Seattle, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -17.8° (1950) 19.4° (1931) 5.13" 2.4"
February 10° -17.2° (1950) 21.1° (1968) 4.18" 1.3"
March 12° -11.7° (1955) 25.6° (2004) 3.75" 0.6"
April 14° -1.7° (1975) 30.6° (1947) 2.59" 0.1"
May 18° -8.9° (1928) 33.9° (1963) 1.78" 0"
June 11° 21° 3.3° (1952) 36.7° (1925) 1.49" 0"
July 13° 24° -3.9° (1938) 37.8° (1994) 0.79" 0"
August 13° 24° 6.7° (1955) 37.2° (1981) 1.02" 0"
September 11° 21° 1.7° (1972) 36.7° (1988) 1.63" 0"
October 16° -7.2° (1937) 31.7° (1987) 3.19" 0.1"
November 11° -17.8° (1939) 23.3° (1949) 5.9" 1.1"
December -14.4° (1968) 18.3° (1939) 5.62" 2.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 4.4° 12.8° -2° (1953) 28° (1987) 0.1" NA
Apr 2 4.4° 13.3° -1° (1976) 26° (1944) 0.1" NA
Apr 3 13.3° 0° (1948) 22° (2004) 0.1" NA
Apr 4 13.3° -1° (1948) 24° (1966) 0.1" NA
Apr 5 13.3° -2° (1975) 23° (1977) 0.1" NA
Apr 6 13.3° -1° (1956) 26° (2007) 0.1" NA
Apr 7 13.9° -2° (1952) 26° (1996) 0.1" NA
Apr 8 13.9° -2° (1952) 22° (1938) 0.1" NA
Apr 9 13.9° -1° (1920) 23° (1926) 0.09" NA
Apr 10 13.9° -1° (1953) 23° (2004) 0.09" NA
Apr 11 13.9° 1° (1911) 27° (2004) 0.09" NA
Apr 12 5.6° 13.9° 1° (1968) 28° (1940) 0.09" NA
Apr 13 5.6° 14.4° -1° (1911) 25° (1943) 0.09" NA
Apr 14 5.6° 14.4° 0° (1911) 29° (1926) 0.09" NA
Apr 15 5.6° 14.4° 1° (1967) 26° (1923) 0.09" NA
Apr 16 5.6° 14.4° 1° (1896) 29° (1897) 0.09" NA
Apr 17 5.6° 14.4° 1° (1964) 26° (1939) 0.08" NA
Apr 18 5.6° 15° 1° (1964) 27° (1934) 0.08" NA
Apr 19 5.6° 15° 1° (1961) 26° (1934) 0.08" NA
Apr 20 6.1° 15° -1° (1961) 27° (1934) 0.08" NA
Apr 21 6.1° 15° -2° (1951) 24° (1982) 0.08" NA
Apr 22 6.1° 15° 1° (1894) 26° (2005) 0.08" NA
Apr 23 6.1° 15.6° -1° (1954) 28° (1910) 0.08" NA
Apr 24 6.1° 15.6° -1° (1950) 29° (1905) 0.08" NA
Apr 25 6.1° 15.6° 1° (1948) 25° (1992) 0.08" NA
Apr 26 6.7° 15.6° 0° (1948) 31° (1947) 0.07" NA
Apr 27 6.7° 16.1° -1° (1948) 27° (1987) 0.07" NA
Apr 28 6.7° 16.1° -1° (1955) 27° (1926) 0.07" NA
Apr 29 6.7° 16.1° -1° (1952) 27° (1976) 0.07" NA
Apr 30 6.7° 16.1° 0° (1954) 29° (1976) 0.07" NA
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