Clayton, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 34° -38° (1950) 55° (1953) 2.28" 14.6"
February 23° 41° -36° (1950) 62° (1995) 1.97" 5.4"
March 28° 52° -12° (1951) 75° (1994) 2.05" 2.3"
April 33° 61° 17° (1979) 91° (1987) 1.62" 0.1"
May 40° 70° 16° (1954) 100° (1986) 2.14" 0"
June 46° 77° 26° (1952) 106° (1992) 1.76" 0"
July 49° 85° 31° (1962) 107° (2006) 1.2" 0"
August 48° 86° 29° (1973) 110° (1961) 1.01" 0"
September 39° 76° 19° (1950) 104° (1988) 1.02" 0"
October 31° 61° 5° (2002) 92° (1992) 1.21" 0.1"
November 27° 43° -19° (1985) 69° (1949) 2.72" 4.5"
December 20° 34° -29° (1978) 58° (1980) 2.92" 15.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 37° 66° 16° (1954) 88° (1998) 0.06" NA
May 2 37° 66° 21° (1954) 87° (1998) 0.06" NA
May 3 37° 67° 26° (1968) 82° (1966) 0.06" NA
May 4 37° 67° 25° (1949) 87° (1966) 0.07" NA
May 5 38° 67° 24° (1982) 90° (1992) 0.07" NA
May 6 38° 67° 25° (1965) 94° (1992) 0.07" NA
May 7 38° 68° 26° (1965) 95° (1992) 0.07" NA
May 8 39° 68° 23° (2002) 91° (1987) 0.07" NA
May 9 39° 68° 25° (2002) 93° (1987) 0.07" NA
May 10 39° 69° 26° (1999) 91° (1949) 0.07" NA
May 11 39° 69° 25° (1959) 92° (1949) 0.07" NA
May 12 39° 69° 24° (1985) 96° (1993) 0.07" NA
May 13 40° 69° 27° (1985) 98° (1993) 0.07" NA
May 14 40° 70° 24° (1964) 89° (1949) 0.07" NA
May 15 40° 70° 25° (1986) 91° (1973) 0.07" NA
May 16 40° 70° 26° (1977) 94° (1973) 0.07" NA
May 17 41° 70° 25° (1966) 96° (2006) 0.07" NA
May 18 41° 71° 24° (1966) 95° (2006) 0.07" NA
May 19 41° 71° 28° (1987) 93° (1993) 0.07" NA
May 20 41° 71° 29° (1987) 90° (1954) 0.07" NA
May 21 42° 71° 28° (1973) 87° (1958) 0.07" NA
May 22 42° 72° 29° (1960) 92° (1988) 0.07" NA
May 23 42° 72° 27° (1964) 95° (2001) 0.07" NA
May 24 42° 72° 30° (1950) 92° (1985) 0.07" NA
May 25 42° 72° 27° (1964) 92° (1992) 0.07" NA
May 26 43° 72° 31° (1951) 97° (1992) 0.07" NA
May 27 43° 73° 32° (1973) 93° (1958) 0.07" NA
May 28 43° 73° 29° (1950) 95° (1958) 0.07" NA
May 29 43° 73° 26° (1951) 99° (1986) 0.07" NA
May 30 43° 73° 28° (1951) 99° (1986) 0.07" NA
May 31 43° 74° 30° (1950) 100° (1986) 0.07" NA
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