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
Aug 1 13.3° 25° 10° (1954) 33° (1949) 0.02" NA
Aug 2 13.3° 25° 8° (1953) 32° (1977) 0.02" NA
Aug 3 13.3° 25° 8° (1956) 33° (1939) 0.03" NA
Aug 4 13.3° 25° 7° (1950) 35° (1993) 0.03" NA
Aug 5 13.3° 24.4° 9° (1950) 33° (1898) 0.03" NA
Aug 6 13.3° 24.4° 10° (1974) 33° (1972) 0.03" NA
Aug 7 13.3° 24.4° 9° (1948) 35° (1972) 0.03" NA
Aug 8 13.3° 24.4° 8° (1974) 37° (1960) 0.03" NA
Aug 9 13.3° 24.4° 8° (1950) 37° (1981) 0.03" NA
Aug 10 13.3° 24.4° 8° (1954) 37° (1981) 0.03" NA
Aug 11 13.3° 24.4° 8° (1954) 35° (1977) 0.03" NA
Aug 12 13.3° 24.4° 9° (1953) 36° (1977) 0.03" NA
Aug 13 13.3° 24.4° 7° (1955) 33° (2002) 0.03" NA
Aug 14 13.3° 24.4° 7° (1955) 33° (1942) 0.03" NA
Aug 15 13.3° 24.4° 8° (1955) 36° (1942) 0.03" NA
Aug 16 13.3° 24.4° 9° (1895) 37° (1967) 0.03" NA
Aug 17 13.3° 24.4° 7° (1951) 36° (1977) 0.03" NA
Aug 18 13.3° 24.4° 8° (1951) 32° (1940) 0.03" NA
Aug 19 13.3° 24.4° 8° (1895) 31° (1967) 0.03" NA
Aug 20 13.3° 23.9° 8° (1952) 31° (1966) 0.03" NA
Aug 21 13.3° 23.9° 8° (1973) 32° (1915) 0.04" NA
Aug 22 13.3° 23.9° 7° (1960) 32° (1896) 0.04" NA
Aug 23 12.8° 23.9° 8° (1955) 33° (1988) 0.04" NA
Aug 24 12.8° 23.9° 7° (1951) 31° (1982) 0.04" NA
Aug 25 12.8° 23.9° 7° (1954) 32° (1933) 0.04" NA
Aug 26 12.8° 23.9° 8° (1957) 33° (1933) 0.04" NA
Aug 27 12.8° 23.9° 7° (1952) 31° (1994) 0.04" NA
Aug 28 12.8° 23.3° 8° (1952) 35° (1967) 0.04" NA
Aug 29 12.8° 23.3° 7° (1951) 33° (1974) 0.04" NA
Aug 30 12.8° 23.3° 7° (1950) 35° (1944) 0.04" NA
Aug 31 12.8° 23.3° 8° (1950) 33° (1987) 0.04" NA
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