Walla Walla, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -2° -27.8° (1957) 21.1° (1968) 2.25" 5.8"
February -26.7° (1950) 23.9° (1995) 1.97" 3.9"
March 13° -15.6° (1993) 26.1° (1964) 2.2" 1.1"
April 18° -6.7° (1966) 35.6° (1977) 1.83" 0"
May 22° -3.3° (1954) 37.8° (1983) 1.95" 0"
June 12° 27° 2.2° (1966) 41.7° (1992) 1.15" 0"
July 16° 32° 4.4° (1971) 45.6° (1975) 0.73" 0"
August 16° 32° 5.6° (1992) 45.6° (1961) 0.84" 0"
September 12° 26° 0° (1985) 40° (1950) 0.83" 0"
October 19° -7.2° (1971) 31.7° (1958) 1.77" 0.3"
November 10° -23.9° (1985) 26.7° (1975) 2.85" 2.4"
December -2° -31.1° (1968) 20° (1980) 2.51" 6.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 -2.2° 3.9° -21° (1979) 17° (1964) 0.08" NA
Jan 2 -2.2° 3.9° -17° (1978) 14° (1962) 0.08" NA
Jan 3 -2.2° 3.9° -18° (1959) 15° (1962) 0.08" NA
Jan 4 -2.2° 3.9° -19° (1959) 15° (1994) 0.08" NA
Jan 5 -2.2° 3.9° -23° (1974) 16° (1983) 0.08" NA
Jan 6 -2.2° 3.9° -23° (1974) 17° (1954) 0.08" NA
Jan 7 -2.2° 4.4° -23° (1974) 16° (1966) 0.08" NA
Jan 8 -2.2° 4.4° -23° (1974) 18° (1953) 0.08" NA
Jan 9 -2.2° 4.4° -22° (1974) 18° (1959) 0.07" NA
Jan 10 -2.2° 4.4° -19° (1974) 16° (1961) 0.07" NA
Jan 11 -2.2° 4.4° -19° (1963) 18° (1953) 0.07" NA
Jan 12 -2.2° 4.4° -20° (1993) 18° (1959) 0.07" NA
Jan 13 -2.2° 4.4° -19° (1993) 16° (1994) 0.07" NA
Jan 14 -1.7° 4.4° -21° (1950) 17° (1973) 0.07" NA
Jan 15 -1.7° 4.4° -19° (1950) 18° (1974) 0.07" NA
Jan 16 -1.7° 4.4° -18° (1950) 17° (1976) 0.07" NA
Jan 17 -1.7° 4.4° -22° (1950) 13° (1958) 0.07" NA
Jan 18 -1.7° -19° (1957) 17° (1986) 0.07" NA
Jan 19 -1.7° -19° (1957) 17° (1968) 0.07" NA
Jan 20 -1.7° -22° (1954) 21° (1968) 0.07" NA
Jan 21 -1.7° -20° (1962) 16° (1968) 0.07" NA
Jan 22 -1.7° -17° (1962) 11° (1986) 0.07" NA
Jan 23 -1.7° -21° (1969) 17° (1953) 0.07" NA
Jan 24 -1.7° 5.6° -19° (1957) 18° (1953) 0.07" NA
Jan 25 -1.1° 5.6° -23° (1957) 17° (1993) 0.07" NA
Jan 26 -1.1° 5.6° -26° (1957) 17° (1983) 0.07" NA
Jan 27 -1.1° 5.6° -28° (1957) 16° (1983) 0.07" NA
Jan 28 -1.1° 5.6° -25° (1957) 16° (1992) 0.07" NA
Jan 29 -1.1° 6.1° -26° (1950) 17° (1995) 0.07" NA
Jan 30 -1.1° 6.1° -27° (1950) 18° (1992) 0.07" NA
Jan 31 -1.1° 6.1° -25° (1950) 19° (1992) 0.07" NA
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