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
Apr 1 30° 48° 21° (1999) 68° (1987) 0.21" NA
Apr 2 30° 48° 22° (1997) 72° (1992) 0.21" NA
Apr 3 30° 48° 21° (2007) 78° (1992) 0.21" NA
Apr 4 30° 48° 19° (1997) 72° (1995) 0.21" NA
Apr 5 30° 48° 23° (1999) 67° (1990) 0.2" NA
Apr 6 30° 48° 22° (1999) 66° (1990) 0.2" NA
Apr 7 30° 49° 23° (1999) 72° (2007) 0.2" NA
Apr 8 30° 49° 24° (1982) 74° (1996) 0.2" NA
Apr 9 30° 49° 25° (1999) 71° (1996) 0.2" NA
Apr 10 30° 49° 27° (1981) 70° (1985) 0.2" NA
Apr 11 31° 49° 23° (1991) 72° (2004) 0.2" NA
Apr 12 31° 50° 25° (1997) 76° (2004) 0.2" NA
Apr 13 31° 50° 21° (1981) 71° (1980) 0.2" NA
Apr 14 31° 50° 23° (1999) 72° (1980) 0.2" NA
Apr 15 31° 50° 26° (1999) 71° (1989) 0.2" NA
Apr 16 31° 51° 22° (1982) 72° (1994) 0.2" NA
Apr 17 31° 51° 26° (1982) 75° (1990) 0.2" NA
Apr 18 31° 51° 27° (1982) 74° (1994) 0.19" NA
Apr 19 32° 51° 24° (1982) 67° (1983) 0.19" NA
Apr 20 32° 51° 25° (1985) 66° (1983) 0.19" NA
Apr 21 32° 52° 22° (1985) 72° (1986) 0.19" NA
Apr 22 32° 52° 26° (2006) 68° (1986) 0.19" NA
Apr 23 32° 52° 28° (1992) 70° (1998) 0.19" NA
Apr 24 32° 53° 26° (1986) 69° (1995) 0.19" NA
Apr 25 33° 53° 26° (2000) 70° (1999) 0.18" NA
Apr 26 33° 53° 26° (1984) 77° (2001) 0.18" NA
Apr 27 33° 53° 28° (1999) 87° (1987) 0.18" NA
Apr 28 33° 54° 28° (1996) 87° (1987) 0.18" NA
Apr 29 33° 54° 27° (1999) 77° (1998) 0.18" NA
Apr 30 34° 54° 26° (1986) 83° (1998) 0.17" NA
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