Seattle December 15 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of December 15.
December 15 All-Time Records
1894–2024
Highest temperature 63 °F 1980
Lowest temperature 18 °F 1924
Lowest daily high 30 °F 2008
Highest daily low 49 °F 1942
Most precipitation 1.63 inches 1924
Most snow 6.5 inches 1924
December 15 Average Weather
1991–2020 1
Average high 46.2 °F
Average low 36.6 °F
Chance precipitation 59.4%
Chance snow 5.0%
Seattle December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 52 39 0.00 0.0
2022 41 30 0.00 0.0
2021 42 36 0.08 0.0
2020 48 42 0.42 0.0
2019 44 38 0.11 0.0
2018 52 41 0.06 0.0
2017 43 37 0.06 0.0
2016 38 32 0.00 0.0
2015 44 34 0.06 0.0
2014 54 44 0.00 0.0
2013 53 47 0.05 0.0
2012 40 33 0.21 0.0
2011 44 38 0.03 0.0
2010 47 38 0.11 0.0
2009 48 38 0.29 0.0
2008 30 19 0.00 0.0
2007 45 41 0.18 n/a
2006 47 35 0.02 n/a
2005 38 28 0.00 n/a
2004 52 41 0.00 n/a
2003 45 38 0.01 n/a
2002 53 44 0.29 n/a
2001 47 37 0.52 n/a
2000 42 35 0.00 n/a
1999 52 48 1.40 n/a
1998 47 39 0.02 n/a
1997 47 38 0.41 n/a
1996 45 33 0.11 n/a
1995 50 39 0.00 0.0
1994 46 40 0.30 0.0
1993 47 42 0.00 0.0
1992 43 31 0.00 0.0
1991 40 26 0.00 0.0
1990 45 34 0.22 0.0
1989 42 32 0.00 0.0
1988 43 30 0.00 0.0
1987 38 26 0.00 0.0
1986 53 37 0.00 0.0
1985 48 35 0.00 0.0
1984 38 35 0.06 0.0
1983 43 35 0.00 0.0
1982 54 45 0.70 0.0
1981 46 42 0.73 0.0
1980 63 47 0.00 0.0
1979 42 32 1.45 1.2
1978 45 34 0.00 0.0
1977 49 40 1.08 0.0
1976 61 48 0.04 0.0
1975 44 33 0.15 0.0
1974 52 39 0.05 0.0
1973 54 44 1.28 0.0
1972 40 29 0.17 0.0
1971 41 34 0.01 0.0
1970 46 38 0.34 0.0
1969 52 41 0.02 0.0
1968 52 41 0.53 0.0
1967 41 27 0.00 0.0
1966 51 43 0.55 0.0
1965 38 25 0.00 0.0
1964 40 20 0.00 0.0
1963 45 41 0.39 0.0
1962 57 45 0.62 0.0
1961 43 35 0.25 0.0
1960 51 33 0.00 0.0
1959 53 43 1.60 0.0
1958 53 37 0.04 0.0
1957 51 37 0.04 0.0
1956 50 45 0.13 0.0
1955 37 33 0.05 0.0
1954 44 31 0.00 0.0
1953 47 38 0.00 0.0
1952 41 31 0.06 0.0
1951 44 37 0.37 0.0
1950 50 41 0.39 0.0
1949 43 33 0.15 0.0
1948 39 31 0.01 0.0
1947 50 45 0.13 0.0
1946 44 34 0.10 0.4
1945 40 28 0.00 0.0
1944 38 26 0.00 0.0
1943 42 31 0.00 0.0
1942 55 49 0.00 0.0
1941 55 47 1.59 0.0
1940 48 30 0.00 0.0
1939 55 47 1.11 0.0
1938 45 33 0.00 0.0
1937 52 45 0.01 0.0
1936 40 32 0.02 0.0
1935 45 41 0.14 0.0
1934 52 44 0.01 0.0
1933 39 34 0.07 0.0
1932 44 27 0.06 0.0
1931 38 30 0.00 0.0
1930 47 41 0.32 0.0
1929 46 40 0.16 0.0
1928 42 37 0.00 0.0
1927 45 33 0.03 0.0
1926 43 26 0.29 3.0
1925 52 42 0.01 0.0
1924 45 18 1.63 6.5
1923 52 47 0.04 0.0
1922 35 25 0.00 0.0
1921 42 33 0.00 0.5
1920 43 39 0.00 0.0
1919 40 28 0.01 0.0
1918 46 36 0.00 0.0
1917 54 46 0.93 0.0
1916 41 32 0.12 0.0
1915 42 38 0.00 0.0
1914 41 32 0.00 0.0
1913 53 41 0.00 0.0
1912 48 39 0.38 0.0
1911 48 40 0.43 0.0
1910 47 36 0.17 0.0
1909 39 35 0.00 0.0
1908 42 37 0.19 0.0
1907 42 31 0.00 0.0
1906 47 38 0.57 0.0
1905 46 37 0.00 0.0
1904 49 44 0.22 0.0
1903 51 46 1.16 0.0
1902 44 36 0.06 0.0
1901 41 35 0.00 0.0
1900 52 46 0.55 0.0
1899 42 37 0.11 0.0
1898 41 33 0.00 0.0
1897 40 31 0.00 0.0
1896 40 34 0.00 0.0
1895 38 33 0.27 1.0
1894 40 33 0.09 0.0
What's the all-time high for Seattle on 12/15?
For the date of Dec 15, the highest temperature ever reached in Seattle history is 63 °F which happened in 1980.
Highest Temperatures in Seattle on December 15
Rank Temperature Year
1 63 °F 1980
2 61 °F 1976
3 57 °F 1962
4 55 °F 1942
4 55 °F 1941
4 55 °F 1939
7 54 °F 1982
7 54 °F 2014
7 54 °F 1917
7 54 °F 1973
What's the all-time low for Seattle on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Seattle history is 18 °F which happened in 1924.
Lowest Temperatures in Seattle on December 15
Rank Temperature Year
1 18 °F 1924
2 19 °F 2008
3 20 °F 1964
4 25 °F 1965
4 25 °F 1922
6 26 °F 1991
6 26 °F 1987
6 26 °F 1926
6 26 °F 1944
10 27 °F 1932
10 27 °F 1967
Lowest High Temperatures in Seattle on December 15
Rank Temperature Year
1 30 °F 2008
2 35 °F 1922
3 37 °F 1955
4 38 °F 1931
4 38 °F 1984
4 38 °F 2005
4 38 °F 1944
4 38 °F 2016
4 38 °F 1987
4 38 °F 1965
4 38 °F 1895
What's the most it has ever rained in Seattle on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Seattle history is 1.63 inches which happened in 1924.
All-Time Most Precipitation in Seattle on December 15
Rank Precipitation Year
1 1.63 inches 1924
2 1.60 inches 1959
3 1.59 inches 1941
4 1.45 inches 1979
5 1.40 inches 1999
6 1.28 inches 1973
7 1.16 inches 1903
8 1.11 inches 1939
9 1.08 inches 1977
10 0.93 inches 1917
All-Time Most Snow in Seattle on December 15
Rank Precipitation Year
1 6.5 inches 1924
2 3.0 inches 1926
3 1.2 inches 1979
4 1.0 inches 1895
5 0.5 inches 1921
6 0.4 inches 1946
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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