Seattle, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -8.9° (1980) 17.8° (1981) 5.24" 2.9"
February 11° -11.7° (1989) 21.1° (1986) 4.09" 1"
March 13° -5° (1989) 23.3° (1995) 3.92" 0.4"
April 15° 0° (1997) 29.4° (1976) 2.75" 0"
May 18° 3.3° (1996) 31.1° (1973) 2.03" 0"
June 12° 21° 5.6° (1991) 33.9° (1995) 1.55" 0"
July 13° 24° 8.3° (1979) 35.6° (1991) 0.93" 0"
August 14° 24° 8.9° (1980) 34.4° (1996) 1.16" 0"
September 12° 21° 5° (1985) 32.8° (1988) 1.61" 0"
October 16° -0.6° (1991) 27.8° (1991) 3.24" 0"
November 11° -10.6° (1985) 21.7° (1980) 5.67" 0.6"
December -11.1° (1983) 18.3° (1980) 6.06" 2.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 7.2° 16.7° 4° (1988) 24° (1976) 0.08" NA
May 2 7.8° 16.7° 4° (1997) 22° (1991) 0.07" NA
May 3 7.8° 17.2° 4° (1996) 24° (1992) 0.07" NA
May 4 7.8° 17.2° 3° (1996) 28° (1992) 0.07" NA
May 5 7.8° 17.2° 4° (1978) 26° (1989) 0.07" NA
May 6 7.8° 17.2° 4° (1978) 26° (1992) 0.07" NA
May 7 8.3° 17.2° 6° (1975) 26° (1987) 0.07" NA
May 8 8.3° 17.8° 5° (1990) 28° (1987) 0.07" NA
May 9 8.3° 17.8° 4° (1996) 28° (1975) 0.07" NA
May 10 8.3° 17.8° 4° (1985) 28° (1987) 0.07" NA
May 11 8.3° 17.8° 3° (1985) 27° (1997) 0.07" NA
May 12 8.9° 17.8° 4° (1977) 28° (1997) 0.07" NA
May 13 8.9° 18.3° 5° (1974) 27° (1973) 0.07" NA
May 14 8.9° 18.3° 6° (1974) 31° (1973) 0.07" NA
May 15 8.9° 18.3° 6° (1986) 24° (1997) 0.07" NA
May 16 8.9° 18.3° 6° (1986) 29° (1985) 0.07" NA
May 17 8.9° 18.3° 6° (1974) 28° (1993) 0.06" NA
May 18 9.4° 18.3° 6° (1976) 27° (1993) 0.06" NA
May 19 9.4° 18.3° 6° (1975) 26° (1978) 0.06" NA
May 20 9.4° 18.9° 6° (1975) 27° (1978) 0.06" NA
May 21 9.4° 18.9° 7° (1989) 28° (1988) 0.06" NA
May 22 9.4° 18.9° 7° (1978) 26° (1985) 0.06" NA
May 23 9.4° 18.9° 6° (1980) 26° (1983) 0.06" NA
May 24 10° 18.9° 4° (1975) 30° (1993) 0.06" NA
May 25 10° 18.9° 6° (1975) 27° (1986) 0.06" NA
May 26 10° 19.4° 6° (1977) 28° (1995) 0.06" NA
May 27 10° 19.4° 6° (1977) 25° (1983) 0.06" NA
May 28 10° 19.4° 7° (1974) 29° (1983) 0.06" NA
May 29 10° 19.4° 7° (1988) 29° (1983) 0.06" NA
May 30 10.6° 19.4° 7° (1978) 28° (1986) 0.06" NA
May 31 10.6° 19.4° 7° (1974) 29° (1986) 0.06" NA
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