Edmonton October 21 Weather Records

Daily averages and all-time records for weather in Edmonton, Alberta for the date of October 21.
October 21 All-Time Records
1880–2024
Highest temperature 23.3 °C 1901
Lowest temperature -16.7 °C 1951
Lowest daily high -5.6 °C 1933
Highest daily low 7.8 °C 1942
Most precipitation 2.12 cm 1991
October 21 Average Weather
1991–2020 1
Average high 8.6 °C
Average low -2.2 °C
Chance precipitation 37.4%
Edmonton October 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 11.3 -4.6 0.00 n/a
2022 9.0 -0.4 0.00 n/a
2021 10.0 -1.5 0.00 n/a
2020 -2.0 -9.4 0.00 n/a
2019 8.3 -7.3 0.00 n/a
2018 11.7 -6.2 0.03 n/a
2017 9.8 -6.6 0.00 n/a
2016 12.1 -2.8 0.06 n/a
2015 20.2 -1.0 n/a n/a
2014 n/a n/a n/a n/a
2013 n/a n/a 0.00 n/a
2012 3.4 -4.4 0.00 n/a
2011 n/a n/a 0.00 n/a
2010 n/a n/a 0.00 n/a
2009 9.9 -4.0 0.00 n/a
2008 n/a n/a 0.00 n/a
2007 n/a n/a 0.00 n/a
2006 5.2 0.6 0.05 n/a
2005 n/a n/a n/a n/a
2004 -2.4 -4.4 0.00 0.0
2003 19.4 1.9 0.00 0.0
2002 0.5 -5.4 0.32 6.2
2001 4.4 -3.1 0.00 0.2
2000 10.1 2.9 0.00 0.0
1999 12.0 5.9 0.00 0.0
1998 21.7 3.1 0.00 0.0
1997 12.3 -0.3 0.00 0.0
1996 8.9 -5.0 0.04 0.0
1995 10.9 -1.2 0.00 0.0
1994 9.8 0.9 0.20 0.5
1993 13.5 -0.9 0.00 0.0
1992 11.6 0.0 0.06 0.0
1991 5.7 -5.7 2.12 15.2
1990 9.9 -3.2 0.00 0.0
1989 18.2 -0.2 0.00 0.0
1988 18.8 2.5 0.00 0.0
1987 6.1 2.2 0.00 0.0
1986 17.5 4.6 0.00 0.0
1985 17.2 2.9 0.00 0.0
1984 -0.6 -7.1 0.00 0.0
1983 15.5 -0.5 0.00 0.0
1982 9.1 -4.4 0.00 0.0
1981 1.1 -4.8 0.04 0.6
1980 7.5 0.1 0.00 0.0
1979 5.1 -1.9 0.00 0.0
1978 9.3 0.4 0.16 0.0
1977 11.0 -0.4 0.00 0.0
1976 8.3 -0.6 0.00 0.0
1975 8.3 0.0 0.00 0.0
1974 8.9 -0.6 0.00 0.0
1973 6.1 -0.6 0.00 0.0
1972 2.8 -0.6 0.69 4.1
1971 11.7 -2.8 0.00 0.0
1970 7.2 0.0 0.00 0.0
1969 2.8 -1.1 0.13 1.0
1968 11.1 -0.6 0.00 0.0
1967 11.7 -0.6 0.03 0.0
1966 1.7 -5.0 0.00 0.0
1965 21.7 5.0 0.00 0.0
1964 12.2 3.3 0.30 0.0
1963 17.8 2.8 0.00 0.0
1962 7.8 0.6 0.30 0.0
1961 -4.4 -11.1 0.43 5.3
1960 8.3 1.1 0.69 0.0
1959 13.3 0.0 0.00 0.0
1958 17.8 1.7 0.00 0.0
1957 -0.6 -7.8 0.00 0.0
1956 10.0 -5.6 0.00 0.0
1955 13.9 1.1 0.03 0.0
1954 13.3 0.6 0.00 0.0
1953 12.2 1.1 0.00 0.0
1952 18.3 2.8 0.00 0.0
1951 -3.3 -16.7 0.05 0.5
1950 5.6 -3.9 0.00 0.0
1949 15.6 -2.2 0.20 0.0
1948 11.1 3.9 0.03 0.0
1947 8.3 0.6 0.00 0.0
1946 13.9 2.8 0.00 0.0
1945 7.8 -3.9 0.00 0.0
1944 13.9 0.6 0.00 0.0
1943 4.4 0.0 0.00 0.0
1942 12.2 7.8 0.05 0.0
1941 15.0 0.6 0.15 0.0
1940 17.2 6.7 0.66 0.0
1939 12.2 6.1 0.00 0.0
1938 15.6 -3.3 0.00 0.0
1937 15.6 -0.6 0.00 0.0
1936 -1.1 -13.3 0.13 1.3
1935 0.0 -3.3 0.79 7.9
1934 3.3 -3.9 0.00 0.0
1933 -5.6 -11.1 0.10 1.0
1932 12.2 -2.2 0.00 0.0
1931 5.0 -7.2 0.00 0.0
1930 8.9 -11.7 0.00 0.0
