Seattle January 21 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of January 21.
January 21 All-Time Records
1894–2024
Highest temperature 62 °F 1981
Lowest temperature 13 °F 1962
Lowest daily high 28 °F 1943
Highest daily low 50 °F 1981
Most precipitation 2.32 inches 1935
Most snow 8.4 inches 1935
January 21 Average Weather
1991–2020 1
Average high 47.6 °F
Average low 37.5 °F
Chance precipitation 60.1%
Chance snow 4.4%
Seattle January 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 48 42 0.46 0.0
2023 43 32 0.13 0.0
2022 48 37 0.00 0.0
2021 46 41 0.04 0.0
2020 53 45 0.52 0.0
2019 47 36 0.00 0.0
2018 51 39 0.11 0.0
2017 54 40 0.05 0.0
2016 53 45 1.15 0.0
2015 45 31 0.00 0.0
2014 50 35 0.00 0.0
2013 36 29 0.00 0.0
2012 47 38 0.12 0.0
2011 49 44 0.51 0.0
2010 56 45 0.00 0.0
2009 40 31 0.00 0.0
2008 39 25 0.00 n/a
2007 42 37 0.00 n/a
2006 49 42 0.12 n/a
2005 61 49 0.02 n/a
2004 44 33 0.00 n/a
2003 44 41 0.55 n/a
2002 40 35 0.00 n/a
2001 45 40 0.76 n/a
2000 48 39 0.19 n/a
1999 45 41 0.19 n/a
1998 43 39 0.31 n/a
1997 45 36 0.10 n/a
1996 42 32 0.62 1.1
1995 58 45 0.00 0.0
1994 52 36 0.10 0.0
1993 44 37 0.14 0.0
1992 49 38 0.08 0.0
1991 47 27 0.00 0.0
1990 46 40 0.12 0.0
1989 46 36 0.02 0.0
1988 47 35 0.00 0.0
1987 40 30 0.00 0.0
1986 47 39 0.00 0.0
1985 40 36 0.00 0.0
1984 46 34 0.04 0.0
1983 44 31 0.00 0.0
1982 41 32 0.04 0.0
1981 62 50 0.19 0.0
1980 47 32 0.00 0.0
1979 44 34 0.37 0.0
1978 50 43 0.72 0.0
1977 52 37 0.02 0.0
1976 52 33 0.00 0.0
1975 44 29 0.00 0.0
1974 42 30 0.06 0.0
1973 46 36 0.00 0.0
1972 50 44 0.33 0.0
1971 40 35 0.11 0.0
1970 55 46 0.32 0.0
1969 31 25 0.01 0.2
1968 56 47 0.03 0.0
1967 42 34 0.08 0.0
1966 43 36 0.00 0.0
1965 47 37 0.29 0.0
1964 40 31 0.05 0.0
1963 36 26 0.00 0.0
1962 33 13 0.00 0.0
1961 52 29 0.00 0.0
1960 46 39 0.00 0.0
1959 41 34 0.27 0.0
1958 45 37 0.00 0.0
1957 33 22 0.00 0.0
1956 46 40 0.34 0.0
1955 44 30 0.03 0.0
1954 40 27 1.64 1.0
1953 46 40 0.06 0.0
1952 35 28 0.02 0.2
1951 43 34 1.13 0.3
1950 48 42 0.43 0.0
1949 35 22 0.03 1.5
1948 48 32 0.00 0.0
1947 52 48 0.00 0.0
1946 49 43 0.20 0.0
1945 40 28 0.00 0.0
1944 48 36 0.00 0.0
1943 28 16 0.10 1.3
1942 62 46 0.00 0.0
1941 48 36 0.00 0.0
1940 50 38 0.00 0.0
1939 49 34 0.00 0.0
1938 51 47 0.04 0.0
1937 30 25 0.05 0.3
1936 52 44 0.00 0.0
1935 46 26 2.32 8.4
1934 50 46 0.11 0.0
1933 40 35 0.00 0.0
1932 43 35 0.13 0.0
1931 45 40 0.51 0.0
1930 41 25 0.00 0.0
1929 36 28 0.01 0.2
1928 44 36 0.02 0.0
1927 31 18 0.00 0.0
1926 50 42 0.04 0.0
