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
Mar 1 3.3° 10.6° -6° (1896) 17° (1990) 0.14" NA
Mar 2 3.3° 10.6° -6° (1989) 20° (1926) 0.14" NA
Mar 3 3.3° 11.1° -7° (1989) 21° (1965) 0.13" NA
Mar 4 3.3° 11.1° -12° (1955) 20° (1987) 0.13" NA
Mar 5 3.3° 11.1° -11° (1955) 19° (1965) 0.13" NA
Mar 6 3.3° 11.1° -3° (1951) 20° (2007) 0.13" NA
Mar 7 3.3° 11.1° -3° (1951) 19° (1937) 0.13" NA
Mar 8 3.9° 11.1° -2° (1951) 21° (1937) 0.13" NA
Mar 9 3.9° 11.1° -2° (1956) 20° (1905) 0.13" NA
Mar 10 3.9° 11.1° -7° (1956) 21° (1934) 0.13" NA
Mar 11 3.9° 11.1° -5° (1956) 24° (1941) 0.13" NA
Mar 12 3.9° 11.7° -7° (1897) 21° (1941) 0.13" NA
Mar 13 3.9° 11.7° -4° (1906) 21° (1979) 0.12" NA
Mar 14 3.9° 11.7° -4° (1906) 22° (1926) 0.12" NA
Mar 15 3.9° 11.7° -4° (1906) 22° (1947) 0.12" NA
Mar 16 3.9° 11.7° -3° (1906) 21° (1947) 0.12" NA
Mar 17 3.9° 11.7° -3° (1955) 22° (1947) 0.12" NA
Mar 18 3.9° 11.7° -11° (1940) 21° (1996) 0.12" NA
Mar 19 3.9° 12.2° -3° (1913) 24° (1928) 0.12" NA
Mar 20 3.9° 12.2° -4° (1913) 23° (1915) 0.12" NA
Mar 21 3.9° 12.2° -2° (1913) 22° (1915) 0.12" NA
Mar 22 4.4° 12.2° -2° (1952) 22° (1939) 0.11" NA
Mar 23 4.4° 12.2° -2° (1954) 20° (1979) 0.11" NA
Mar 24 4.4° 12.2° -1° (1975) 19° (1960) 0.11" NA
Mar 25 4.4° 12.2° -4° (1913) 18° (1969) 0.11" NA
Mar 26 4.4° 12.8° -1° (1899) 21° (1969) 0.11" NA
Mar 27 4.4° 12.8° -3° (1975) 22° (1941) 0.11" NA
Mar 28 4.4° 12.8° -3° (1954) 23° (1994) 0.11" NA
Mar 29 4.4° 12.8° -11° (1930) 26° (2004) 0.11" NA
Mar 30 4.4° 12.8° -3° (1954) 22° (1995) 0.11" NA
Mar 31 4.4° 12.8° -1° (1949) 24° (1987) 0.1" NA
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