Calgary April 18 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of April 18.
April 18 All-Time Records
1881–2024
Highest temperature 27.2 °C 1936
Lowest temperature -17.8 °C 1951
Lowest daily high -12.2 °C 1951
Highest daily low 6.7 °C 1943
Most precipitation 3.05 cm 1955
Most snow 30.5 cm 1955
April 18 Average Weather
1991–2020 1
Average high 11.4 °C
Average low -1.5 °C
Chance precipitation 32.5%
Chance snow 20.3%
Calgary April 18 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2024 3.3 -4.1 0.00 0.0
2023 11.9 -7.9 0.00 0.0
2022 9.7 -7.2 0.00 0.0
2021 11.2 -3.0 0.76 7.2
2020 5.0 -0.6 0.14 0.2
2019 19.8 1.3 0.00 0.0
2018 8.7 -3.7 0.00 0.0
2017 14.4 0.8 0.04 0.0
2016 24.0 3.0 0.00 0.0
2015 12.1 0.4 0.20 0.0
2014 1.5 -2.7 0.48 4.8
2013 9.3 -2.2 0.00 0.0
2012 6.6 0.5 0.16 0.6
2011 -0.4 -12.2 0.00 0.0
2010 18.1 1.4 0.00 0.0
2009 13.8 3.1 0.00 0.0
2008 3.0 -8.1 0.72 16.6
2007 3.2 0.0 0.42 4.2
2006 12.1 -3.3 0.00 0.0
2005 11.4 0.7 0.00 0.0
2004 11.3 -3.0 0.00 0.0
2003 11.1 -0.9 0.06 0.0
2002 5.3 -6.0 0.00 0.0
2001 16.3 -2.4 0.00 0.0
2000 15.8 -1.7 0.00 0.0
1999 22.8 -0.1 0.00 0.0
1998 14.9 -3.0 0.00 0.0
1997 13.1 -4.5 0.00 0.0
1996 13.2 -2.0 0.00 0.0
1995 11.6 -2.2 0.00 0.0
1994 12.8 3.4 0.00 0.0
1993 4.0 -2.1 0.00 0.0
1992 14.2 4.8 0.04 0.0
1991 11.8 -7.2 0.00 0.0
1990 19.9 5.5 0.00 0.0
1989 18.5 -4.8 0.00 0.0
1988 15.9 -1.0 0.03 0.0
1987 0.8 -1.4 0.94 12.4
1986 12.3 3.8 0.00 0.0
1985 14.1 -0.3 0.00 0.0
1984 6.0 3.5 0.76 0.0
1983 19.1 0.4 0.00 0.0
1982 5.6 -3.5 0.12 1.4
1981 14.8 -4.5 0.00 0.0
1980 19.8 2.3 0.00 0.0
1979 6.2 -5.0 0.00 0.0
1978 4.5 -0.4 0.45 1.0
1977 7.3 -5.8 0.00 0.0
1976 10.6 -1.7 0.10 1.0
1975 12.8 -3.3 0.00 0.0
1974 17.8 0.6 0.00 0.0
1973 8.3 -1.7 0.05 0.5
1972 6.7 -5.6 0.00 0.0
1971 10.6 -0.6 0.00 0.0
1970 10.0 -6.7 0.00 0.0
1969 16.1 2.2 0.00 0.0
1968 10.6 -2.8 0.00 0.0
1967 -1.1 -7.2 0.03 0.5
1966 -1.7 -11.1 0.20 3.6
1965 3.3 -2.8 0.00 0.0
1964 8.9 -9.4 0.00 0.0
1963 10.6 -2.8 0.00 0.0
1962 23.3 0.6 0.00 0.0
1961 10.6 -3.9 2.82 21.6
1960 11.1 -1.7 0.00 0.0
1959 6.7 -3.9 0.00 0.0
1958 11.7 0.6 0.00 0.0
1957 12.8 -3.9 0.00 0.0
1956 17.8 -5.0 0.00 0.0
1955 0.0 -2.2 3.05 30.5
1954 2.8 -5.0 0.00 0.0
1953 1.7 -11.7 0.00 0.0
1952 20.6 5.6 0.00 0.0
1951 -12.2 -17.8 0.56 5.6
1950 6.7 -4.4 0.00 0.0
1949 21.7 4.4 0.00 0.0
1948 12.2 -0.6 0.00 0.0
1947 12.2 -0.6 0.00 0.0
1946 17.2 0.6 0.00 0.0
1945 13.3 -3.3 0.00 0.0
1944 7.2 0.0 0.43 2.0
1943 23.3 6.7 0.00 0.0
1942 16.1 -2.2 0.00 0.0
1941 11.1 -8.3 0.00 0.0
1940 15.0 5.6 0.05 0.0
1939 17.8 6.7 0.00 0.0
1938 11.7 1.7 0.00 0.0
1937 12.8 3.3 0.00 0.0
1936 27.2 5.6 0.00 0.0
1935 12.8 0.0 0.00 0.0
1934 12.8 -4.4 0.00 0.0
1933 -1.7 -12.2 0.00 0.0
1932 12.2 4.4 0.00 0.0
1931 5.6 -7.2 0.00 0.0
1930 16.7 0.0 0.00 0.0
1929 13.3 -5.6 0.00 0.0
1928 -4.4 -8.3 0.05 0.5
