Calgary December 18 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of December 18.
December 18 All-Time Records
1881–2024
Highest temperature 14.4 °C 1954
Lowest temperature -36.1 °C 1955
Lowest daily high -24.4 °C 1961
Highest daily low 2.2 °C 1975
Most precipitation 0.66 cm 1960
Most snow 12.7 cm 1960
December 18 Average Weather
1991–2020 1
Average high -0.6 °C
Average low -12.4 °C
Chance precipitation 25.5%
Chance snow 25.0%
Calgary December 18 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 7.0 -1.4 0.00 0.0
2022 -20.7 -24.9 0.11 1.4
2021 -0.5 -17.9 0.00 0.0
2020 5.8 -11.2 0.00 0.0
2019 7.5 -3.6 0.00 0.0
2018 7.5 -3.4 0.00 0.0
2017 2.8 -9.9 0.04 0.4
2016 1.1 -8.2 0.00 0.0
2015 -8.0 -17.4 0.17 1.7
2014 3.5 -7.3 0.00 0.0
2013 3.0 -16.7 0.54 10.6
2012 -5.8 -16.7 0.00 0.0
2011 5.8 -7.2 0.12 1.2
2010 -11.6 -13.4 0.02 2.2
2009 8.2 -13.2 0.00 0.0
2008 -19.4 -25.2 0.14 2.6
2007 0.7 -11.8 0.00 0.0
2006 7.3 -9.0 0.00 0.0
2005 -4.3 -18.6 0.00 0.0
2004 10.6 -6.1 0.00 0.0
2003 2.9 -4.9 0.00 0.0
2002 3.2 -8.9 0.00 0.0
2001 -0.7 -10.0 0.00 0.0
2000 4.2 -13.0 0.00 0.0
1999 4.1 -10.2 0.04 0.6
1998 -11.5 -24.0 0.00 0.0
1997 -1.3 -14.2 0.54 9.2
1996 -2.8 -16.2 0.08 1.8
1995 7.9 -13.6 0.00 0.0
1994 9.1 -5.5 0.00 0.0
1993 4.0 -9.8 0.02 0.2
1992 -15.3 -26.2 0.02 0.2
1991 5.6 -2.5 0.00 0.0
1990 -13.9 -27.5 0.17 2.6
1989 -16.6 -26.0 0.00 0.0
1988 11.6 -1.1 0.00 0.0
1987 1.6 -12.5 0.02 0.2
1986 5.7 -9.1 0.00 0.0
1985 7.1 -2.5 0.06 0.2
1984 -2.7 -22.4 0.00 0.0
1983 -19.5 -31.6 0.00 0.0
1982 3.7 -2.8 0.00 0.0
1981 4.6 -12.2 0.00 0.0
1980 -10.9 -23.5 0.00 0.0
1979 9.4 -1.2 0.00 0.0
1978 -11.1 -17.4 0.00 0.0
1977 -10.4 -19.1 0.02 0.3
1976 0.6 -10.6 0.30 3.8
1975 7.8 2.2 0.00 0.0
1974 1.7 -8.3 0.00 0.0
1973 -2.8 -18.3 0.00 0.0
1972 6.1 -7.8 0.00 0.0
1971 -4.4 -18.9 0.08 1.0
1970 -18.9 -23.9 0.10 1.3
1969 -2.8 -15.0 0.00 0.0
1968 -0.6 -11.7 0.03 0.5
1967 -12.8 -20.6 0.00 0.3
1966 10.0 -1.1 0.00 0.0
1965 8.3 -11.7 0.00 0.0
1964 -13.3 -20.6 0.33 3.6
1963 -15.6 -21.1 0.00 0.0
1962 2.8 -8.3 0.00 0.0
1961 -24.4 -28.9 0.03 0.5
1960 -8.9 -12.8 0.66 12.7
1959 5.6 -12.8 0.00 0.0
1958 4.4 -4.4 0.00 0.0
1957 6.7 -7.2 0.00 0.0
1956 6.1 -5.0 0.00 0.0
1955 -23.9 -36.1 0.38 3.8
1954 14.4 -1.1 0.00 0.0
1953 10.6 -6.7 0.00 0.0
1952 -5.6 -10.0 0.00 0.0
1951 -22.2 -25.6 0.36 3.6
1950 -1.7 -11.7 0.00 0.0
1949 -22.8 -26.1 0.13 1.3
1948 1.7 -12.2 0.00 0.0
1947 7.8 -10.0 0.00 0.0
1946 3.9 -7.2 0.08 0.0
1945 -2.8 -22.2 0.00 0.0
1944 5.6 -7.8 0.00 0.0
1943 8.3 -0.6 0.00 0.0
1942 -16.1 -18.9 0.03 0.3
1941 3.3 -7.2 0.00 0.0
1940 7.2 -13.9 0.00 0.0
1939 2.2 -11.7 0.00 0.0
1938 1.1 -6.7 0.00 0.0
1937 5.0 -3.3 0.00 0.0
1936 11.1 -11.1 0.00 0.0
1935 0.6 -9.4 0.00 0.0
1934 5.0 -11.1 0.00 0.0
1933 -18.9 -24.4 0.05 0.5
1932 0.6 -6.7 0.00 0.0
1931 7.2 -1.7 0.00 0.0
1930 2.2 -7.8 0.00 0.0
1929 -16.7 -27.2 0.25 2.5
1928 1.7 -7.2 0.00 0.0
1927 5.0 -7.8 0.00 0.0
