Walla Walla, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -1° -27.8° (1957) 21.1° (1968) 2.53" 1.9"
February -26.7° (1950) 23.9° (1995) 1.83" 3.1"
March 13° -15.6° (1993) 26.1° (1964) 2.3" 1"
April 17° -6.7° (1966) 35.6° (1977) 1.92" 0.1"
May 21° -3.3° (1954) 37.8° (1983) 2.13" 0"
June 12° 26° 2.2° (1966) 41.7° (1992) 1.28" 0"
July 16° 32° 4.4° (1971) 45.6° (1975) 0.59" 0"
August 16° 31° 5.6° (1992) 45.6° (1961) 0.57" 0"
September 11° 26° 0° (1985) 40° (1950) 0.75" 0"
October 18° -7.2° (1971) 31.7° (1958) 1.68" 0.1"
November -23.9° (1985) 26.7° (1975) 2.87" 1.2"
December -2° -31.1° (1968) 20° (1980) 2.47" 4.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 -2° -21° (1979) 17° (1964) 0.09" 0.1"
Jan 2 -2° -17° (1978) 16° (2007) 0.08" 0.1"
Jan 3 -2° -18° (1959) 15° (1962) 0.09" 0.1"
Jan 4 -2° -19° (1959) 16° (2008) 0.08" 0"
Jan 5 -2° -23° (1974) 16° (1983) 0.09" 0.1"
Jan 6 -2° -23° (1974) 17° (1954) 0.08" 0.1"
Jan 7 -2° -23° (1974) 16° (1966) 0.09" 0.1"
Jan 8 -2° -23° (1974) 18° (1953) 0.09" 0.1"
Jan 9 -2° -22° (1974) 18° (1959) 0.1" 0.1"
Jan 10 -1° -19° (1974) 16° (1961) 0.09" 0"
Jan 11 -1° -19° (1963) 18° (1953) 0.09" 0.1"
Jan 12 -1° -20° (1993) 18° (1959) 0.09" 0.1"
Jan 13 -1° -19° (1993) 16° (1994) 0.09" 0"
Jan 14 -1° -21° (1950) 17° (1973) 0.08" 0.1"
Jan 15 -1° -19° (1950) 18° (1974) 0.08" 0.1"
Jan 16 -1° -18° (1950) 17° (1976) 0.08" 0"
Jan 17 -1° -22° (1950) 13° (1958) 0.09" 0"
Jan 18 -1° -19° (1957) 17° (1986) 0.08" 0.1"
Jan 19 -1° -19° (1957) 17° (1968) 0.08" 0"
Jan 20 -1° -22° (1954) 21° (1968) 0.08" 0.1"
Jan 21 -1° -20° (1962) 16° (1968) 0.08" 0"
Jan 22 -1° -17° (1962) 11° (1986) 0.08" 0"
Jan 23 -1° -21° (1969) 17° (1953) 0.07" 0.1"
Jan 24 -1° -19° (1957) 18° (1953) 0.08" 0"
Jan 25 -23° (1957) 17° (1993) 0.07" 0.1"
Jan 26 -26° (1957) 17° (1983) 0.08" 0"
Jan 27 -28° (1957) 16° (1983) 0.07" 0.1"
Jan 28 -25° (1957) 16° (1992) 0.07" 0"
Jan 29 -26° (1950) 17° (1995) 0.07" 0.1"
Jan 30 -27° (1950) 18° (1992) 0.07" 0"
Jan 31 -25° (1950) 19° (1992) 0.07" 0.1"
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