Calgary July 21 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of July 21.
July 21 All-Time Records
1881–2024
Highest temperature 34.3 °C 1979
Lowest temperature 4.1 °C 1990
Lowest daily high 10.6 °C 1911
Highest daily low 17.2 °C 1936
Most precipitation 4.06 cm 1965
Most snow none -
July 21 Average Weather
1991–2020 1
Average high 23.9 °C
Average low 10.4 °C
Chance precipitation 39.3%
Chance snow 0%
Calgary July 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 29.6 12.0 0.15 0.0
2022 28.2 11.2 0.00 0.0
2021 27.6 15.6 0.00 0.0
2020 25.8 11.9 0.00 0.0
2019 22.2 7.6 0.00 0.0
2018 24.2 9.4 0.04 0.0
2017 21.9 12.9 0.00 0.0
2016 27.4 9.4 0.00 0.0
2015 27.8 13.0 0.00 0.0
2014 19.9 11.7 0.20 0.0
2013 21.9 12.0 0.00 0.0
2012 25.6 11.8 0.00 0.0
2011 22.5 10.1 0.00 0.0
2010 21.6 8.2 0.00 0.0
2009 25.8 9.8 0.00 0.0
2008 30.2 12.1 0.00 0.0
2007 26.9 12.0 0.00 0.0
2006 29.8 10.4 0.00 0.0
2005 20.4 9.9 0.00 0.0
2004 22.3 10.7 0.08 0.0
2003 28.4 10.0 0.00 0.0
2002 21.6 8.6 0.00 0.0
2001 21.8 11.2 0.06 0.0
2000 26.4 9.8 0.08 0.0
1999 26.6 7.8 0.00 0.0
1998 20.1 7.8 0.00 0.0
1997 29.0 10.5 0.00 0.0
1996 23.1 5.8 0.02 0.0
1995 18.9 11.0 0.50 0.0
1994 33.5 11.8 0.00 0.0
1993 21.2 8.4 0.32 0.0
1992 22.7 9.6 0.00 0.0
1991 18.8 9.5 0.24 0.0
1990 20.3 4.1 0.00 0.0
1989 28.2 12.2 0.00 0.0
1988 32.8 12.2 0.00 0.0
1987 20.7 6.9 0.00 0.0
1986 26.2 10.0 0.00 0.0
1985 32.0 13.2 0.00 0.0
1984 15.3 4.5 0.85 0.0
1983 23.1 9.0 0.00 0.0
1982 26.7 9.7 0.00 0.0
1981 19.0 13.0 0.23 0.0
1980 25.3 10.0 0.00 0.0
1979 34.3 13.0 0.00 0.0
1978 24.2 8.5 0.04 0.0
1977 30.3 7.3 0.00 0.0
1976 23.9 11.7 0.00 0.0
1975 24.4 9.4 1.32 0.0
1974 26.1 5.0 0.00 0.0
1973 18.9 12.8 0.43 0.0
1972 12.2 8.9 0.53 0.0
1971 27.2 13.9 0.51 0.0
1970 22.8 11.1 0.97 0.0
1969 20.0 7.8 0.00 0.0
1968 18.3 7.8 0.03 0.0
1967 19.4 8.3 0.05 0.0
1966 17.8 5.0 0.00 0.0
1965 20.6 8.3 4.06 0.0
1964 27.2 12.8 0.00 0.0
1963 28.9 12.8 0.00 0.0
1962 22.8 7.8 0.00 0.0
1961 29.4 10.0 1.68 0.0
1960 26.1 13.9 0.00 0.0
1959 24.4 10.6 0.00 0.0
1958 28.9 11.7 0.00 0.0
1957 27.8 10.6 0.00 0.0
1956 29.4 15.0 0.00 0.0
1955 23.3 10.6 0.00 0.0
1954 14.4 9.4 0.00 0.0
1953 21.1 8.3 0.00 0.0
1952 13.9 6.1 0.36 0.0
1951 21.1 9.4 0.00 0.0
1950 21.1 8.9 0.00 0.0
1949 22.2 7.2 0.00 0.0
1948 25.6 9.4 0.00 0.0
1947 28.9 9.4 0.00 0.0
1946 33.3 12.2 0.00 0.0
1945 30.6 14.4 0.00 0.0
1944 23.3 14.4 0.43 0.0
1943 31.7 10.0 0.00 0.0
1942 28.3 10.0 0.00 0.0
1941 27.2 12.8 0.00 0.0
1940 26.7 12.8 0.00 0.0
1939 23.3 10.6 0.00 0.0
1938 30.0 12.2 0.00 0.0
1937 23.3 11.7 0.20 0.0
1936 31.7 17.2 0.00 0.0
1935 25.0 8.9 0.00 0.0
1934 23.9 5.6 0.00 0.0
1933 20.6 4.4 0.00 0.0
1932 25.6 7.8 0.00 0.0