1927 -7.8 -15.0 0.03 0.3
1926 22.2 1.1 0.00 0.0
1925 13.3 0.0 0.99 0.0
1924 9.4 -2.2 0.00 0.0
1923 23.3 3.9 0.00 0.0
1922 0.0 -7.8 0.00 0.0
1921 16.7 0.0 0.00 0.0
1920 10.0 -5.6 0.00 0.0
1919 17.8 0.0 0.00 0.0
1918 13.9 3.3 0.00 0.0
1917 3.3 -6.7 0.05 0.5
1916 12.2 2.2 0.00 0.0
1915 25.6 5.6 0.00 0.0
1914 15.6 -4.4 0.00 0.0
1913 19.4 -1.7 0.00 0.0
1912 12.8 -3.3 0.05 0.0
1911 13.3 -3.3 0.00 0.0
1910 25.6 -1.1 0.00 0.0
1909 10.6 -4.4 0.00 0.0
1908 20.6 -2.2 0.00 0.0
1907 3.9 -4.4 0.00 0.0
1906 16.7 -4.4 0.00 0.0
1905 13.3 -2.2 0.00 0.0
1904 15.6 -4.4 0.00 0.0
1903 13.9 -4.4 0.00 0.0
1902 15.6 -6.7 0.00 0.0
1901 11.1 -1.1 0.00 0.0
1900 16.7 1.7 0.00 0.0
1899 6.7 -1.1 0.25 0.0
1898 6.1 -1.7 0.00 0.0
1897 17.2 1.1 0.00 0.0
1896 1.7 -6.7 0.08 0.8
1895 13.9 -6.7 0.00 0.0
1894 11.1 0.6 0.00 0.0
1893 5.6 -7.2 0.00 0.0
1892 7.8 -2.2 0.00 0.0
1891 20.0 1.1 0.00 0.0
1890 -6.1 -13.3 1.02 10.2
1889 12.2 -4.4 0.00 0.0
1888 11.7 -5.6 0.00 0.0
1887 7.2 -3.3 0.00 0.0
1886 14.4 -2.8 0.00 0.0
1885 -1.1 -15.0 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 4/18?
For the date of Apr 18, the highest temperature ever reached in Calgary history is 27.2 °C which happened in 1936.
Highest Temperatures in Calgary on April 18
Rank Temperature Year
1 27.2 °C 1936
2 25.6 °C 1915
2 25.6 °C 1910
4 24.0 °C 2016
5 23.3 °C 1962
5 23.3 °C 1923
5 23.3 °C 1943
8 22.8 °C 1999
9 22.2 °C 1926
10 21.7 °C 1949
What's the all-time low for Calgary on 4/18?
For the date of Apr 18, the lowest temperature ever reached in Calgary history is -17.8 °C which happened in 1951.
Lowest Temperatures in Calgary on April 18
Rank Temperature Year
1 -17.8 °C 1951
2 -15.0 °C 1885
2 -15.0 °C 1927
4 -13.3 °C 1890
5 -12.2 °C 2011
5 -12.2 °C 1933
7 -11.7 °C 1953
8 -11.1 °C 1966
9 -9.4 °C 1964
10 -8.3 °C 1941
10 -8.3 °C 1928
Lowest High Temperatures in Calgary on April 18
Rank Temperature Year
1 -12.2 °C 1951
2 -7.8 °C 1927
3 -6.1 °C 1890
4 -4.4 °C 1928
5 -1.7 °C 1933
5 -1.7 °C 1966
7 -1.1 °C 1885
7 -1.1 °C 1967
9 -0.4 °C 2011
10 0.0 °C 1955
10 0.0 °C 1922
What's the most it has ever rained in Calgary on 4/18?
For the date of Apr 18, the most precipitation ever recorded in Calgary history is 3.05 cm which happened in 1955.
All-Time Most Precipitation in Calgary on April 18
Rank Precipitation Year
1 3.05 cm 1955
2 2.82 cm 1961
3 1.02 cm 1890
4 0.99 cm 1925
5 0.94 cm 1987
6 0.76 cm 1984
6 0.76 cm 2021
8 0.72 cm 2008
9 0.56 cm 1951
10 0.48 cm 2014
All-Time Most Snow in Calgary on April 18
Rank Precipitation Year
1 30.5 cm 1955
2 21.6 cm 1961
3 16.6 cm 2008
4 12.4 cm 1987
5 10.2 cm 1890
6 7.2 cm 2021
7 5.6 cm 1951
8 4.8 cm 2014
9 4.2 cm 2007
10 3.6 cm 1966
Weather Station Details
Years Station Coordinates
2012–2024 Calgary International Airport location
1881–2012 Calgary International Airport location