Edmonton May 21 Weather Records

Daily averages and all-time records for weather in Edmonton, Alberta for the date of May 21.
May 21 All-Time Records
1880–2024
Highest temperature 31.7 °C 1928
Lowest temperature -4.0 °C 2022
Lowest daily high 1.6 °C 1997
Highest daily low 14.4 °C 1925
Most precipitation 3.98 cm 2020
May 21 Average Weather
1991–2020 1
Average high 18.7 °C
Average low 5.6 °C
Chance precipitation 42.6%
Edmonton May 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 28.7 11.1 0.18 n/a
2022 15.2 -4.0 0.00 n/a
2021 n/a n/a n/a n/a
2020 10.1 5.1 3.98 n/a
2019 18.1 -1.8 0.00 n/a
2018 24.7 7.2 0.00 n/a
2017 23.9 1.9 0.00 n/a
2016 5.7 3.1 n/a n/a
2015 24.5 3.9 0.00 n/a
2014 n/a n/a 0.10 n/a
2013 n/a n/a n/a n/a
2012 n/a n/a 0.00 n/a
2011 24.2 8.7 0.00 n/a
2010 14.2 3.7 1.09 n/a
2009 n/a n/a 0.15 n/a
2008 23.7 9.5 1.04 n/a
2007 15.7 2.6 0.00 n/a
2006 n/a n/a 0.99 n/a
2005 20.1 7.8 0.00 n/a
2004 13.3 5.3 0.00 0.0
2003 17.6 7.2 0.00 0.0
2002 12.7 2.2 0.40 0.0
2001 16.4 3.2 0.00 0.0
2000 20.6 9.5 0.00 0.0
1999 14.9 7.6 2.26 0.0
1998 25.8 10.8 0.00 0.0
1997 1.6 0.2 3.78 26.2
1996 13.5 4.2 0.00 0.0
1995 13.3 -2.0 0.00 0.0
1994 7.7 1.6 0.04 0.0
1993 21.4 10.4 0.06 0.0
1992 3.9 -1.6 0.18 1.8
1991 16.7 9.8 0.41 0.0
1990 18.2 6.9 0.34 0.0
1989 9.0 2.2 0.02 0.2
1988 24.4 4.0 0.00 0.0
1987 13.0 -0.9 0.00 0.0
1986 17.5 4.8 0.26 0.0
1985 27.8 11.0 0.00 0.0
1984 9.4 4.8 0.48 0.0
1983 18.4 6.3 0.00 0.0
1982 23.0 9.0 0.00 0.0
1981 24.7 11.0 0.00 0.0
1980 16.7 8.3 0.00 0.0
1979 14.9 5.9 0.00 0.0
1978 26.8 9.6 0.00 0.0
1977 21.9 7.3 0.00 0.0
1976 17.2 5.6 0.00 0.0
1975 18.9 5.0 0.00 0.0
1974 17.8 6.1 0.00 0.0
1973 18.3 5.6 0.00 0.0
1972 24.4 12.8 0.00 0.0
1971 20.0 5.0 0.00 0.0
1970 21.7 3.3 0.00 0.0
1969 20.0 5.0 0.00 0.0
1968 26.1 10.6 0.00 0.0
1967 25.0 8.9 0.00 0.0
1966 18.9 5.6 0.69 0.0
1965 16.1 0.0 0.00 0.0
1964 18.9 7.8 0.74 0.0
1963 18.3 4.4 0.00 0.0
1962 18.3 2.2 0.00 0.0
1961 26.7 11.1 0.00 0.0
1960 18.3 10.6 0.00 0.0
1959 15.6 -0.6 0.00 0.0
1958 21.1 11.1 0.03 0.0
1957 12.8 1.1 0.00 0.0
1956 21.1 12.8 0.00 0.0
1955 12.8 3.3 0.00 0.0
1954 15.6 10.6 0.66 0.0
1953 16.1 1.1 0.00 0.0
1952 17.2 10.0 0.41 0.0
1951 23.9 6.7 0.00 0.0
1950 17.8 3.9 0.00 0.0
1949 16.1 5.0 0.05 0.0
1948 27.2 11.7 0.00 0.0
1947 13.9 4.4 0.03 0.0
1946 20.6 5.6 0.00 0.0
1945 19.4 -1.1 0.00 0.0
1944 15.6 7.8 0.00 0.0
1943 24.4 5.6 0.00 0.0
1942 26.1 8.3 0.00 0.0
1941 13.9 3.9 0.00 0.0
1940 24.4 10.0 0.00 0.0
1939 11.1 6.7 0.10 0.0
1938 23.3 7.2 0.00 0.0
1937 18.9 1.1 0.00 0.0
1936 15.6 6.7 0.08 0.0
1935 24.4 8.9 0.03 0.0
1934 12.2 4.4 0.76 0.0
1933 23.3 4.4 0.00 0.0
1932 17.8 10.6 0.43 0.0
1931 10.6 -1.1 0.00 0.0
