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
Jan 1 25° 35° -3° (1979) 47° (1981) 0.37" NA
Jan 2 25° 35° 3° (1979) 48° (2005) 0.37" NA
Jan 3 25° 35° 14° (1988) 47° (1996) 0.37" NA
Jan 4 25° 35° 15° (1991) 48° (1984) 0.37" NA
Jan 5 25° 35° 6° (2004) 49° (1984) 0.37" NA
Jan 6 25° 36° 0° (1982) 45° (1981) 0.37" NA
Jan 7 25° 36° 1° (1982) 48° (2001) 0.37" NA
Jan 8 25° 36° 13° (1993) 47° (2001) 0.37" NA
Jan 9 25° 36° 13° (1993) 45° (1990) 0.37" NA
Jan 10 25° 36° 12° (1993) 45° (2006) 0.37" NA
Jan 11 25° 36° 9° (1993) 47° (1981) 0.37" NA
Jan 12 25° 36° 6° (2007) 46° (1981) 0.37" NA
Jan 13 26° 36° 7° (2007) 47° (1981) 0.36" NA
Jan 14 26° 36° 10° (2007) 48° (1981) 0.36" NA
Jan 15 26° 36° 12° (1987) 52° (1981) 0.36" NA
Jan 16 26° 36° 11° (1987) 51° (1981) 0.36" NA
Jan 17 26° 36° 14° (1984) 50° (1981) 0.36" NA
Jan 18 26° 36° 12° (1980) 46° (2003) 0.36" NA
Jan 19 26° 36° 12° (1980) 51° (2005) 0.36" NA
Jan 20 26° 36° 18° (1984) 50° (1981) 0.36" NA
Jan 21 26° 37° 21° (1987) 54° (1981) 0.36" NA
Jan 22 26° 37° 20° (1979) 55° (1981) 0.36" NA
Jan 23 26° 37° 14° (1989) 52° (1994) 0.36" NA
Jan 24 26° 37° 14° (1989) 47° (1995) 0.36" NA
Jan 25 26° 37° 16° (1997) 57° (2005) 0.36" NA
Jan 26 26° 37° 12° (1980) 56° (2005) 0.36" NA
Jan 27 26° 37° 0° (1980) 50° (2003) 0.35" NA
Jan 28 26° 37° -1° (1980) 45° (2005) 0.35" NA
Jan 29 26° 38° -3° (1980) 48° (1998) 0.35" NA
Jan 30 26° 38° -3° (1980) 47° (1992) 0.35" NA
Jan 31 26° 38° 1° (1996) 47° (2003) 0.35" NA
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