1926 3.9 -12.8 0.00 0.0
1925 0.0 -6.1 0.00 0.0
1924 -18.9 -33.3 0.00 0.0
1923 10.0 -3.3 0.00 0.0
1922 -8.3 -26.7 0.00 0.0
1921 -12.8 -23.3 0.00 0.0
1920 -5.6 -10.0 0.00 0.0
1919 10.0 -2.2 0.00 0.0
1918 6.7 -7.8 0.00 0.0
1917 10.0 -7.2 0.56 5.6
1916 -1.1 -9.4 0.00 0.0
1915 3.3 -10.6 0.00 0.0
1914 -7.8 -15.6 0.00 0.0
1913 2.8 -3.3 0.00 0.0
1912 4.4 -10.0 0.00 0.0
1911 3.9 -14.4 0.00 0.0
1910 8.9 -3.3 0.00 0.0
1909 2.2 -5.6 0.00 0.0
1908 3.3 -12.2 0.00 0.0
1907 -2.2 -9.4 0.00 0.0
1906 4.4 -7.8 0.00 0.0
1905 4.4 -7.2 0.00 0.0
1904 0.0 -11.7 0.00 0.0
1903 -3.3 -13.9 0.00 0.0
1902 4.4 0.0 0.00 0.0
1901 5.6 -5.6 0.00 0.0
1900 5.6 -7.8 0.00 0.0
1899 0.0 -23.3 0.00 0.0
1898 1.1 -7.8 0.00 0.0
1897 -7.8 -15.0 0.00 0.0
1896 1.7 -13.9 0.00 0.0
1895 -3.3 -16.7 0.00 0.0
1894 8.9 -14.4 0.00 0.0
1893 5.6 -7.2 0.00 0.0
1892 2.8 -5.6 0.03 0.3
1891 6.7 -11.7 0.00 0.0
1890 4.4 -4.4 0.00 0.0
1889 1.1 -16.7 0.00 0.0
1888 6.7 -7.8 0.00 0.0
1887 1.7 -16.1 0.00 0.0
1886 -1.1 -10.6 0.00 0.0
1885 8.9 -9.4 0.00 0.0
1884 -22.8 -30.6 0.00 0.0
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
1881 3.9 -5.0 0.00 0.0
What's the all-time high for Calgary on 12/18?
For the date of Dec 18, the highest temperature ever reached in Calgary history is 14.4 °C which happened in 1954.
Highest Temperatures in Calgary on December 18
Rank Temperature Year
1 14.4 °C 1954
2 11.6 °C 1988
3 11.1 °C 1936
4 10.6 °C 2004
4 10.6 °C 1953
6 10.0 °C 1923
6 10.0 °C 1966
6 10.0 °C 1919
6 10.0 °C 1917
10 9.4 °C 1979
What's the all-time low for Calgary on 12/18?
For the date of Dec 18, the lowest temperature ever reached in Calgary history is -36.1 °C which happened in 1955.
Lowest Temperatures in Calgary on December 18
Rank Temperature Year
1 -36.1 °C 1955
2 -33.3 °C 1924
3 -31.6 °C 1983
4 -30.6 °C 1884
5 -28.9 °C 1961
6 -27.5 °C 1990
7 -27.2 °C 1929
8 -26.7 °C 1922
9 -26.2 °C 1992
10 -26.1 °C 1949
Lowest High Temperatures in Calgary on December 18
Rank Temperature Year
1 -24.4 °C 1961
2 -23.9 °C 1955
3 -22.8 °C 1884
3 -22.8 °C 1949
5 -22.2 °C 1951
6 -20.7 °C 2022
7 -19.5 °C 1983
8 -19.4 °C 2008
9 -18.9 °C 1924
9 -18.9 °C 1970
9 -18.9 °C 1933
What's the most it has ever rained in Calgary on 12/18?
For the date of Dec 18, the most precipitation ever recorded in Calgary history is 0.66 cm which happened in 1960.
All-Time Most Precipitation in Calgary on December 18
Rank Precipitation Year
1 0.66 cm 1960
2 0.56 cm 1917
3 0.54 cm 2013
3 0.54 cm 1997
5 0.38 cm 1955
6 0.36 cm 1951
7 0.33 cm 1964
8 0.30 cm 1976
9 0.25 cm 1929
10 0.17 cm 2015
10 0.17 cm 1990
All-Time Most Snow in Calgary on December 18
Rank Precipitation Year
1 12.7 cm 1960
2 10.6 cm 2013
3 9.2 cm 1997
4 5.6 cm 1917
5 3.8 cm 1976
5 3.8 cm 1955
7 3.6 cm 1964
7 3.6 cm 1951
9 2.6 cm 2008
9 2.6 cm 1990
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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