1930 3.3 -3.3 1.91 19.1
1929 20.6 4.4 0.00 0.0
1928 31.7 10.0 0.00 0.0
1927 18.3 1.7 0.00 0.0
1926 17.8 3.3 0.00 0.0
1925 21.7 14.4 0.05 0.0
1924 21.7 3.3 0.03 0.0
1923 27.2 6.1 0.00 0.0
1922 21.1 6.7 0.00 0.0
1921 22.2 11.1 0.00 0.0
1920 16.1 3.3 0.05 0.0
1919 21.1 2.8 0.00 0.0
1918 8.9 -3.9 0.00 0.0
1917 17.2 8.9 0.00 0.0
1916 17.2 2.8 0.86 0.0
1915 20.6 9.4 0.00 0.0
1914 16.7 3.9 0.20 0.0
1913 21.1 7.8 0.00 0.0
1912 17.2 4.4 0.00 0.0
1911 15.0 3.3 0.23 0.0
1910 20.6 2.8 0.00 0.0
1909 18.3 6.7 0.84 0.0
1908 20.0 3.9 0.00 0.0
1907 7.2 0.0 1.37 7.6
1906 11.7 5.6 0.00 0.0
1905 25.0 8.9 0.00 0.0
1904 23.3 7.2 0.15 0.0
1903 12.8 0.6 0.00 0.0
1902 16.7 7.8 2.18 0.0
1901 20.0 7.8 0.00 0.0
1900 19.4 6.7 0.15 0.0
1899 18.9 6.1 0.66 0.0
1898 23.9 -1.1 0.00 0.0
1897 28.9 7.2 0.00 0.0
1896 23.3 4.4 0.13 0.0
1895 25.0 4.4 0.00 0.0
1894 24.4 6.7 0.00 0.0
1893 16.1 0.6 0.00 0.0
1892 25.6 11.1 0.00 0.0
1891 22.8 5.0 0.00 0.0
1890 18.9 8.3 0.00 0.0
1889 14.4 7.8 0.00 0.0
1888 17.2 -1.1 0.00 0.0
1887 15.0 -0.6 0.00 0.0
1886 23.9 6.1 0.00 0.0
1885 11.1 4.4 0.00 0.0
1884 23.3 3.3 0.00 0.0
1883 11.7 1.1 0.30 0.0
1882 15.0 2.2 0.00 0.0
1881 n/a n/a 0.00 0.0
What's the all-time high for Edmonton on 5/21?
For the date of May 21, the highest temperature ever reached in Edmonton history is 31.7 °C which happened in 1928.
Highest Temperatures in Edmonton on May 21
Rank Temperature Year
1 31.7 °C 1928
2 28.9 °C 1897
3 28.7 °C 2023
4 27.8 °C 1985
5 27.2 °C 1923
5 27.2 °C 1948
7 26.8 °C 1978
8 26.7 °C 1961
9 26.1 °C 1942
9 26.1 °C 1968
What's the all-time low for Edmonton on 5/21?
For the date of May 21, the lowest temperature ever reached in Edmonton history is -4.0 °C which happened in 2022.
Lowest Temperatures in Edmonton on May 21
Rank Temperature Year
1 -4.0 °C 2022
2 -3.9 °C 1918
3 -3.3 °C 1930
4 -2.0 °C 1995
5 -1.8 °C 2019
6 -1.6 °C 1992
7 -1.1 °C 1931
7 -1.1 °C 1888
7 -1.1 °C 1898
7 -1.1 °C 1945
Lowest High Temperatures in Edmonton on May 21
Rank Temperature Year
1 1.6 °C 1997
2 3.3 °C 1930
3 3.9 °C 1992
4 5.7 °C 2016
5 7.2 °C 1907
6 7.7 °C 1994
7 8.9 °C 1918
8 9.0 °C 1989
9 9.4 °C 1984
10 10.1 °C 2020
What's the most it has ever rained in Edmonton on 5/21?
For the date of May 21, the most precipitation ever recorded in Edmonton history is 3.98 cm which happened in 2020.
All-Time Most Precipitation in Edmonton on May 21
Rank Precipitation Year
1 3.98 cm 2020
2 3.78 cm 1997
3 2.26 cm 1999
4 2.18 cm 1902
5 1.91 cm 1930
6 1.37 cm 1907
7 1.09 cm 2010
8 1.04 cm 2008
9 0.99 cm 2006
10 0.86 cm 1916
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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