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
Jan 1 1.7° 7.2° -12° (1952) 16° (1918) 0.17" NA
Jan 2 1.7° 7.2° -14° (1950) 13° (2007) 0.17" NA
Jan 3 1.7° 7.2° -14° (1950) 14° (1984) 0.17" NA
Jan 4 2.2° 7.2° -10° (1950) 16° (1984) 0.17" NA
Jan 5 2.2° 7.2° -16° (1923) 15° (1914) 0.17" NA
Jan 6 2.2° 7.2° -10° (1982) 15° (1897) 0.17" NA
Jan 7 2.2° 7.2° -9° (1909) 15° (2002) 0.17" NA
Jan 8 2.2° 7.2° -10° (1909) 15° (1941) 0.17" NA
Jan 9 2.2° 7.2° -11° (1949) 16° (1945) 0.17" NA
Jan 10 2.2° 7.2° -11° (1949) 16° (1941) 0.17" NA
Jan 11 2.2° 7.2° -11° (1963) 15° (1987) 0.17" NA
Jan 12 2.2° 7.2° -11° (1963) 15° (1986) 0.17" NA
Jan 13 2.2° 7.2° -12° (1950) 13° (1986) 0.17" NA
Jan 14 2.2° 7.2° -13° (1950) 15° (1968) 0.17" NA
Jan 15 2.2° 7.8° -12° (1907) 14° (1974) 0.17" NA
Jan 16 2.2° 7.8° -11° (1950) 14° (1934) 0.17" NA
Jan 17 2.2° 7.8° -17° (1938) 16° (1900) 0.17" NA
Jan 18 2.2° 7.8° -18° (1943) 16° (2005) 0.16" NA
Jan 19 2.2° 7.8° -9° (1935) 17° (2005) 0.16" NA
Jan 20 2.2° 7.8° -10° (1935) 18° (1981) 0.16" NA
Jan 21 2.2° 7.8° -11° (1962) 17° (1981) 0.16" NA
Jan 22 2.2° 7.8° -8° (1943) 17° (1931) 0.16" NA
Jan 23 2.2° 7.8° -9° (1949) 13° (2005) 0.16" NA
Jan 24 2.2° 8.3° -12° (1950) 17° (1935) 0.16" NA
Jan 25 2.2° 8.3° -14° (1950) 15° (1935) 0.16" NA
Jan 26 2.2° 8.3° -13° (1957) 17° (1935) 0.16" NA
Jan 27 2.2° 8.3° -12° (1957) 17° (1940) 0.16" NA
Jan 28 2.2° 8.3° -14° (1950) 19° (1931) 0.16" NA
Jan 29 2.2° 8.3° -14° (1950) 16° (1992) 0.16" NA
Jan 30 2.2° 8.3° -14° (1950) 16° (1935) 0.16" NA
Jan 31 2.2° 8.3° -18° (1950) 19° (1935) 0.16" NA
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