Seattle May 20 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of May 20.
May 20 All-Time Records
1894–2024
Highest temperature 92 °F 1963
Lowest temperature 40 °F 1960
Lowest daily high 50 °F 1927
Highest daily low 62 °F 1963
Most precipitation 0.90 inches 1930
Most snow none -
May 20 Average Weather
1991–2020 1
Average high 66.3 °F
Average low 49.0 °F
Chance precipitation 34.2%
Chance snow 0%
Seattle May 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 54 0.01 0.0
2022 61 41 0.00 0.0
2021 61 44 0.01 0.0
2020 59 51 0.03 0.0
2019 57 52 0.05 0.0
2018 68 55 0.00 0.0
2017 72 53 0.00 0.0
2016 66 49 0.00 0.0
2015 74 51 0.00 0.0
2014 72 50 0.00 0.0
2013 67 49 0.00 0.0
2012 58 53 0.25 0.0
2011 70 45 0.00 0.0
2010 56 44 0.21 0.0
2009 62 46 0.00 0.0
2008 59 49 0.19 n/a
2007 55 45 0.56 n/a
2006 68 52 0.00 n/a
2005 59 48 0.24 n/a
2004 67 52 0.00 n/a
2003 58 49 0.08 n/a
2002 64 48 0.10 n/a
2001 65 45 0.00 n/a
2000 61 52 0.00 n/a
1999 60 44 0.00 n/a
1998 66 51 0.00 n/a
1997 61 50 0.08 n/a
1996 62 45 0.01 0.0
1995 76 47 0.00 0.0
1994 60 50 0.03 0.0
1993 72 52 0.14 0.0
1992 63 46 0.00 0.0
1991 67 51 0.00 0.0
1990 60 48 0.18 0.0
1989 65 46 0.00 0.0
1988 70 47 0.00 0.0
1987 68 42 0.00 0.0
1986 59 47 0.00 0.0
1985 60 51 0.00 0.0
1984 59 45 0.00 0.0
1983 73 50 0.00 0.0
1982 69 49 0.00 0.0
1981 58 50 0.01 0.0
1980 55 48 0.02 0.0
1979 75 46 0.00 0.0
1978 82 53 0.00 0.0
1977 72 50 0.00 0.0
1976 64 47 0.00 0.0
1975 66 41 0.00 0.0
1974 63 49 0.00 0.0
1973 62 43 0.00 0.0
1972 79 55 0.00 0.0
1971 54 42 0.01 0.0
1970 60 49 0.00 0.0
1969 67 52 0.00 0.0
1968 65 52 0.22 0.0
1967 82 54 0.00 0.0
1966 63 51 0.00 0.0
1965 63 47 0.00 0.0
1964 59 47 0.22 0.0
1963 92 62 0.00 0.0
1962 60 45 0.00 0.0
1961 66 50 0.00 0.0
1960 57 40 0.06 0.0
1959 65 41 0.00 0.0
1958 74 53 0.00 0.0
1957 57 48 0.02 0.0
1956 66 51 0.00 0.0
1955 59 43 0.00 0.0
1954 62 47 0.13 0.0
1953 60 41 0.00 0.0
1952 58 49 0.10 0.0
1951 68 44 0.00 0.0
1950 67 43 0.00 0.0
1949 68 48 0.00 0.0
1948 73 44 0.00 0.0
1947 72 48 0.00 0.0
1946 66 51 0.00 0.0
1945 63 50 0.00 0.0
1944 64 46 0.00 0.0
1943 62 50 0.23 0.0
1942 70 55 0.00 0.0
1941 64 53 0.00 0.0
1940 71 51 0.00 0.0
1939 65 49 0.02 0.0
1938 83 51 0.00 0.0
1937 64 48 0.00 0.0
1936 58 48 0.00 0.0
1935 79 50 0.00 0.0
1934 64 45 0.00 0.0
1933 62 48 0.00 0.0
1932 60 49 0.10 0.0
1931 65 45 0.00 0.0
1930 55 44 0.90 0.0
1929 71 49 0.00 0.0
1928 82 54 0.00 0.0
1927 50 43 0.09 0.0
1926 60 52 0.12 0.0
1925 67 50 0.00 0.0
1924 71 49 0.00 0.0
1923 63 48 0.00 0.0
1922 56 46 0.04 0.0
1921 66 49 0.02 0.0
1920 54 44 0.04 0.0
1919 65 47 0.00 0.0
1918 57 41 0.00 0.0
1917 59 47 0.00 0.0
1916 59 46 0.00 0.0
1915 62 49 0.00 0.0
1914 76 54 0.00 0.0
1913 64 47 0.00 0.0
1912 56 51 0.77 0.0
1911 64 43 0.00 0.0
1910 64 46 0.00 0.0
1909 56 41 0.00 0.0
1908 60 48 0.00 0.0
1907 60 48 0.00 0.0
1906 61 48 0.18 0.0
1905 55 45 0.09 0.0
1904 69 46 0.00 0.0
1903 56 44 0.20 0.0
1902 60 48 0.00 0.0
1901 61 41 0.00 0.0
1900 65 46 0.00 0.0
1899 62 48 0.00 0.0
1898 62 43 0.01 0.0
1897 66 53 0.00 0.0
1896 68 42 0.00 0.0
1895 62 48 0.00 0.0
1894 56 48 0.51 0.0
What's the all-time high for Seattle on 5/20?
For the date of May 20, the highest temperature ever reached in Seattle history is 92 °F which happened in 1963.
Highest Temperatures in Seattle on May 20
Rank Temperature Year
1 92 °F 1963
2 83 °F 1938
3 82 °F 1928
3 82 °F 1967
3 82 °F 1978
6 79 °F 1935
6 79 °F 1972
8 78 °F 2023
9 76 °F 1995
9 76 °F 1914
What's the all-time low for Seattle on 5/20?
For the date of May 20, the lowest temperature ever reached in Seattle history is 40 °F which happened in 1960.
Lowest Temperatures in Seattle on May 20
Rank Temperature Year
1 40 °F 1960
2 41 °F 1901
2 41 °F 2022
2 41 °F 1953
2 41 °F 1959
2 41 °F 1975
2 41 °F 1918
2 41 °F 1909
9 42 °F 1987
9 42 °F 1896
9 42 °F 1971
Lowest High Temperatures in Seattle on May 20
Rank Temperature Year
1 50 °F 1927
2 54 °F 1971
2 54 °F 1920
4 55 °F 2007
4 55 °F 1905
4 55 °F 1930
4 55 °F 1980
8 56 °F 1894
8 56 °F 1912
8 56 °F 1922
8 56 °F 2010
8 56 °F 1909
8 56 °F 1903
What's the most it has ever rained in Seattle on 5/20?
For the date of May 20, the most precipitation ever recorded in Seattle history is 0.90 inches which happened in 1930.
All-Time Most Precipitation in Seattle on May 20
Rank Precipitation Year
1 0.90 inches 1930
2 0.77 inches 1912
3 0.56 inches 2007
4 0.51 inches 1894
5 0.25 inches 2012
6 0.24 inches 2005
7 0.23 inches 1943
8 0.22 inches 1968
8 0.22 inches 1964
10 0.21 inches 2010
Weather Station Details
Years Station Coordinates
1948–2024 Seattle Tacoma International Airport location
1894–1947 University of Washington location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy