Seattle June 30 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of June 30.
June 30 All-Time Records
1894–2024
Highest temperature 97 °F 1942
Lowest temperature 43 °F 1949
Lowest daily high 55 °F 1912
Highest daily low 63 °F 2013
Most precipitation 0.84 inches 1954
Most snow none -
June 30 Average Weather
1991–2020 1
Average high 73.5 °F
Average low 54.6 °F
Chance precipitation 22.3%
Chance snow 0%
Seattle June 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 79 58 0.00 0.0
2022 75 54 0.00 0.0
2021 74 60 0.00 0.0
2020 66 54 0.13 0.0
2019 81 58 0.00 0.0
2018 66 56 0.00 0.0
2017 86 57 0.00 0.0
2016 73 55 0.00 0.0
2015 87 59 0.00 0.0
2014 78 55 0.00 0.0
2013 93 63 0.00 0.0
2012 68 56 0.12 0.0
2011 67 53 0.00 0.0
2010 65 50 0.00 0.0
2009 75 51 0.00 0.0
2008 82 57 0.00 n/a
2007 73 51 0.00 n/a
2006 85 57 0.00 n/a
2005 77 57 0.00 n/a
2004 78 53 0.00 n/a
2003 69 56 0.01 n/a
2002 67 54 0.00 n/a
2001 71 49 0.00 n/a
2000 66 54 0.01 n/a
1999 65 55 0.01 n/a
1998 75 53 0.00 n/a
1997 69 51 0.00 n/a
1996 79 50 0.00 0.0
1995 96 63 0.00 0.0
1994 70 56 0.00 0.0
1993 72 52 0.00 0.0
1992 75 53 0.00 0.0
1991 72 53 0.02 0.0
1990 72 57 0.01 0.0
1989 69 55 0.29 0.0
1988 71 50 0.00 0.0
1987 83 56 0.00 0.0
1986 75 49 0.00 0.0
1985 70 49 0.00 0.0
1984 67 51 0.00 0.0
1983 67 50 0.01 0.0
1982 63 56 0.58 0.0
1981 64 54 0.02 0.0
1980 70 50 0.00 0.0
1979 67 54 0.12 0.0
1978 75 59 0.00 0.0
1977 83 57 0.00 0.0
1976 71 52 0.00 0.0
1975 80 53 0.00 0.0
1974 83 58 0.00 0.0
1973 63 48 0.02 0.0
1972 73 52 0.00 0.0
1971 65 48 0.00 0.0
1970 63 47 0.00 0.0
1969 78 55 0.00 0.0
1968 72 51 0.00 0.0
1967 75 53 0.00 0.0
1966 67 50 0.00 0.0
1965 89 61 0.00 0.0
1964 75 50 0.00 0.0
1963 69 52 0.00 0.0
1962 67 52 0.00 0.0
1961 73 50 0.00 0.0
1960 65 52 0.00 0.0
1959 77 53 0.00 0.0
1958 69 52 0.00 0.0
1957 68 49 0.00 0.0
1956 69 49 0.00 0.0
1955 57 46 0.40 0.0
1954 59 53 0.84 0.0
1953 68 50 0.00 0.0
1952 67 53 0.00 0.0
1951 90 54 0.00 0.0
1950 77 57 0.00 0.0
1949 73 43 0.00 0.0
1948 74 53 0.00 0.0
1947 77 52 0.00 0.0
1946 74 55 0.07 0.0
1945 76 50 0.00 0.0
1944 66 55 0.01 0.0
1943 80 57 0.00 0.0
1942 97 62 0.00 0.0
1941 71 56 0.00 0.0
1940 81 56 0.00 0.0
1939 70 54 0.00 0.0
1938 62 53 0.00 0.0
1937 74 57 0.04 0.0
1936 73 57 0.00 0.0
1935 62 52 0.35 0.0
1934 77 56 0.00 0.0
1933 66 54 0.01 0.0
1932 79 52 0.00 0.0
1931 69 47 0.00 0.0
1930 73 52 0.00 0.0
1929 75 52 0.00 0.0
1928 62 55 0.00 0.0
1927 67 50 0.00 0.0
1926 76 56 0.00 0.0
1925 61 51 0.01 0.0
1924 84 61 0.00 0.0
1923 77 56 0.00 0.0
1922 77 51 0.00 0.0
1921 65 54 0.17 0.0
1920 79 57 0.00 0.0
1919 69 51 0.00 0.0
1918 78 54 0.00 0.0
1917 72 51 0.00 0.0
1916 66 54 0.32 0.0
1915 86 59 0.00 0.0
1914 82 56 0.00 0.0
1913 67 56 0.12 0.0
1912 55 50 0.23 0.0
1911 60 52 0.00 0.0
1910 66 55 0.04 0.0
1909 67 53 0.00 0.0
1908 85 59 0.00 0.0
1907 70 54 0.00 0.0
1906 77 55 0.00 0.0
1905 72 55 0.00 0.0
1904 72 56 0.00 0.0
1903 65 52 0.00 0.0
1902 66 54 0.00 0.0
1901 67 48 0.08 0.0
1900 63 51 0.10 0.0
1899 69 48 0.00 0.0
1898 79 50 0.00 0.0
1897 74 59 0.04 0.0
1896 73 54 0.00 0.0
1895 68 56 0.01 0.0
1894 67 51 0.00 0.0
What's the all-time high for Seattle on 6/30?
For the date of Jun 30, the highest temperature ever reached in Seattle history is 97 °F which happened in 1942.
Highest Temperatures in Seattle on June 30
Rank Temperature Year
1 97 °F 1942
2 96 °F 1995
3 93 °F 2013
4 90 °F 1951
5 89 °F 1965
6 87 °F 2015
7 86 °F 1915
7 86 °F 2017
9 85 °F 2006
9 85 °F 1908
What's the all-time low for Seattle on 6/30?
For the date of Jun 30, the lowest temperature ever reached in Seattle history is 43 °F which happened in 1949.
Lowest Temperatures in Seattle on June 30
Rank Temperature Year
1 43 °F 1949
2 46 °F 1955
3 47 °F 1931
3 47 °F 1970
5 48 °F 1901
5 48 °F 1971
5 48 °F 1973
5 48 °F 1899
9 49 °F 1957
9 49 °F 1956
9 49 °F 1985
9 49 °F 1986
9 49 °F 2001
Lowest High Temperatures in Seattle on June 30
Rank Temperature Year
1 55 °F 1912
2 57 °F 1955
3 59 °F 1954
4 60 °F 1911
5 61 °F 1925
6 62 °F 1935
6 62 °F 1928
6 62 °F 1938
9 63 °F 1982
9 63 °F 1900
9 63 °F 1970
9 63 °F 1973
What's the most it has ever rained in Seattle on 6/30?
For the date of Jun 30, the most precipitation ever recorded in Seattle history is 0.84 inches which happened in 1954.
All-Time Most Precipitation in Seattle on June 30
Rank Precipitation Year
1 0.84 inches 1954
2 0.58 inches 1982
3 0.40 inches 1955
4 0.35 inches 1935
5 0.32 inches 1916
6 0.29 inches 1989
7 0.23 inches 1912
8 0.17 inches 1921
9 0.13 inches 2020
10 0.12 inches 1913
10 0.12 inches 1979
10 0.12 inches 2012
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.
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