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
Aug 1 57° 91° 45° (1957) 106° (1971) 0" NA
Aug 2 57° 91° 43° (1956) 105° (1965) 0.01" NA
Aug 3 57° 91° 45° (1955) 101° (1961) 0.01" NA
Aug 4 57° 91° 44° (1954) 103° (1961) 0.01" NA
Aug 5 57° 91° 43° (1948) 104° (1998) 0.01" NA
Aug 6 56° 91° 44° (1975) 104° (1990) 0.01" NA
Aug 7 56° 91° 47° (2002) 102° (1972) 0.01" NA
Aug 8 56° 91° 45° (1949) 104° (1972) 0.01" NA
Aug 9 56° 90° 46° (1954) 103° (1972) 0.01" NA
Aug 10 56° 90° 45° (1954) 104° (1971) 0.01" NA
Aug 11 56° 90° 47° (1954) 104° (1971) 0.01" NA
Aug 12 56° 90° 44° (1955) 104° (1971) 0.01" NA
Aug 13 56° 90° 42° (1955) 103° (1971) 0.01" NA
Aug 14 56° 90° 43° (1955) 104° (1977) 0.01" NA
Aug 15 55° 90° 44° (1955) 104° (2002) 0.01" NA
Aug 16 55° 89° 44° (1978) 103° (1967) 0.01" NA
Aug 17 55° 89° 43° (1973) 106° (1967) 0.01" NA
Aug 18 55° 89° 41° (1952) 104° (1967) 0.01" NA
Aug 19 55° 89° 41° (1973) 105° (1967) 0.01" NA
Aug 20 55° 89° 45° (1948) 100° (1967) 0.01" NA
Aug 21 54° 88° 45° (1980) 101° (1977) 0.01" NA
Aug 22 54° 88° 37° (1960) 101° (1956) 0.01" NA
Aug 23 54° 88° 43° (1955) 102° (1956) 0.01" NA
Aug 24 54° 88° 40° (1955) 99° (1958) 0.01" NA
Aug 25 54° 87° 41° (1955) 101° (1958) 0.01" NA
Aug 26 53° 87° 38° (1955) 100° (1958) 0.01" NA
Aug 27 53° 87° 40° (1955) 98° (1984) 0.01" NA
Aug 28 53° 86° 42° (1960) 99° (1999) 0.01" NA
Aug 29 53° 86° 39° (1965) 100° (1972) 0.01" NA
Aug 30 52° 86° 40° (1965) 100° (1967) 0.01" NA
Aug 31 52° 85° 41° (1965) 102° (1967) 0.01" NA
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