Calgary April 20 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of April 20.
April 20 All-Time Records
1881–2024
Highest temperature 27.2 °C 1934
Lowest temperature -17.2 °C 1927
Lowest daily high -7.0 °C 2008
Highest daily low 10.0 °C 1910
Most precipitation 2.98 cm 1999
Most snow 10.8 cm 2007
April 20 Average Weather
1991–2020 1
Average high 11.9 °C
Average low -1.2 °C
Chance precipitation 32.5%
Chance snow 19.5%
Calgary April 20 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 2.0 -3.8 0.05 0.5
2022 0.8 -3.8 0.06 1.0
2021 11.2 -4.8 0.00 0.0
2020 19.2 5.5 0.00 0.0
2019 11.0 0.5 0.00 0.0
2018 13.4 -1.0 0.00 0.0
2017 15.2 0.9 0.02 0.0
2016 18.8 7.1 0.00 0.0
2015 20.5 -1.4 0.00 0.0
2014 15.4 3.7 0.00 0.0
2013 n/a n/a n/a n/a
2012 15.9 1.9 0.00 0.0
2011 -0.4 -12.2 0.00 0.0
2010 21.4 2.9 0.00 0.0
2009 20.4 4.9 0.00 0.0
2008 -7.0 -12.3 0.14 3.4
2007 0.6 -1.3 0.62 10.8
2006 20.9 1.9 0.00 0.0
2005 18.4 -1.2 0.00 0.0
2004 11.6 -3.6 0.00 0.0
2003 18.1 -2.2 0.00 0.0
2002 14.1 -5.3 0.00 0.0
2001 2.5 -7.0 0.00 0.0
2000 20.3 2.3 0.00 0.0
1999 9.3 0.7 2.98 1.0
1998 16.2 -1.5 0.00 0.0
1997 17.2 0.4 0.54 0.0
1996 9.6 -2.0 0.04 0.4
1995 12.5 -1.1 0.00 0.0
1994 19.1 3.3 0.00 0.0
1993 14.7 -7.5 0.00 0.0
1992 15.7 -0.4 0.00 0.0
1991 20.1 -1.8 0.00 0.0
1990 19.7 7.7 0.00 0.0
1989 22.0 1.3 0.00 0.0
1988 11.4 2.3 0.00 0.0
1987 14.6 -3.3 0.00 0.0
1986 20.0 8.7 0.00 0.0
1985 0.4 -2.2 0.12 2.0
1984 13.1 3.5 0.00 0.0
1983 19.3 -0.5 0.00 0.0
1982 15.3 -4.0 0.00 0.0
1981 21.2 3.4 0.02 0.0
1980 23.2 4.4 0.00 0.0
1979 7.0 -5.7 0.06 0.6
1978 5.0 0.4 0.12 1.0
1977 6.8 -6.1 0.00 0.0
1976 7.2 -0.6 0.08 0.0
1975 7.2 -2.2 0.03 0.5
1974 10.6 0.0 0.43 0.0
1973 10.0 -0.6 0.00 0.0
1972 13.9 -1.1 0.00 0.0
1971 13.3 0.6 0.00 0.0
1970 5.6 -2.2 0.00 0.0
1969 11.1 -2.2 0.00 0.0
1968 5.0 -4.4 0.00 0.0
1967 -3.3 -10.6 0.13 2.5
1966 6.7 -6.1 0.30 3.6
1965 -3.3 -8.9 0.08 1.3
1964 8.9 -3.9 0.25 1.5
1963 0.0 -3.9 0.25 3.8
1962 15.0 2.8 0.00 0.0
1961 5.6 -1.7 0.00 0.0
1960 13.9 -1.1 0.00 0.0
1959 15.6 -2.8 0.00 0.0
1958 10.6 1.7 0.00 0.0
1957 10.6 -2.2 0.00 0.0
1956 16.7 -0.6 0.00 0.0
1955 1.7 -6.1 0.00 0.0
1954 1.1 -6.7 0.03 0.3
1953 15.6 2.8 0.00 0.0
1952 10.6 0.0 0.00 0.0
1951 -4.4 -10.0 0.05 0.5
1950 21.1 1.7 0.05 0.0
1949 13.3 2.2 0.00 0.0
1948 3.9 -0.6 0.00 0.0
1947 10.6 2.2 0.00 0.0
1946 15.0 2.2 0.00 0.0
1945 14.4 -3.3 0.00 0.0
1944 12.2 -3.3 0.00 0.0
1943 17.2 5.6 0.00 0.0
1942 25.0 -1.7 0.00 0.0
1941 16.7 0.0 0.00 0.0
1940 2.8 0.0 2.92 10.2
1939 19.4 -2.2 0.00 0.0
1938 9.4 -4.4 0.00 0.0
1937 12.8 1.1 0.00 0.0
1936 2.2 -0.6 0.10 1.0
1935 16.7 -1.1 0.00 0.0
1934 27.2 5.6 0.00 0.0
1933 3.3 -10.0 0.00 0.0
1932 3.9 -0.6 0.46 3.6
1931 8.3 -6.7 0.15 1.5
1930 5.0 -0.6 0.00 0.0
1929 6.7 0.0 0.66 6.6
1928 9.4 -6.7 0.00 0.0
