Index, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° 40° 3° (1982) 62° (2005) 16.05" 20.5"
February 32° 46° 6° (1989) 73° (1992) 11.92" 11"
March 34° 52° 16° (1989) 80° (1994) 10.24" 3.8"
April 38° 59° 27° (1975) 91° (1998) 7.83" 1"
May 43° 65° 30° (1972) 100° (1983) 5.58" 0"
June 48° 69° 31° (1976) 98° (1970) 4.04" 0"
July 51° 75° 37° (1971) 100° (2006) 2.41" 0"
August 52° 75° 38° (1973) 98° (1981) 2.45" 0"
September 47° 70° 30° (1972) 98° (1988) 4.77" 0"
October 41° 59° 23° (2002) 86° (1980) 9.97" 0"
November 35° 46° 8° (1985) 70° (1970) 18.03" 6"
December 31° 40° 1° (1990) 60° (2002) 16.63" 15.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 31° 43° 11° (1972) 55° (1995) 0.48" NA
Feb 2 31° 43° 7° (1989) 54° (1998) 0.48" NA
Feb 3 32° 43° 6° (1989) 60° (2005) 0.47" NA
Feb 4 32° 44° 10° (1985) 58° (1995) 0.47" NA
Feb 5 32° 44° 8° (1989) 62° (1984) 0.46" NA
Feb 6 32° 44° 12° (1989) 58° (1987) 0.46" NA
Feb 7 32° 44° 16° (1989) 61° (1987) 0.45" NA
Feb 8 32° 44° 17° (1994) 61° (1987) 0.45" NA
Feb 9 32° 45° 18° (1982) 64° (1987) 0.45" NA
Feb 10 32° 45° 18° (1982) 58° (1992) 0.44" NA
Feb 11 32° 45° 21° (1989) 59° (1996) 0.44" NA
Feb 12 32° 45° 25° (1978) 59° (1996) 0.43" NA
Feb 13 32° 46° 16° (1990) 58° (2004) 0.43" NA
Feb 14 32° 46° 13° (1990) 58° (1977) 0.43" NA
Feb 15 32° 46° 22° (1989) 69° (1996) 0.42" NA
Feb 16 32° 46° 23° (2006) 63° (1996) 0.42" NA
Feb 17 32° 46° 23° (2006) 53° (1998) 0.41" NA
Feb 18 32° 47° 17° (1990) 60° (1977) 0.41" NA
Feb 19 32° 47° 15° (1986) 62° (1977) 0.41" NA
Feb 20 32° 47° 21° (2006) 63° (1978) 0.4" NA
Feb 21 32° 47° 24° (1975) 64° (1973) 0.4" NA
Feb 22 32° 47° 27° (2005) 65° (1973) 0.4" NA
Feb 23 33° 48° 24° (1993) 67° (1995) 0.39" NA
Feb 24 33° 48° 20° (1993) 64° (1970) 0.39" NA
Feb 25 33° 48° 18° (1993) 67° (1992) 0.39" NA
Feb 26 33° 48° 20° (1993) 73° (1992) 0.38" NA
Feb 27 33° 48° 23° (1996) 71° (1992) 0.38" NA
Feb 28 33° 48° 20° (1971) 70° (1988) 0.38" NA
Feb 29 33° 48° 27° (1996) 60° (1992) 0.38" NA
Advertisements
Track Severe Weather on mobile