Walla Walla, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 41° -18° (1957) 70° (1968) 2.25" 5.8"
February 33° 47° -16° (1950) 75° (1995) 1.97" 3.9"
March 37° 56° 4° (1993) 79° (1964) 2.2" 1.1"
April 41° 64° 20° (1966) 96° (1977) 1.83" 0"
May 48° 72° 26° (1954) 100° (1983) 1.95" 0"
June 54° 80° 36° (1966) 107° (1992) 1.15" 0"
July 61° 90° 40° (1971) 114° (1975) 0.73" 0"
August 61° 89° 42° (1992) 114° (1961) 0.84" 0"
September 53° 79° 32° (1985) 104° (1950) 0.83" 0"
October 44° 66° 19° (1971) 89° (1958) 1.77" 0.3"
November 36° 50° -11° (1985) 80° (1975) 2.85" 2.4"
December 29° 41° -24° (1968) 68° (1980) 2.51" 6.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 58° 86° 47° (1955) 99° (1987) 0.03" NA
Jul 2 58° 86° 43° (1955) 103° (1967) 0.03" NA
Jul 3 59° 87° 43° (1962) 105° (1970) 0.03" NA
Jul 4 59° 87° 49° (1986) 106° (1968) 0.03" NA
Jul 5 59° 87° 48° (1999) 106° (1968) 0.03" NA
Jul 6 59° 88° 44° (1952) 106° (1968) 0.03" NA
Jul 7 59° 88° 40° (1971) 105° (1985) 0.03" NA
Jul 8 60° 89° 47° (1981) 109° (1985) 0.03" NA
Jul 9 60° 89° 52° (1963) 113° (1975) 0.02" NA
Jul 10 60° 89° 48° (1974) 114° (1975) 0.02" NA
Jul 11 60° 89° 50° (1950) 109° (1990) 0.02" NA
Jul 12 60° 90° 47° (1971) 108° (1990) 0.02" NA
Jul 13 61° 90° 49° (1993) 104° (1961) 0.02" NA
Jul 14 61° 90° 52° (1962) 104° (1955) 0.02" NA
Jul 15 61° 90° 49° (2000) 107° (1970) 0.02" NA
Jul 16 61° 90° 48° (1974) 105° (1984) 0.02" NA
Jul 17 61° 91° 51° (1987) 108° (1960) 0.02" NA
Jul 18 61° 91° 48° (1991) 109° (1960) 0.02" NA
Jul 19 61° 91° 49° (1962) 106° (1979) 0.02" NA
Jul 20 62° 91° 53° (1972) 109° (1985) 0.02" NA
Jul 21 62° 91° 52° (1954) 108° (1994) 0.02" NA
Jul 22 62° 91° 48° (1982) 112° (1994) 0.02" NA
Jul 23 62° 91° 48° (1963) 106° (1978) 0.02" NA
Jul 24 62° 91° 52° (1953) 110° (1994) 0.02" NA
Jul 25 62° 92° 51° (1966) 107° (1984) 0.02" NA
Jul 26 62° 92° 52° (1992) 105° (1982) 0.02" NA
Jul 27 62° 92° 53° (1959) 106° (1968) 0.02" NA
Jul 28 62° 92° 49° (1954) 107° (1974) 0.02" NA
Jul 29 62° 92° 51° (1954) 106° (1960) 0.03" NA
Jul 30 62° 92° 53° (1950) 108° (1971) 0.03" NA
Jul 31 62° 92° 53° (1964) 111° (1971) 0.03" NA
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