.7 -31.1 0.03 0.3
1966 6.1 -3.3 0.00 0.0
1965 8.3 -2.8 0.00 0.0
1964 -25.0 -32.2 0.00 0.0
1963 -16.1 -19.4 0.28 2.8
1962 5.0 -7.2 0.00 0.0
1961 -18.9 -24.4 0.00 0.0
1960 -18.9 -27.2 0.00 0.0
1959 3.9 -6.1 0.00 0.0
1958 8.9 -8.3 0.00 0.0
1957 3.3 -5.6 0.00 0.0
1956 7.2 -3.9 0.00 0.0
1955 -5.6 -24.4 0.20 2.0
1954 13.9 -2.2 0.00 0.0
1953 -2.2 -9.4 1.17 11.7
1952 0.0 -17.8 0.00 0.0
1951 -6.7 -32.2 0.00 0.0
1950 8.3 -6.7 0.03 0.3
1949 -2.2 -28.9 0.00 0.0
1948 -0.6 -10.0 0.00 0.0
1947 2.8 -9.4 0.00 0.0
1946 7.2 0.6 0.00 0.0
1945 -3.9 -17.2 0.28 2.8
1944 -1.1 -16.1 0.00 0.0
1943 4.4 -7.8 0.00 0.0
1942 5.6 -12.2 0.00 0.0
1941 1.1 -5.0 0.00 0.0
1940 8.9 -6.7 0.00 0.0
1939 8.9 0.0 0.15 0.0
1938 5.0 -11.1 0.00 0.0
1937 10.0 0.6 0.00 0.0
1936 -4.4 -12.2 0.00 0.0
1935 5.6 -5.0 0.00 0.0
1934 3.9 -3.9 0.00 0.0
1933 3.3 -28.9 0.00 0.0
1932 -1.1 -11.1 0.00 0.0
1931 3.3 -5.0 0.00 0.0
1930 2.8 -8.3 0.00 0.0
1929 -3.9 -15.6 0.00 0.0
1928 8.9 -6.7 0.00 0.0
1927 -2.2 -10.6 0.00 0.0
1926 1.1 -8.3 0.00 0.0
1925 -6.1 -8.9 0.05 0.5
1924 -20.0 -28.9 0.00 0.0
1923 5.6 -13.3 0.00 0.0
1922 10.0 -3.3 0.00 0.0
1921 -15.6 -35.0 0.00 0.0
1920 -10.6 -23.3 0.13 1.3
1919 11.1 -6.7 0.00 0.0
1918 -2.2 -10.6 0.00 0.0
1917 -1.1 -14.4 0.00 0.0
1916 -12.2 -23.3 0.20 2.0
1915 6.1 -7.2 0.00 0.0
1914 -8.9 -17.8 0.00 0.0
1913 0.6 -9.4 0.00 0.0
1912 -0.6 -8.9 0.00 0.0
1911 0.0 -3.3 0.00 0.0
1910 11.7 0.6 0.00 0.0
1909 -9.4 -16.1 0.00 0.0
1908 1.7 -4.4 0.00 0.0
1907 2.8 -14.4 0.00 0.0
1906 1.1 -7.8 0.00 0.0
1905 0.6 -6.1 0.00 0.0
1904 -4.4 -12.8 0.00 0.0
1903 2.8 -10.0 0.00 0.0
1902 4.4 -8.9 0.00 0.0
1901 5.6 -6.7 0.00 0.0
1900 10.0 -1.1 0.00 0.0
1899 6.7 -6.7 0.00 0.0
1898 0.0 -5.6 0.00 0.0
1897 -6.7 -13.3 0.00 0.0
1896 10.0 -3.9 0.00 0.0
1895 -7.2 -16.1 0.00 0.0
1894 2.8 -8.9 0.00 0.0
1893 5.6 -1.1 0.00 0.0
1892 -8.3 -20.6 0.05 0.5
1891 3.9 -12.2 0.00 0.0
1890 5.0 -6.1 0.00 0.0
1889 0.6 -15.0 0.00 0.0
1888 -2.2 -7.2 0.00 0.0
1887 -4.4 -22.8 0.00 0.0
1886 -2.8 -19.4 0.51 5.1
1885 9.4 -4.4 0.00 0.0
1884 -23.3 -32.2 0.38 3.8
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
1881 8.9 -3.9 0.00 0.0
What's the all-time high for Calgary on 12/20?
For the date of Dec 20, the highest temperature ever reached in Calgary history is 13.9 °C which happened in 1954.
Highest Temperatures in Calgary on December 20
Rank Temperature Year
1 13.9 °C 1954
2 11.9 °C 1985
3 11.7 °C 1910
4 11.1 °C 1919
5 10.8 °C 2023
6 10.2 °C 1994
7 10.1 °C 2005
8 10.0 °C 1900
8 10.0 °C 1922
8 10.0 °C 1937
8 10.0 °C 1896
What's the all-time low for Calgary on 12/20?
For the date of Dec 20, the lowest temperature ever reached in Calgary history is -35.0 °C which happened in 1921.
Lowest Temperatures in Calgary on December 20
Rank Temperature Year
1 -35.0 °C 1921
2 -32.2 °C 1884
2 -32.2 °C 2022
2 -32.2 °C 1964
2 -32.2 °C 1951
6 -31.6 °C 1990
7 -31.5 °C 1983
8 -31.1 °C 1967
9 -30.4 °C 2008
10 -29.9 °C 1998
Lowest High Temperatures in Calgary on December 20
Rank Temperature Year
1 -28.1 °C 2022
2 -25.0 °C 1964
3 -23.6 °C 1990
4 -23.3 °C 1884
4 -23.3 °C 1989
6 -21.7 °C 1967
7 -21.6 °C 1983
8 -20.6 °C 1970
9 -20.1 °C 2008
10 -20.0 °C 1924
What's the most it has ever rained in Calgary on 12/20?
For the date of Dec 20, the most precipitation ever recorded in Calgary history is 1.17 cm which happened in 1953.
All-Time Most Precipitation in Calgary on December 20
Rank Precipitation Year
1 1.17 cm 1953
2 0.70 cm 2017
3 0.51 cm 1886
4 0.38 cm 1884
5 0.30 cm 1996
6 0.28 cm 1963
6 0.28 cm 1945
8 0.26 cm 1980
9 0.24 cm 2009
10 0.20 cm 1955
10 0.20 cm 1916
All-Time Most Snow in Calgary on December 20
Rank Precipitation Year
1 11.7 cm 1953
2 7.4 cm 2017
3 5.1 cm 1886
4 4.0 cm 1996
5 3.8 cm 1884
6 3.6 cm 2009
7 3.4 cm 1980
8 2.8 cm 1945
8 2.8 cm 1963
10 2.6 cm 1989
Weather Station Details
Years Station Coordinates
2012–2024 Calgary International Airport location
1881–2012 Calgary International Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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