Walla Walla, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° 41° -18° (1957) 70° (1968) 2.53" 1.9"
February 32° 46° -16° (1950) 75° (1995) 1.83" 3.1"
March 37° 55° 4° (1993) 79° (1964) 2.3" 1"
April 42° 63° 20° (1966) 96° (1977) 1.92" 0.1"
May 48° 70° 26° (1954) 100° (1983) 2.13" 0"
June 54° 79° 36° (1966) 107° (1992) 1.28" 0"
July 61° 89° 40° (1971) 114° (1975) 0.59" 0"
August 61° 88° 42° (1992) 114° (1961) 0.57" 0"
September 53° 78° 32° (1985) 104° (1950) 0.75" 0"
October 43° 64° 19° (1971) 89° (1958) 1.68" 0.1"
November 35° 49° -11° (1985) 80° (1975) 2.87" 1.2"
December 29° 39° -24° (1968) 68° (1980) 2.47" 4.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 31° 42° -2° (1985) 61° (1958) 0.1" 0.1"
Dec 2 31° 41° 7° (1985) 65° (1958) 0.09" 0.1"
Dec 3 30° 41° 15° (1985) 66° (2007) 0.09" 0.1"
Dec 4 30° 40° 3° (1972) 64° (1975) 0.09" 0.2"
Dec 5 30° 40° 5° (1972) 60° (1954) 0.09" 0.1"
Dec 6 30° 40° 6° (1956) 63° (1987) 0.09" 0.1"
Dec 7 29° 40° -3° (1972) 59° (1962) 0.08" 0.2"
Dec 8 29° 39° -8° (1972) 66° (1975) 0.08" 0.1"
Dec 9 29° 39° -9° (1972) 63° (1987) 0.09" 0.1"
Dec 10 29° 39° -9° (1972) 65° (1993) 0.07" 0.1"
Dec 11 29° 39° -4° (1972) 62° (1955) 0.08" 0.2"
Dec 12 28° 38° -1° (1972) 59° (1988) 0.07" 0.1"
Dec 13 28° 38° -3° (1972) 62° (1969) 0.08" 0.1"
Dec 14 28° 38° 0° (1972) 60° (1969) 0.07" 0.2"
Dec 15 28° 38° -1° (1972) 63° (1959) 0.08" 0.2"
Dec 16 28° 38° -5° (1964) 62° (1973) 0.08" 0.1"
Dec 17 28° 38° -7° (1964) 62° (1994) 0.07" 0.2"
Dec 18 28° 38° -1° (1964) 61° (1994) 0.08" 0.1"
Dec 19 28° 38° 1° (1984) 59° (1994) 0.08" 0.2"
Dec 20 28° 38° -12° (1990) 64° (1994) 0.08" 0.1"
Dec 21 28° 38° -14° (1990) 63° (1955) 0.08" 0.2"
Dec 22 28° 38° -10° (1983) 60° (1950) 0.08" 0.1"
Dec 23 28° 38° -15° (1983) 65° (1950) 0.07" 0.2"
Dec 24 28° 38° -13° (1983) 59° (1950) 0.08" 0.2"
Dec 25 28° 38° 5° (1990) 64° (1980) 0.07" 0.1"
Dec 26 28° 38° 12° (1983) 68° (1980) 0.08" 0.2"
Dec 27 28° 38° 12° (1983) 67° (1980) 0.08" 0.1"
Dec 28 28° 38° -7° (1990) 61° (1965) 0.07" 0.2"
Dec 29 28° 38° -16° (1968) 66° (2008) 0.07" 0.1"
Dec 30 28° 38° -24° (1968) 61° (2008) 0.07" 0.1"
Dec 31 28° 38° -10° (1968) 60° (1958) 0.08" 0.2"
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