West Richland, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 41° -21° (1950) 71° (1971) 1.01" 1.9"
February 30° 48° -22° (1950) 73° (1986) 0.8" 1.9"
March 35° 58° 11° (1993) 82° (1960) 0.69" 0.2"
April 41° 65° 23° (1972) 92° (1977) 0.6" 0"
May 48° 73° 30° (1954) 104° (1986) 0.65" 0"
June 54° 80° 38° (1984) 110° (1958) 0.5" 0"
July 59° 88° 41° (1948) 110° (1968) 0.25" 0"
August 58° 88° 39° (1973) 113° (1961) 0.16" 0"
September 50° 78° 31° (1984) 106° (1950) 0.31" 0"
October 40° 64° 13° (2002) 89° (1958) 0.54" 0"
November 34° 49° -6° (1985) 77° (1975) 1.02" 0.1"
December 28° 38° -10° (1968) 66° (1993) 1.12" 2.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 27° 38° -6° (1979) 59° (1959) 0.04" 0.1"
Jan 2 27° 38° -6° (1979) 57° (1959) 0.03" 0.1"
Jan 3 27° 38° 0° (1950) 60° (1989) 0.04" 0.1"
Jan 4 28° 38° 0° (1949) 60° (1951) 0.04" 0.1"
Jan 5 28° 38° -7° (1950) 59° (1967) 0.04" 0"
Jan 6 28° 39° -9° (2004) 62° (1956) 0.04" 0.1"
Jan 7 28° 39° -2° (1974) 62° (1956) 0.04" 0.1"
Jan 8 28° 39° -2° (1979) 62° (1962) 0.03" 0.1"
Jan 9 28° 39° 0° (1974) 64° (1953) 0.04" 0.1"
Jan 10 28° 39° -3° (1949) 65° (1990) 0.04" 0.1"
Jan 11 29° 40° -5° (1949) 55° (1983) 0.04" 0"
Jan 12 29° 40° -4° (1949) 62° (1983) 0.04" 0.1"
Jan 13 29° 40° -5° (1949) 64° (1983) 0.03" 0.1"
Jan 14 29° 40° -3° (1949) 64° (1967) 0.04" 0"
Jan 15 29° 41° -4° (1950) 65° (1974) 0.03" 0.1"
Jan 16 29° 41° 1° (1949) 64° (1976) 0.03" 0.1"
Jan 17 29° 41° -12° (1950) 62° (1974) 0.03" 0"
Jan 18 29° 41° -4° (1950) 60° (1975) 0.04" 0.1"
Jan 19 29° 41° 3° (1950) 63° (1977) 0.03" 0"
Jan 20 29° 42° -10° (1954) 65° (1968) 0.03" 0.1"
Jan 21 30° 42° -1° (1954) 67° (1968) 0.03" 0"
Jan 22 30° 42° 4° (1969) 67° (1968) 0.02" 0.1"
Jan 23 30° 42° -4° (1969) 60° (1953) 0.03" 0"
Jan 24 30° 42° -7° (1949) 63° (1953) 0.03" 0.1"
Jan 25 30° 43° -11° (1949) 61° (1959) 0.02" 0"
Jan 26 30° 43° -16° (1957) 57° (1958) 0.03" 0"
Jan 27 30° 43° -19° (1957) 63° (1971) 0.03" 0.1"
Jan 28 30° 43° -10° (1957) 61° (1967) 0.02" 0"
Jan 29 30° 43° -21° (1950) 65° (1967) 0.03" 0"
Jan 30 30° 44° -17° (1950) 65° (1967) 0.02" 0.1"
Jan 31 30° 44° -20° (1950) 71° (1971) 0.03" 0"
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