Edmonton August 21 Weather Records

Daily averages and all-time records for weather in Edmonton, Alberta for the date of August 21.
August 21 All-Time Records
1880–2024
Highest temperature 31.7 °C 1894
Lowest temperature -0.6 °C 1908
Lowest daily high 10.1 °C 1992
Highest daily low 15.6 °C 1967
Most precipitation 2.92 cm 1975
August 21 Average Weather
1991–2020 1
Average high 22.1 °C
Average low 9.6 °C
Chance precipitation 42.0%
Edmonton August 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 19.6 4.2 0.00 n/a
2022 24.8 15.0 0.00 n/a
2021 22.3 1.6 0.00 n/a
2020 22.7 8.4 0.00 n/a
2019 26.0 11.9 0.00 n/a
2018 26.7 1.1 0.00 n/a
2017 21.8 2.5 0.00 n/a
2016 23.2 6.9 0.00 n/a
2015 11.8 5.7 n/a n/a
2014 n/a n/a 0.05 n/a
2013 n/a n/a 0.00 n/a
2012 30.3 14.1 0.00 n/a
2011 n/a n/a 0.00 n/a
2010 n/a n/a 0.00 n/a
2009 n/a n/a 0.00 n/a
2008 n/a n/a 0.00 n/a
2007 21.9 10.8 0.05 n/a
2006 n/a n/a 0.00 n/a
2005 n/a n/a 0.00 n/a
2004 16.7 9.4 0.38 0.0
2003 23.2 12.3 0.00 0.0
2002 26.0 9.5 0.00 0.0
2001 23.4 8.3 0.00 0.0
2000 21.8 8.7 0.00 0.0
1999 29.1 13.8 0.98 0.0
1998 26.2 13.6 0.00 0.0
1997 19.6 12.8 0.56 0.0
1996 20.6 8.7 0.00 0.0
1995 22.1 7.2 0.12 0.0
1994 24.7 12.4 0.00 0.0
1993 n/a n/a n/a n/a
1992 10.1 0.4 0.76 1.0
1991 22.5 13.1 0.00 0.0
1990 27.4 15.4 0.00 0.0
1989 21.4 10.4 0.02 0.0
1988 20.5 11.0 1.20 0.0
1987 17.8 7.2 0.04 0.0
1986 19.4 10.1 0.00 0.0
1985 12.5 7.3 0.24 0.0
1984 23.1 7.7 0.00 0.0
1983 21.3 8.0 0.00 0.0
1982 24.0 12.2 0.46 0.0
1981 25.3 14.1 0.00 0.0
1980 18.8 7.6 0.00 0.0
1979 22.6 11.3 0.00 0.0
1978 17.1 6.0 0.00 0.0
1977 15.6 7.3 0.18 0.0
1976 21.7 7.2 0.00 0.0
1975 22.2 10.6 2.92 0.0
1974 17.2 10.0 0.00 0.0
1973 22.2 8.3 0.00 0.0
1972 25.6 11.7 0.00 0.0
1971 30.0 13.3 0.00 0.0
1970 25.6 10.6 0.00 0.0
1969 21.1 10.0 0.00 0.0
1968 18.3 11.1 0.05 0.0
1967 25.0 15.6 0.00 0.0
1966 20.6 9.4 0.00 0.0
1965 28.9 14.4 0.00 0.0
1964 21.1 9.4 0.00 0.0
1963 20.6 8.3 0.00 0.0
1962 20.0 8.9 0.00 0.0
1961 30.0 13.9 0.00 0.0
1960 20.6 8.3 0.41 0.0
1959 15.6 11.1 0.23 0.0
1958 25.0 13.9 0.00 0.0
1957 19.4 11.1 0.00 0.0
1956 25.0 15.0 0.00 0.0
1955 20.0 8.3 0.00 0.0
1954 20.6 6.7 0.00 0.0
1953 19.4 11.1 0.00 0.0
1952 24.4 11.7 0.00 0.0
1951 26.1 10.0 0.00 0.0
1950 24.4 13.3 0.03 0.0
1949 21.7 11.1 0.00 0.0
1948 18.9 5.6 0.00 0.0
1947 16.7 8.9 0.03 0.0
1946 29.4 11.1 0.00 0.0
1945 21.1 9.4 0.00 0.0
1944 19.4 8.9 0.00 0.0
1943 21.1 6.1 0.08 0.0
1942 13.3 9.4 0.00 0.0
1941 26.7 5.0 0.00 0.0
1940 23.3 10.6 0.18 0.0
1939 21.7 8.3 0.00 0.0
1938 13.9 8.9 0.36 0.0
1937 26.7 6.1 0.00 0.0
1936 13.9 11.1 1.32 0.0
1935 25.6 9.4 0.13 0.0
1934 20.0 5.6 0.00 0.0
1933 24.4 1.1 0.00 0.0
1932 19.4 9.4 0.00 0.0
1931 21.7 9.4 0.41 0.0
1930 23.3 8.3 0.00 0.0
1929 22.8 4.4 0.00 0.0
1928 23.3 7.2 0.03 0.0
1927 20.0 5.6 0.00 0.0