1929 14.4 -3.9 0.00 0.0
1928 12.2 -5.6 0.00 0.0
1927 14.4 -2.8 0.00 0.0
1926 8.3 -1.1 0.00 0.0
1925 12.8 7.2 1.17 0.0
1924 17.2 1.1 0.00 0.0
1923 17.8 0.6 0.00 0.0
1922 10.6 1.1 0.00 0.0
1921 6.1 2.2 0.08 0.0
1920 8.3 1.1 0.53 1.8
1919 0.0 -2.2 2.01 20.1
1918 15.6 1.1 0.13 1.3
1917 1.1 -11.1 0.05 0.5
1916 7.2 1.1 0.03 0.0
1915 12.8 4.4 0.00 0.0
1914 13.3 -4.4 0.00 0.0
1913 10.0 2.8 0.00 0.0
1912 6.7 -5.6 0.00 0.0
1911 13.9 3.9 0.00 0.0
1910 11.1 0.0 0.00 0.0
1909 2.2 -0.6 0.05 0.5
1908 1.1 -4.4 0.76 7.6
1907 17.8 6.7 0.00 0.0
1906 9.4 -3.9 0.00 0.0
1905 10.6 -5.0 0.00 0.0
1904 8.9 2.8 0.10 0.0
1903 12.8 0.6 0.36 0.0
1902 11.7 -4.4 0.00 0.0
1901 23.3 3.3 0.00 0.0
1900 10.6 1.1 0.00 0.0
1899 1.7 -2.8 0.00 0.0
1898 7.8 -2.8 0.00 0.0
1897 18.3 2.8 0.00 0.0
1896 7.8 -3.3 0.00 0.0
1895 13.9 0.6 0.00 0.0
1894 1.1 -6.7 0.00 0.0
1893 3.3 -11.1 0.08 0.8
1892 8.9 -2.2 0.00 0.0
1891 9.4 1.1 0.00 0.0
1890 10.6 -0.6 0.00 0.0
1889 6.7 -5.0 0.00 0.0
1888 13.3 1.7 0.00 0.0
1887 6.7 -2.2 0.00 0.0
1886 18.9 4.4 0.00 0.0
1885 18.3 -1.7 0.00 0.0
1884 6.7 -3.3 0.00 0.0
1883 n/a n/a 0.00 0.0
1882 10.6 -4.4 0.00 0.0
1881 6.7 -8.9 n/a n/a
1880 13.3 -3.9 0.00 0.0
What's the all-time high for Edmonton on 10/21?
For the date of Oct 21, the highest temperature ever reached in Edmonton history is 23.3 °C which happened in 1901.
Highest Temperatures in Edmonton on October 21
Rank Temperature Year
1 23.3 °C 1901
2 21.7 °C 1965
2 21.7 °C 1998
4 20.2 °C 2015
5 19.4 °C 2003
6 18.9 °C 1886
7 18.8 °C 1988
8 18.3 °C 1885
8 18.3 °C 1897
8 18.3 °C 1952
What's the all-time low for Edmonton on 10/21?
For the date of Oct 21, the lowest temperature ever reached in Edmonton history is -16.7 °C which happened in 1951.
Lowest Temperatures in Edmonton on October 21
Rank Temperature Year
1 -16.7 °C 1951
2 -13.3 °C 1936
3 -11.7 °C 1930
4 -11.1 °C 1961
4 -11.1 °C 1933
4 -11.1 °C 1893
4 -11.1 °C 1917
8 -9.4 °C 2020
9 -8.9 °C 1881
10 -7.8 °C 1957
Lowest High Temperatures in Edmonton on October 21
Rank Temperature Year
1 -5.6 °C 1933
2 -4.4 °C 1961
3 -3.3 °C 1951
4 -2.4 °C 2004
5 -2.0 °C 2020
6 -1.1 °C 1936
7 -0.6 °C 1984
7 -0.6 °C 1957
9 0.0 °C 1919
9 0.0 °C 1935
What's the most it has ever rained in Edmonton on 10/21?
For the date of Oct 21, the most precipitation ever recorded in Edmonton history is 2.12 cm which happened in 1991.
All-Time Most Precipitation in Edmonton on October 21
Rank Precipitation Year
1 2.12 cm 1991
2 2.01 cm 1919
3 1.17 cm 1925
4 0.79 cm 1935
5 0.76 cm 1908
6 0.69 cm 1960
6 0.69 cm 1972
8 0.66 cm 1940
9 0.53 cm 1920
10 0.43 cm 1961
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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