Kennewick, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 42° -19° (1950) 69° (2003) 1.08" 0.6"
February 31° 48° -23° (1950) 74° (1995) 0.81" 0"
March 36° 58° 10° (1955) 82° (1960) 0.73" 0"
April 42° 66° 22° (1952) 91° (1987) 0.56" 0"
May 50° 75° 30° (1986) 104° (1983) 0.64" 0"
June 56° 82° 38° (1975) 107° (1992) 0.51" 0"
July 62° 90° 42° (1971) 109° (2006) 0.22" 0"
August 61° 89° 41° (1965) 110° (1998) 0.18" 0"
September 52° 80° 30° (1983) 100° (1987) 0.3" 0"
October 42° 66° 17° (1971) 89° (1988) 0.6" 0"
November 36° 51° -8° (1985) 79° (1999) 1" 0.1"
December 29° 40° -7° (1983) 69° (2007) 1.13" 0.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 32° 44° -4° (1985) 63° (1972) 0.04" 0"
Dec 2 31° 43° -3° (1985) 64° (1958) 0.04" 0"
Dec 3 31° 43° 7° (1985) 67° (1977) 0.03" 0"
Dec 4 31° 42° 13° (1972) 69° (2007) 0.04" 0"
Dec 5 31° 42° 13° (1972) 65° (2007) 0.03" 0"
Dec 6 30° 42° 13° (1984) 59° (1957) 0.04" 0"
Dec 7 30° 41° 9° (1980) 64° (1987) 0.03" 0"
Dec 8 30° 41° -5° (1972) 61° (1957) 0.04" 0.1"
Dec 9 30° 41° -3° (1972) 60° (1953) 0.03" 0"
Dec 10 29° 40° -2° (1972) 66° (1987) 0.03" 0"
Dec 11 29° 40° -2° (1972) 68° (1993) 0.04" 0"
Dec 12 29° 40° 10° (1972) 62° (1955) 0.03" 0"
Dec 13 29° 40° 2° (1972) 61° (1988) 0.03" 0"
Dec 14 29° 40° 2° (1972) 59° (1977) 0.03" 0"
Dec 15 28° 39° 2° (1972) 66° (2002) 0.04" 0"
Dec 16 28° 39° -1° (1964) 65° (1973) 0.03" 0"
Dec 17 28° 39° -4° (1964) 61° (1997) 0.04" 0"
Dec 18 28° 39° 4° (1964) 59° (1999) 0.04" 0"
Dec 19 28° 39° 2° (1984) 56° (1957) 0.04" 0.1"
Dec 20 28° 39° 3° (1984) 62° (1994) 0.04" 0"
Dec 21 28° 39° -3° (1990) 65° (1994) 0.04" 0"
Dec 22 28° 39° -5° (1990) 59° (1950) 0.03" 0"
Dec 23 28° 39° -7° (1983) 64° (1950) 0.04" 0"
Dec 24 28° 39° -3° (1983) 59° (1950) 0.04" 0"
Dec 25 28° 39° 5° (1983) 62° (1957) 0.04" 0.1"
Dec 26 28° 39° 5° (1948) 68° (1980) 0.04" 0"
Dec 27 28° 39° 4° (1948) 65° (1980) 0.04" 0"
Dec 28 28° 39° -6° (1996) 60° (1980) 0.04" 0"
Dec 29 28° 39° -4° (1990) 63° (1949) 0.04" 0.1"
Dec 30 28° 39° -6° (1990) 59° (1998) 0.03" 0"
Dec 31 28° 39° 0° (1978) 57° (1958) 0.04" 0"
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