1927 6.1 -17.2 0.00 0.0
1926 15.6 4.4 0.00 0.0
1925 10.6 -0.6 0.00 0.0
1924 8.9 -5.6 0.00 0.0
1923 13.3 -6.1 0.00 0.0
1922 20.0 1.1 0.00 0.0
1921 14.4 -1.1 0.00 0.0
1920 8.3 1.1 0.00 0.0
1919 15.6 2.8 0.00 0.0
1918 24.4 3.3 0.00 0.0
1917 13.3 -2.2 0.00 0.0
1916 15.6 -3.9 0.00 0.0
1915 21.1 -0.6 0.00 0.0
1914 10.6 -0.6 0.20 0.0
1913 22.8 8.9 0.00 0.0
1912 13.3 -4.4 0.00 0.0
1911 18.9 -1.7 0.00 0.0
1910 23.9 10.0 0.05 0.0
1909 1.1 -8.3 0.51 5.1
1908 22.2 5.0 0.00 0.0
1907 18.9 -6.7 0.00 0.0
1906 17.8 3.3 0.00 0.0
1905 16.1 0.0 0.00 0.0
1904 12.8 -3.9 0.00 0.0
1903 15.0 -3.9 0.00 0.0
1902 10.0 -2.2 0.00 0.0
1901 15.0 -2.2 0.00 0.0
1900 10.0 -1.1 0.00 0.0
1899 15.6 -5.6 0.00 0.0
1898 12.8 -3.9 0.00 0.0
1897 21.1 -2.2 0.10 0.0
1896 12.8 -5.0 0.00 0.0
1895 12.8 -5.0 0.00 0.0
1894 20.6 0.6 0.00 0.0
1893 6.1 -7.8 0.00 0.0
1892 17.2 -5.0 0.00 0.0
1891 17.2 5.0 0.00 0.0
1890 7.8 -4.4 0.00 0.0
1889 12.2 -1.7 0.00 0.0
1888 16.7 -2.2 0.00 0.0
1887 5.6 -3.3 0.00 0.0
1886 17.8 7.2 0.00 0.0
1885 12.2 -5.6 0.00 0.0
1884 n/a n/a n/a n/a
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
What's the all-time high for Calgary on 4/20?
For the date of Apr 20, the highest temperature ever reached in Calgary history is 27.2 °C which happened in 1934.
Highest Temperatures in Calgary on April 20
Rank Temperature Year
1 27.2 °C 1934
2 25.0 °C 1942
3 24.4 °C 1918
4 23.9 °C 1910
5 23.2 °C 1980
6 22.8 °C 1913
7 22.2 °C 1908
8 22.0 °C 1989
9 21.4 °C 2010
10 21.2 °C 1981
What's the all-time low for Calgary on 4/20?
For the date of Apr 20, the lowest temperature ever reached in Calgary history is -17.2 °C which happened in 1927.
Lowest Temperatures in Calgary on April 20
Rank Temperature Year
1 -17.2 °C 1927
2 -12.3 °C 2008
3 -12.2 °C 2011
4 -10.6 °C 1967
5 -10.0 °C 1951
5 -10.0 °C 1933
7 -8.9 °C 1965
8 -8.3 °C 1909
9 -7.8 °C 1893
10 -7.5 °C 1993
Lowest High Temperatures in Calgary on April 20
Rank Temperature Year
1 -7.0 °C 2008
2 -4.4 °C 1951
3 -3.3 °C 1967
3 -3.3 °C 1965
5 -0.4 °C 2011
6 0.0 °C 1963
7 0.4 °C 1985
8 0.6 °C 2007
9 0.8 °C 2022
10 1.1 °C 1954
10 1.1 °C 1909
What's the most it has ever rained in Calgary on 4/20?
For the date of Apr 20, the most precipitation ever recorded in Calgary history is 2.98 cm which happened in 1999.
All-Time Most Precipitation in Calgary on April 20
Rank Precipitation Year
1 2.98 cm 1999
2 2.92 cm 1940
3 0.66 cm 1929
4 0.62 cm 2007
5 0.54 cm 1997
6 0.51 cm 1909
7 0.46 cm 1932
8 0.43 cm 1974
9 0.30 cm 1966
10 0.25 cm 1963
10 0.25 cm 1964
All-Time Most Snow in Calgary on April 20
Rank Precipitation Year
1 10.8 cm 2007
2 10.2 cm 1940
3 6.6 cm 1929
4 5.1 cm 1909
5 3.8 cm 1963
6 3.6 cm 1966
6 3.6 cm 1932
8 3.4 cm 2008
9 2.5 cm 1967
10 2.0 cm 1985
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy