Calgary June 21 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of June 21.
June 21 All-Time Records
1881–2024
Highest temperature 34.4 °C 1919
Lowest temperature 1.1 °C 1924
Lowest daily high 11.7 °C 1959
Highest daily low 14.0 °C 1992
Most precipitation 5.38 cm 2019
Most snow none -
June 21 Average Weather
1991–2020 1
Average high 20.1 °C
Average low 8.2 °C
Chance precipitation 48.6%
Chance snow 0%
Calgary June 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 17.1 4.9 0.38 0.0
2022 23.0 7.6 0.00 0.0
2021 27.8 8.5 0.00 0.0
2020 22.9 11.6 2.76 0.0
2019 12.1 5.3 5.38 0.0
2018 26.5 11.4 0.00 0.0
2017 20.3 7.2 0.02 0.0
2016 22.2 9.2 0.08 0.0
2015 18.0 8.0 0.62 0.0
2014 18.5 9.9 0.34 0.0
2013 15.3 9.2 2.30 0.0
2012 21.6 5.6 0.00 0.0
2011 22.7 6.2 0.00 0.0
2010 22.5 8.4 0.00 0.0
2009 16.1 10.4 0.00 0.0
2008 26.6 8.7 0.00 0.0
2007 27.1 10.2 0.00 0.0
2006 18.8 8.8 1.92 0.0
2005 27.2 9.7 0.00 0.0
2004 23.0 5.2 0.22 0.0
2003 14.9 5.8 1.32 0.0
2002 24.6 5.1 0.00 0.0
2001 26.5 8.5 0.34 0.0
2000 22.9 7.0 0.02 0.0
1999 20.2 8.3 0.03 0.0
1998 21.2 6.1 0.00 0.0
1997 16.3 7.8 0.90 0.0
1996 13.5 6.6 0.00 0.0
1995 17.7 8.4 0.18 0.0
1994 24.7 5.8 0.00 0.0
1993 n/a n/a n/a n/a
1992 26.4 14.0 0.02 0.0
1991 15.5 7.9 3.00 0.0
1990 23.3 6.6 0.00 0.0
1989 18.0 8.2 0.20 0.0
1988 22.5 10.3 0.00 0.0
1987 24.4 10.9 0.00 0.0
1986 22.3 9.7 0.00 0.0
1985 22.0 5.9 0.00 0.0
1984 14.0 5.9 0.50 0.0
1983 18.8 7.9 0.02 0.0
1982 29.7 10.9 0.00 0.0
1981 16.5 4.0 0.32 0.0
1980 24.7 10.6 0.00 0.0
1979 18.2 4.6 0.00 0.0
1978 24.3 8.9 0.04 0.0
1977 25.6 11.4 0.00 0.0
1976 15.0 6.7 0.41 0.0
1975 22.2 8.9 0.05 0.0
1974 26.1 7.8 0.00 0.0
1973 26.7 8.9 0.00 0.0
1972 18.9 6.1 0.05 0.0
1971 24.4 9.4 0.00 0.0
1970 30.6 11.1 0.05 0.0
1969 17.2 7.8 0.10 0.0
1968 21.7 2.8 0.00 0.0
1967 14.4 8.9 0.00 0.0
1966 18.9 4.4 0.00 0.0
1965 14.4 3.9 0.25 0.0
1964 15.0 8.3 2.54 0.0
1963 14.4 7.8 0.74 0.0
1962 18.3 8.3 0.10 0.0
1961 20.6 7.8 0.03 0.0
1960 14.4 5.6 0.20 0.0
1959 11.7 7.8 0.00 0.0
1958 18.9 8.9 0.00 0.0
1957 16.7 4.4 0.00 0.0
1956 15.6 8.3 0.00 0.0
1955 23.9 5.6 0.00 0.0
1954 22.8 7.2 0.00 0.0
1953 14.4 5.0 0.13 0.0
1952 20.0 6.1 1.65 0.0
1951 15.6 2.8 0.15 0.0
1950 22.8 13.9 1.40 0.0
1949 23.9 8.9 0.00 0.0
1948 18.9 11.1 0.71 0.0
1947 21.1 3.3 0.00 0.0
1946 22.8 11.1 0.05 0.0
1945 30.0 11.1 0.00 0.0
1944 18.9 8.9 0.00 0.0
1943 17.8 3.3 0.00 0.0
1942 13.9 2.2 0.00 0.0
1941 22.2 3.9 0.00 0.0
1940 17.2 5.6 0.20 0.0
1939 20.6 6.1 0.00 0.0
1938 22.8 13.9 0.00 0.0
1937 28.3 9.4 0.00 0.0
1936 25.6 12.2 0.00 0.0
1935 22.2 5.0 0.00 0.0
1934 21.7 8.3 0.00 0.0
1933 22.8 8.3 0.00 0.0
1932 25.6 10.0 0.00 0.0
1931 22.2 7.8 0.00 0.0
1930 13.9 5.0 0.33 0.0
1929 19.4 3.3 0.00 0.0
1928 18.9 5.6 0.33 0.0
1927 25.0 7.2 0.03 0.0
1926 20.0 6.7 0.05 0.0
1925 28.9 12.2 0.00 0.0
1924 11.7 1.1 0.00 0.0
1923 15.6 7.8 3.05 0.0
1922 28.3 5.6 0.18 0.0
1921 28.9 7.2 0.00 0.0
1920 24.4 2.2 0.00 0.0
1919 34.4 13.9 0.00 0.0
1918 30.0 10.0 0.00 0.0
1917 20.6 7.8 0.23 0.0
1916 17.8 6.7 0.00 0.0
1915 21.1 6.7 0.25 0.0
1914 18.9 6.7 0.08 0.0
1913 22.8 3.3 0.00 0.0
1912 29.4 9.4 0.00 0.0
1911 19.4 8.3 0.00 0.0
1910 17.8 8.3 0.05 0.0
1909 22.8 5.6 0.00 0.0
1908 12.2 3.3 0.25 0.0
1907 12.2 4.4 0.08 0.0
1906 19.4 3.9 0.00 0.0
1905 21.1 2.2 0.86 0.0
1904 22.8 4.4 0.00 0.0
1903 22.8 4.4 0.00 0.0
1902 18.9 2.8 0.00 0.0
1901 22.2 7.2 0.00 0.0
1900 33.3 10.6 0.00 0.0
1899 16.7 5.0 0.08 0.0
1898 20.6 7.2 0.00 0.0
1897 24.4 10.6 0.43 0.0
1896 25.0 4.4 0.00 0.0
1895 22.8 7.2 0.00 0.0
1894 20.0 2.8 0.00 0.0
1893 21.7 n/a 0.00 0.0
1892 13.9 1.1 0.00 0.0
1891 22.8 5.0 0.00 0.0
1890 20.0 4.4 0.61 0.0
1889 30.6 5.6 0.00 0.0
1888 13.9 5.0 0.00 0.0
1887 25.0 11.7 0.00 0.0
1886 26.1 4.4 0.00 0.0
1885 20.6 4.4 0.00 0.0
1884 n/a n/a n/a n/a
1883 n/a n/a n/a n/a
1882 12.2 3.9 0.13 0.0
What's the all-time high for Calgary on 6/21?
For the date of Jun 21, the highest temperature ever reached in Calgary history is 34.4 °C which happened in 1919.
Highest Temperatures in Calgary on June 21
Rank Temperature Year
1 34.4 °C 1919
2 33.3 °C 1900
3 30.6 °C 1889
3 30.6 °C 1970
5 30.0 °C 1918
5 30.0 °C 1945
7 29.7 °C 1982
8 29.4 °C 1912
9 28.9 °C 1921
9 28.9 °C 1925
What's the all-time low for Calgary on 6/21?
For the date of Jun 21, the lowest temperature ever reached in Calgary history is 1.1 °C which has happened 2 times, most recently in 1924.
Lowest Temperatures in Calgary on June 21
Rank Temperature Year
1 1.1 °C 1892
1 1.1 °C 1924
3 2.2 °C 1920
3 2.2 °C 1942
3 2.2 °C 1905
6 2.8 °C 1968
6 2.8 °C 1894
6 2.8 °C 1902
6 2.8 °C 1951
10 3.3 °C 1913
10 3.3 °C 1929
10 3.3 °C 1908
10 3.3 °C 1943
10 3.3 °C 1947
Lowest High Temperatures in Calgary on June 21
Rank Temperature Year
1 11.7 °C 1959
1 11.7 °C 1924
3 12.1 °C 2019
4 12.2 °C 1908
4 12.2 °C 1907
4 12.2 °C 1882
7 13.5 °C 1996
8 13.9 °C 1892
8 13.9 °C 1942
8 13.9 °C 1888
8 13.9 °C 1930
What's the most it has ever rained in Calgary on 6/21?
For the date of Jun 21, the most precipitation ever recorded in Calgary history is 5.38 cm which happened in 2019.
All-Time Most Precipitation in Calgary on June 21
Rank Precipitation Year
1 5.38 cm 2019
2 3.05 cm 1923
3 3.00 cm 1991
4 2.76 cm 2020
5 2.54 cm 1964
6 2.30 cm 2013
7 1.92 cm 2006
8 1.65 cm 1952
9 1.40 cm 1950
10 1.32 cm 2003
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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