1926 13.9 8.3 1.96 0.0
1925 15.0 7.2 0.03 0.0
1924 18.3 8.3 0.05 0.0
1923 23.3 4.4 0.00 0.0
1922 21.1 7.2 0.20 0.0
1921 22.8 8.3 0.03 0.0
1920 27.2 10.0 0.00 0.0
1919 24.4 10.0 0.08 0.0
1918 21.1 10.6 0.03 0.0
1917 24.4 11.7 0.20 0.0
1916 22.8 5.0 0.00 0.0
1915 27.2 11.7 0.00 0.0
1914 26.1 10.0 0.00 0.0
1913 25.6 4.4 0.00 0.0
1912 27.2 12.2 0.00 0.0
1911 18.3 6.7 0.00 0.0
1910 16.1 8.3 1.02 0.0
1909 20.6 4.4 0.00 0.0
1908 17.2 -0.6 0.00 0.0
1907 23.9 5.6 0.00 0.0
1906 17.8 6.7 0.05 0.0
1905 19.4 7.8 0.00 0.0
1904 20.0 3.9 0.00 0.0
1903 22.2 7.2 0.00 0.0
1902 26.7 10.0 0.00 0.0
1901 18.9 8.3 0.00 0.0
1900 21.7 9.4 0.05 0.0
1899 11.7 8.9 0.58 0.0
1898 21.7 10.0 0.05 0.0
1897 28.9 13.9 0.08 0.0
1896 21.1 6.7 0.03 0.0
1895 22.2 4.4 0.18 0.0
1894 31.7 10.0 0.00 0.0
1893 26.1 10.6 0.00 0.0
1892 24.4 2.8 0.00 0.0
1891 20.0 2.8 0.00 0.0
1890 26.1 8.9 0.00 0.0
1889 27.8 5.6 0.00 0.0
1888 28.9 13.3 0.00 0.0
1887 15.6 9.4 0.58 0.0
1886 20.0 7.8 0.00 0.0
1885 23.3 3.9 0.00 0.0
1884 17.2 5.6 0.48 0.0
1883 18.9 2.8 0.00 0.0
1882 23.9 6.7 0.00 0.0
1881 n/a n/a n/a n/a
1880 20.0 7.2 0.00 0.0
What's the all-time high for Edmonton on 8/21?
For the date of Aug 21, the highest temperature ever reached in Edmonton history is 31.7 °C which happened in 1894.
Highest Temperatures in Edmonton on August 21
Rank Temperature Year
1 31.7 °C 1894
2 30.3 °C 2012
3 30.0 °C 1971
3 30.0 °C 1961
5 29.4 °C 1946
6 29.1 °C 1999
7 28.9 °C 1888
7 28.9 °C 1897
7 28.9 °C 1965
10 27.8 °C 1889
What's the all-time low for Edmonton on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Edmonton history is -0.6 °C which happened in 1908.
Lowest Temperatures in Edmonton on August 21
Rank Temperature Year
1 -0.6 °C 1908
2 0.4 °C 1992
3 1.1 °C 1933
3 1.1 °C 2018
5 1.6 °C 2021
6 2.5 °C 2017
7 2.8 °C 1892
7 2.8 °C 1891
7 2.8 °C 1883
10 3.9 °C 1904
10 3.9 °C 1885
Lowest High Temperatures in Edmonton on August 21
Rank Temperature Year
1 10.1 °C 1992
2 11.7 °C 1899
3 11.8 °C 2015
4 12.5 °C 1985
5 13.3 °C 1942
6 13.9 °C 1938
6 13.9 °C 1936
6 13.9 °C 1926
9 15.0 °C 1925
10 15.6 °C 1977
10 15.6 °C 1959
10 15.6 °C 1887
What's the most it has ever rained in Edmonton on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Edmonton history is 2.92 cm which happened in 1975.
All-Time Most Precipitation in Edmonton on August 21
Rank Precipitation Year
1 2.92 cm 1975
2 1.96 cm 1926
3 1.32 cm 1936
4 1.20 cm 1988
5 1.02 cm 1910
6 0.98 cm 1999
7 0.76 cm 1992
8 0.58 cm 1899
8 0.58 cm 1887
10 0.56 cm 1997
Weather Station Details
Years Station Coordinates
2015–2024 Edmonton International Airport location
1938–2014 Edmonton City Center location
1880–1937 Edmonton location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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