Grandview, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 40° -20° (1957) 68° (1971) 0.88" 3.7"
February 29° 48° -19° (1950) 72° (1995) 0.6" 1.4"
March 34° 58° 8° (1955) 82° (1960) 0.62" 0.1"
April 39° 67° 21° (1982) 93° (1977) 0.51" 0"
May 46° 75° 29° (1965) 104° (1986) 0.55" 0"
June 52° 82° 34° (1962) 107° (1992) 0.42" 0"
July 56° 89° 39° (1955) 111° (2006) 0.19" 0"
August 55° 89° 37° (1960) 106° (1971) 0.3" 0"
September 47° 80° 29° (1983) 103° (1987) 0.47" 0"
October 37° 67° 12° (2002) 89° (1988) 0.53" 0"
November 31° 50° -5° (1985) 77° (1999) 0.96" 1.3"
December 25° 40° -12° (1990) 67° (1950) 1.16" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 42° 74° 27° (1954) 87° (1988) 0.02" NA
Oct 2 41° 74° 28° (1954) 89° (1988) 0.02" NA
Oct 3 41° 73° 32° (1964) 89° (1988) 0.01" NA
Oct 4 41° 73° 30° (1977) 86° (1952) 0.01" NA
Oct 5 40° 73° 33° (1962) 86° (1980) 0.01" NA
Oct 6 40° 72° 28° (1974) 85° (1958) 0.01" NA
Oct 7 40° 72° 28° (1974) 86° (1980) 0.01" NA
Oct 8 39° 71° 29° (1985) 86° (1980) 0.01" NA
Oct 9 39° 71° 26° (1985) 86° (1988) 0.01" NA
Oct 10 39° 71° 29° (1985) 83° (1988) 0.01" NA
Oct 11 38° 70° 29° (1990) 84° (1996) 0.01" NA
Oct 12 38° 70° 30° (1953) 83° (1988) 0.02" NA
Oct 13 38° 69° 26° (1954) 82° (1952) 0.02" NA
Oct 14 38° 69° 21° (1969) 82° (1999) 0.02" NA
Oct 15 37° 68° 22° (1969) 80° (2004) 0.02" NA
Oct 16 37° 68° 25° (1948) 81° (1991) 0.02" NA
Oct 17 37° 67° 25° (1948) 79° (1963) 0.02" NA
Oct 18 36° 67° 25° (1969) 80° (2003) 0.02" NA
Oct 19 36° 66° 24° (1949) 81° (2003) 0.02" NA
Oct 20 36° 66° 23° (1949) 77° (1992) 0.02" NA
Oct 21 36° 65° 22° (1984) 80° (2003) 0.02" NA
Oct 22 36° 64° 23° (1984) 87° (2003) 0.02" NA
Oct 23 35° 64° 26° (1958) 79° (2003) 0.02" NA
Oct 24 35° 63° 22° (1958) 73° (1988) 0.02" NA
Oct 25 35° 63° 23° (2002) 76° (1988) 0.02" NA
Oct 26 35° 62° 23° (1948) 76° (1988) 0.02" NA
Oct 27 35° 61° 21° (1948) 73° (1988) 0.02" NA
Oct 28 34° 61° 25° (1948) 76° (1985) 0.02" NA
Oct 29 34° 60° 16° (1971) 80° (2003) 0.02" NA
Oct 30 34° 60° 15° (2002) 69° (1953) 0.02" NA
Oct 31 34° 59° 12° (2002) 75° (1967) 0.02" NA
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