1925 50 41 0.15 0.0
1924 45 37 0.04 0.0
1923 36 28 0.00 0.0
1922 41 34 0.00 0.0
1921 42 35 0.00 0.0
1920 35 29 0.00 0.0
1919 49 42 0.53 0.0
1918 42 36 0.01 0.0
1917 40 34 0.00 0.0
1916 40 36 0.46 0.0
1915 47 32 0.00 0.0
1914 42 38 1.03 0.0
1913 40 35 0.01 0.0
1912 57 45 0.00 0.0
1911 41 36 0.00 0.0
1910 48 40 0.61 0.0
1909 43 35 0.36 0.0
1908 44 37 0.00 0.0
1907 53 38 0.00 0.0
1906 44 36 0.07 0.0
1905 44 34 0.09 0.0
1904 44 40 0.01 0.0
1903 51 47 0.02 0.0
1902 46 36 0.00 0.0
1901 43 37 0.00 0.0
1900 49 34 0.00 0.0
1899 53 42 0.31 0.0
1898 46 39 0.04 0.0
1897 44 40 0.28 0.0
1896 47 40 0.05 0.0
1895 51 33 0.00 0.0
1894 36 29 0.00 0.0
What's the all-time high for Seattle on 1/21?
For the date of Jan 21, the highest temperature ever reached in Seattle history is 62 °F which has happened 2 times, most recently in 1981.
Highest Temperatures in Seattle on January 21
Rank Temperature Year
1 62 °F 1942
1 62 °F 1981
3 61 °F 2005
4 58 °F 1995
5 57 °F 1912
6 56 °F 2010
6 56 °F 1968
8 55 °F 1970
9 54 °F 2017
10 53 °F 2016
10 53 °F 2020
10 53 °F 1907
10 53 °F 1899
What's the all-time low for Seattle on 1/21?
For the date of Jan 21, the lowest temperature ever reached in Seattle history is 13 °F which happened in 1962.
Lowest Temperatures in Seattle on January 21
Rank Temperature Year
1 13 °F 1962
2 16 °F 1943
3 18 °F 1927
4 22 °F 1957
4 22 °F 1949
6 25 °F 1930
6 25 °F 2008
6 25 °F 1969
6 25 °F 1937
10 26 °F 1935
10 26 °F 1963
Lowest High Temperatures in Seattle on January 21
Rank Temperature Year
1 28 °F 1943
2 30 °F 1937
3 31 °F 1969
3 31 °F 1927
5 33 °F 1962
5 33 °F 1957
7 35 °F 1949
7 35 °F 1920
7 35 °F 1952
10 36 °F 1894
10 36 °F 1963
10 36 °F 2013
10 36 °F 1929
10 36 °F 1923
What's the most it has ever rained in Seattle on 1/21?
For the date of Jan 21, the most precipitation ever recorded in Seattle history is 2.32 inches which happened in 1935.
All-Time Most Precipitation in Seattle on January 21
Rank Precipitation Year
1 2.32 inches 1935
2 1.64 inches 1954
3 1.15 inches 2016
4 1.13 inches 1951
5 1.03 inches 1914
6 0.76 inches 2001
7 0.72 inches 1978
8 0.62 inches 1996
9 0.61 inches 1910
10 0.55 inches 2003
All-Time Most Snow in Seattle on January 21
Rank Precipitation Year
1 8.4 inches 1935
2 1.5 inches 1949
3 1.3 inches 1943
4 1.1 inches 1996
5 1.0 inches 1954
6 0.3 inches 1951
6 0.3 inches 1937
8 0.2 inches 1969
8 0.2 inches 1929
8 0.2 inches 1952
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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