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
Apr 1 39° 60° 30° (1999) 75° (1992) 0.07" NA
Apr 2 39° 61° 29° (1953) 83° (1992) 0.07" NA
Apr 3 39° 61° 30° (1972) 79° (2000) 0.07" NA
Apr 4 39° 61° 28° (1961) 79° (1960) 0.06" NA
Apr 5 40° 61° 29° (1961) 82° (1952) 0.06" NA
Apr 6 40° 62° 28° (1956) 83° (1977) 0.06" NA
Apr 7 40° 62° 26° (1973) 88° (1977) 0.06" NA
Apr 8 40° 62° 32° (1952) 79° (1977) 0.06" NA
Apr 9 40° 62° 30° (1952) 83° (1985) 0.06" NA
Apr 10 40° 63° 31° (1953) 80° (1985) 0.06" NA
Apr 11 40° 63° 34° (1954) 77° (1988) 0.06" NA
Apr 12 41° 63° 31° (1971) 82° (1988) 0.06" NA
Apr 13 41° 63° 27° (1968) 84° (1985) 0.06" NA
Apr 14 41° 64° 31° (1999) 84° (1962) 0.06" NA
Apr 15 41° 64° 30° (1967) 85° (1984) 0.06" NA
Apr 16 41° 64° 31° (1978) 82° (1990) 0.06" NA
Apr 17 41° 64° 28° (1964) 83° (1994) 0.06" NA
Apr 18 42° 65° 27° (1966) 87° (1962) 0.06" NA
Apr 19 42° 65° 20° (1966) 79° (1956) 0.06" NA
Apr 20 42° 65° 28° (1951) 85° (1956) 0.06" NA
Apr 21 42° 66° 26° (1951) 82° (1956) 0.06" NA
Apr 22 42° 66° 33° (1951) 86° (1977) 0.06" NA
Apr 23 43° 66° 32° (1972) 93° (1977) 0.06" NA
Apr 24 43° 66° 31° (1950) 96° (1977) 0.06" NA
Apr 25 43° 67° 33° (1955) 88° (1977) 0.06" NA
Apr 26 43° 67° 35° (1970) 82° (1992) 0.06" NA
Apr 27 43° 67° 30° (1955) 86° (1987) 0.06" NA
Apr 28 44° 67° 33° (1967) 87° (1987) 0.06" NA
Apr 29 44° 68° 33° (1950) 87° (1957) 0.06" NA
Apr 30 44° 68° 22° (1972) 85° (1957) 0.06" NA
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