1931 30.0 12.2 0.00 0.0
1930 26.1 8.3 0.00 0.0
1929 24.4 10.0 0.00 0.0
1928 27.8 11.7 0.00 0.0
1927 25.6 10.0 0.00 0.0
1926 23.9 6.1 0.15 0.0
1925 23.9 5.0 0.00 0.0
1924 24.4 9.4 0.00 0.0
1923 27.8 5.0 0.00 0.0
1922 26.7 4.4 0.00 0.0
1921 33.3 9.4 0.00 0.0
1920 28.3 14.4 0.79 0.0
1919 28.3 7.8 0.00 0.0
1918 23.3 7.8 1.09 0.0
1917 31.1 11.1 0.00 0.0
1916 24.4 10.0 0.00 0.0
1915 27.2 9.4 0.00 0.0
1914 17.2 6.1 0.66 0.0
1913 26.7 13.3 0.08 0.0
1912 23.9 8.9 0.03 0.0
1911 10.6 9.4 0.20 0.0
1910 29.4 12.8 0.00 0.0
1909 27.2 7.2 0.00 0.0
1908 28.9 11.1 0.00 0.0
1907 21.1 5.6 0.51 0.0
1906 26.1 8.9 0.00 0.0
1905 28.9 9.4 0.00 0.0
1904 31.1 4.4 0.00 0.0
1903 27.2 6.7 0.00 0.0
1902 28.9 10.6 0.00 0.0
1901 21.7 8.9 0.00 0.0
1900 26.7 12.2 0.00 0.0
1899 23.3 10.0 0.10 0.0
1898 20.6 7.2 1.02 0.0
1897 15.0 6.7 1.52 0.0
1896 12.2 5.0 0.00 0.0
1895 18.3 4.4 0.00 0.0
1894 30.6 8.3 0.00 0.0
1893 26.1 8.9 0.00 0.0
1892 26.1 6.7 0.00 0.0
1891 21.1 6.1 0.00 0.0
1890 28.9 9.4 0.00 0.0
1889 19.4 8.3 0.00 0.0
1888 26.1 10.6 0.05 0.0
1887 24.4 10.6 0.00 0.0
1886 27.8 9.4 0.00 0.0
1885 20.6 5.0 0.00 0.0
1884 21.1 8.9 0.00 0.0
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 7/21?
For the date of Jul 21, the highest temperature ever reached in Calgary history is 34.3 °C which happened in 1979.
Highest Temperatures in Calgary on July 21
Rank Temperature Year
1 34.3 °C 1979
2 33.5 °C 1994
3 33.3 °C 1921
3 33.3 °C 1946
5 32.8 °C 1988
6 32.0 °C 1985
7 31.7 °C 1936
7 31.7 °C 1943
9 31.1 °C 1904
9 31.1 °C 1917
What's the all-time low for Calgary on 7/21?
For the date of Jul 21, the lowest temperature ever reached in Calgary history is 4.1 °C which happened in 1990.
Lowest Temperatures in Calgary on July 21
Rank Temperature Year
1 4.1 °C 1990
2 4.4 °C 1895
2 4.4 °C 1922
2 4.4 °C 1904
2 4.4 °C 1933
6 4.5 °C 1984
7 5.0 °C 1896
7 5.0 °C 1885
7 5.0 °C 1925
7 5.0 °C 1923
7 5.0 °C 1966
7 5.0 °C 1974
Lowest High Temperatures in Calgary on July 21
Rank Temperature Year
1 10.6 °C 1911
2 12.2 °C 1896
2 12.2 °C 1972
4 13.9 °C 1952
5 14.4 °C 1954
6 15.0 °C 1897
7 15.3 °C 1984
8 17.2 °C 1914
9 17.8 °C 1966
10 18.3 °C 1968
10 18.3 °C 1895
What's the most it has ever rained in Calgary on 7/21?
For the date of Jul 21, the most precipitation ever recorded in Calgary history is 4.06 cm which happened in 1965.
All-Time Most Precipitation in Calgary on July 21
Rank Precipitation Year
1 4.06 cm 1965
2 1.68 cm 1961
3 1.52 cm 1897
4 1.32 cm 1975
5 1.09 cm 1918
6 1.02 cm 1898
7 0.97 cm 1970
8 0.85 cm 1984
9 0.79 cm 1920
10 0.66 cm 1914
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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