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
Sep 1 45° 72° 34° (1999) 96° (1987) 0.1" NA
Sep 2 45° 71° 34° (1999) 93° (1988) 0.1" NA
Sep 3 44° 71° 34° (2000) 99° (1988) 0.11" NA
Sep 4 44° 71° 34° (2000) 101° (1988) 0.11" NA
Sep 5 44° 71° 35° (1992) 98° (1988) 0.11" NA
Sep 6 44° 70° 36° (2002) 90° (2003) 0.12" NA
Sep 7 44° 70° 32° (1992) 87° (1990) 0.12" NA
Sep 8 44° 70° 34° (1992) 91° (1981) 0.13" NA
Sep 9 43° 70° 36° (2002) 89° (2007) 0.13" NA
Sep 10 43° 69° 36° (1998) 87° (1997) 0.13" NA
Sep 11 43° 69° 34° (1986) 87° (2007) 0.14" NA
Sep 12 43° 69° 29° (1986) 88° (2007) 0.14" NA
Sep 13 43° 69° 35° (1984) 82° (1999) 0.14" NA
Sep 14 42° 68° 32° (1986) 87° (1989) 0.14" NA
Sep 15 42° 68° 34° (1986) 90° (2000) 0.15" NA
Sep 16 42° 68° 35° (1992) 91° (1981) 0.15" NA
Sep 17 42° 67° 32° (1992) 95° (1981) 0.15" NA
Sep 18 42° 67° 32° (1988) 83° (1979) 0.15" NA
Sep 19 42° 67° 31° (1983) 85° (1999) 0.15" NA
Sep 20 41° 66° 28° (1983) 85° (1999) 0.16" NA
Sep 21 41° 66° 30° (1986) 82° (1987) 0.16" NA
Sep 22 41° 66° 32° (1993) 88° (1999) 0.16" NA
Sep 23 41° 65° 29° (1984) 89° (1987) 0.16" NA
Sep 24 40° 65° 30° (1984) 88° (1987) 0.16" NA
Sep 25 40° 65° 31° (1984) 88° (1989) 0.16" NA
Sep 26 40° 64° 27° (1984) 89° (1991) 0.16" NA
Sep 27 40° 64° 28° (1999) 82° (1991) 0.16" NA
Sep 28 40° 64° 28° (1999) 88° (2003) 0.17" NA
Sep 29 39° 63° 29° (1983) 89° (2003) 0.17" NA
Sep 30 39° 63° 29° (1983) 83° (1987) 0.17" NA
Advertisements