National, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 36° -3° (1980) 57° (2005) 11.23" NA
February 27° 40° -3° (1989) 68° (1992) 8.87" NA
March 29° 45° 11° (1989) 71° (1994) 7" NA
April 31° 51° 19° (1997) 87° (1987) 5.84" NA
May 37° 58° 26° (1999) 95° (1983) 4.54" NA
June 42° 65° 30° (1984) 96° (2006) 3.62" NA
July 46° 73° 32° (2000) 102° (2006) 1.96" NA
August 47° 74° 34° (1980) 99° (1981) 1.73" NA
September 42° 68° 27° (1984) 101° (1988) 4.26" NA
October 36° 56° 19° (2006) 88° (1987) 6.99" NA
November 30° 42° 1° (1985) 61° (2001) 12.72" NA
December 26° 36° -8° (1990) 54° (1989) 12.06" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 48° 75° 38° (2002) 87° (1992) 0.04" NA
Aug 2 48° 75° 38° (1985) 85° (1986) 0.04" NA
Aug 3 47° 75° 38° (2002) 88° (1986) 0.04" NA
Aug 4 47° 75° 39° (2002) 89° (1987) 0.04" NA
Aug 5 47° 75° 39° (2002) 94° (1990) 0.04" NA
Aug 6 47° 75° 42° (1984) 90° (1993) 0.04" NA
Aug 7 47° 75° 41° (1984) 93° (1981) 0.04" NA
Aug 8 47° 75° 41° (2002) 96° (1981) 0.04" NA
Aug 9 47° 74° 39° (1995) 97° (1981) 0.04" NA
Aug 10 47° 74° 40° (1995) 96° (1981) 0.04" NA
Aug 11 47° 74° 39° (2007) 99° (1981) 0.04" NA
Aug 12 47° 74° 38° (2000) 97° (1981) 0.04" NA
Aug 13 47° 74° 35° (1984) 97° (1992) 0.04" NA
Aug 14 47° 74° 37° (1995) 96° (1992) 0.05" NA
Aug 15 47° 74° 39° (1982) 90° (2003) 0.05" NA
Aug 16 47° 74° 38° (2000) 90° (2003) 0.05" NA
Aug 17 47° 74° 38° (2000) 83° (1981) 0.05" NA
Aug 18 47° 74° 37° (1995) 92° (1992) 0.05" NA
Aug 19 47° 74° 41° (1998) 90° (1981) 0.06" NA
Aug 20 47° 73° 40° (1985) 87° (1991) 0.06" NA
Aug 21 46° 73° 37° (1985) 90° (1986) 0.06" NA
Aug 22 46° 73° 39° (2000) 86° (2003) 0.06" NA
Aug 23 46° 73° 36° (1992) 86° (1988) 0.07" NA
Aug 24 46° 73° 37° (1992) 94° (1988) 0.07" NA
Aug 25 46° 73° 38° (1995) 94° (1996) 0.07" NA
Aug 26 46° 73° 36° (1991) 95° (1996) 0.08" NA
Aug 27 46° 72° 40° (1981) 94° (1986) 0.08" NA
Aug 28 46° 72° 35° (1984) 89° (1988) 0.08" NA
Aug 29 45° 72° 34° (1980) 92° (1988) 0.09" NA
Aug 30 45° 72° 34° (1980) 94° (1996) 0.09" NA
Aug 31 45° 72° 37° (2006) 90° (1987) 0.09" NA
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