West Richland, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 40° -21° (1950) 71° (1971) 0.97" 2"
February 29° 47° -22° (1950) 73° (1986) 0.75" 1.9"
March 35° 57° 11° (1993) 82° (1960) 0.71" 0.3"
April 40° 65° 23° (1972) 92° (1977) 0.57" 0"
May 47° 73° 30° (1954) 104° (1986) 0.61" 0"
June 54° 80° 38° (1984) 110° (1958) 0.41" 0"
July 58° 88° 41° (1948) 110° (1968) 0.25" 0"
August 58° 88° 39° (1973) 113° (1961) 0.3" 0"
September 50° 79° 31° (1984) 106° (1950) 0.34" 0"
October 40° 65° 13° (2002) 89° (1958) 0.53" 0"
November 33° 49° -6° (1985) 77° (1975) 1.07" 1"
December 27° 40° -10° (1968) 66° (1993) 1.04" 3.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 38° 62° 28° (1971) 78° (1987) 0.02" NA
Apr 2 38° 62° 26° (1953) 77° (1990) 0.02" NA
Apr 3 38° 62° 23° (1972) 78° (1992) 0.02" NA
Apr 4 38° 62° 25° (1950) 78° (1951) 0.02" NA
Apr 5 38° 62° 25° (1975) 83° (1960) 0.02" NA
Apr 6 38° 63° 28° (1997) 82° (1952) 0.02" NA
Apr 7 39° 63° 26° (1973) 84° (1977) 0.02" NA
Apr 8 39° 63° 26° (1973) 87° (1977) 0.02" NA
Apr 9 39° 63° 27° (1988) 83° (1985) 0.02" NA
Apr 10 39° 64° 30° (1954) 83° (1985) 0.02" NA
Apr 11 39° 64° 29° (1997) 84° (1949) 0.02" NA
Apr 12 40° 64° 26° (1970) 81° (1988) 0.02" NA
Apr 13 40° 64° 27° (1968) 83° (1985) 0.02" NA
Apr 14 40° 65° 31° (2001) 86° (1951) 0.02" NA
Apr 15 40° 65° 30° (1970) 86° (1962) 0.02" NA
Apr 16 40° 65° 31° (1970) 84° (1984) 0.02" NA
Apr 17 41° 65° 27° (1964) 86° (1949) 0.01" NA
Apr 18 41° 66° 29° (1964) 88° (1949) 0.01" NA
Apr 19 41° 66° 29° (1966) 90° (1952) 0.01" NA
Apr 20 41° 66° 29° (1982) 81° (1956) 0.02" NA
Apr 21 41° 66° 27° (1951) 88° (1956) 0.02" NA
Apr 22 42° 67° 26° (1972) 89° (1956) 0.02" NA
Apr 23 42° 67° 32° (1964) 89° (1956) 0.02" NA
Apr 24 42° 67° 31° (1950) 87° (1977) 0.02" NA
Apr 25 42° 68° 30° (1949) 92° (1977) 0.02" NA
Apr 26 43° 68° 32° (1950) 89° (1977) 0.02" NA
Apr 27 43° 68° 26° (1970) 86° (1987) 0.02" NA
Apr 28 43° 68° 29° (1967) 89° (1980) 0.02" NA
Apr 29 43° 69° 33° (1952) 87° (1957) 0.02" NA
Apr 30 44° 69° 30° (1972) 92° (1957) 0.02" NA
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