Clayton, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 34° -38° (1950) 55° (1953) 2.2" 11.4"
February 21° 41° -36° (1950) 62° (1995) 1.76" 6.2"
March 27° 51° -12° (1951) 75° (1994) 2.08" 0.9"
April 32° 60° 17° (1979) 91° (1987) 1.65" 0.2"
May 39° 69° 16° (1954) 100° (1986) 1.96" 0"
June 45° 76° 26° (1952) 106° (1992) 1.77" 0"
July 48° 85° 31° (1962) 107° (2006) 1.06" 0"
August 46° 86° 29° (1973) 110° (1961) 0.78" 0"
September 38° 76° 19° (1950) 104° (1988) 0.82" 0"
October 30° 59° 5° (2002) 92° (1992) 1.17" 0"
November 26° 41° -19° (1985) 69° (1949) 2.81" 3"
December 18° 32° -29° (1978) 58° (1980) 2.54" 13.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 21° 35° -19° (1985) 50° (1951) 0.09" 0.3"
Dec 2 21° 34° -9° (1985) 54° (1972) 0.1" 0.4"
Dec 3 21° 34° 3° (1984) 51° (1977) 0.09" 0.3"
Dec 4 20° 34° -3° (1984) 56° (2007) 0.09" 0.3"
Dec 5 20° 33° -14° (1950) 50° (1979) 0.09" 0.4"
Dec 6 20° 33° -9° (1950) 49° (1987) 0.08" 0.4"
Dec 7 19° 33° -8° (1956) 48° (1987) 0.09" 0.5"
Dec 8 19° 33° -12° (1972) 49° (1981) 0.09" 0.4"
Dec 9 19° 32° -6° (1972) 48° (1987) 0.09" 0.4"
Dec 10 19° 32° -17° (1961) 49° (1956) 0.08" 0.4"
Dec 11 18° 32° -16° (1961) 58° (1956) 0.09" 0.5"
Dec 12 18° 32° 0° (1963) 50° (2004) 0.09" 0.5"
Dec 13 18° 32° -7° (1955) 50° (1953) 0.08" 0.5"
Dec 14 18° 31° -10° (1955) 49° (1995) 0.09" 0.4"
Dec 15 18° 31° -16° (2008) 52° (2002) 0.08" 0.5"
Dec 16 17° 31° -14° (2008) 51° (1959) 0.08" 0.5"
Dec 17 17° 31° -19° (1964) 49° (1999) 0.08" 0.4"
Dec 18 17° 31° -18° (1955) 48° (1999) 0.08" 0.5"
Dec 19 17° 31° -12° (1984) 48° (1956) 0.07" 0.4"
Dec 20 17° 31° -9° (1951) 48° (1972) 0.08" 0.5"
Dec 21 17° 31° -22° (2008) 48° (1974) 0.08" 0.4"
Dec 22 17° 31° -19° (1983) 48° (1950) 0.07" 0.5"
Dec 23 17° 31° -25° (1951) 49° (1950) 0.08" 0.4"
Dec 24 17° 31° -27° (1948) 45° (1950) 0.08" 0.5"
Dec 25 17° 31° -24° (1948) 48° (1950) 0.08" 0.4"
Dec 26 17° 31° -25° (1951) 55° (1980) 0.08" 0.5"
Dec 27 17° 31° -22° (1948) 58° (1980) 0.08" 0.4"
Dec 28 17° 31° -8° (1983) 54° (1980) 0.07" 0.5"
Dec 29 17° 31° -23° (1990) 51° (1980) 0.07" 0.5"
Dec 30 17° 31° -27° (1968) 43° (1962) 0.07" 0.5"
Dec 31 17° 31° -29° (1978) 45° (1996) 0.07" 0.5"
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