Index, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 32° 43° 3° (1982) 62° (2005) 15.95" 15.8"
February 32° 48° 6° (1989) 73° (1992) 10.61" 8.2"
March 35° 53° 16° (1989) 80° (1994) 10.39" 3.2"
April 38° 59° 27° (1975) 91° (1998) 7.83" 0.9"
May 44° 65° 30° (1972) 100° (1983) 5.56" 0"
June 49° 70° 31° (1976) 98° (1970) 4.2" 0"
July 52° 76° 37° (1971) 100° (2006) 2.06" 0"
August 52° 76° 38° (1973) 98° (1981) 1.96" 0"
September 48° 71° 30° (1972) 98° (1988) 4.55" 0"
October 42° 59° 23° (2002) 86° (1980) 11" 0"
November 36° 47° 8° (1985) 70° (1970) 18.94" 4.6"
December 31° 41° 1° (1990) 60° (2002) 13.98" 16.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 45° 66° 34° (1983) 83° (1988) 0.2" 0"
Oct 2 45° 65° 32° (1977) 82° (1980) 0.23" 0"
Oct 3 44° 65° 32° (1973) 82° (1979) 0.23" 0"
Oct 4 44° 64° 33° (1973) 78° (1980) 0.23" 0"
Oct 5 44° 64° 31° (1974) 86° (1980) 0.24" 0"
Oct 6 44° 63° 33° (1974) 83° (1987) 0.23" 0"
Oct 7 43° 63° 32° (1983) 80° (1976) 0.26" 0"
Oct 8 43° 63° 30° (1985) 77° (1971) 0.27" 0"
Oct 9 43° 62° 30° (1985) 79° (1979) 0.28" 0"
Oct 10 43° 62° 32° (1977) 79° (1991) 0.29" 0"
Oct 11 43° 61° 28° (2009) 81° (1987) 0.3" 0"
Oct 12 42° 61° 28° (2009) 73° (1982) 0.32" 0"
Oct 13 42° 60° 32° (1970) 79° (1986) 0.33" 0"
Oct 14 42° 60° 31° (1970) 78° (1978) 0.34" 0"
Oct 15 42° 59° 28° (1992) 77° (1986) 0.33" 0"
Oct 16 42° 59° 30° (1971) 71° (1970) 0.34" 0"
Oct 17 41° 58° 29° (1971) 73° (2002) 0.36" 0"
Oct 18 41° 58° 29° (1976) 79° (1978) 0.36" 0"
Oct 19 41° 58° 29° (1984) 73° (1978) 0.37" 0"
Oct 20 41° 57° 31° (1984) 71° (1987) 0.38" 0.1"
Oct 21 41° 57° 28° (1984) 73° (1998) 0.39" 0"
Oct 22 40° 56° 29° (1976) 73° (2003) 0.41" 0"
Oct 23 40° 56° 32° (1984) 75° (1986) 0.42" 0"
Oct 24 40° 55° 29° (1975) 74° (2007) 0.45" 0.1"
Oct 25 40° 55° 29° (2002) 67° (1983) 0.46" 0"
Oct 26 40° 54° 30° (1978) 66° (1998) 0.48" 0"
Oct 27 40° 54° 30° (1971) 65° (1973) 0.48" 0"
Oct 28 39° 54° 23° (1971) 62° (1987) 0.49" -0.2"
Oct 29 39° 53° 25° (1971) 68° (1983) 0.5" 0"
Oct 30 39° 53° 23° (2002) 66° (1970) 0.52" 0"
Oct 31 39° 52° 23° (2002) 65° (1988) 0.51" 0"
Advertisements
Track Severe Weather on mobile