Cathlamet, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° 45° 4° (1950) 61° (1961) 8.28" 3.9"
February 33° 50° 1° (1989) 72° (1986) 6.75" 1.4"
March 35° 54° 20° (1971) 78° (2004) 5.94" 0.7"
April 38° 59° 26° (1986) 86° (1987) 4.08" 0"
May 43° 64° 28° (1954) 92° (1987) 2.69" 0"
June 47° 68° 35° (1999) 99° (1992) 1.83" 0"
July 51° 74° 37° (1955) 102° (1958) 0.84" 0"
August 51° 75° 40° (1985) 103° (1981) 0.96" 0"
September 46° 71° 30° (2000) 100° (1988) 2.22" 0"
October 39° 62° 17° (2002) 88° (1987) 4.08" 0"
November 35° 50° 8° (1955) 67° (1969) 8.84" 0.4"
December 32° 45° 1° (1990) 64° (1993) 8.98" 3.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 61° 28° (1954) 82° (2004) 0.11" NA
May 2 40° 62° 30° (2006) 79° (1998) 0.11" NA
May 3 41° 62° 32° (2006) 82° (1970) 0.1" NA
May 4 41° 62° 32° (1949) 85° (1953) 0.1" NA
May 5 41° 62° 33° (1965) 85° (1990) 0.1" NA
May 6 41° 62° 31° (2001) 84° (1992) 0.1" NA
May 7 41° 63° 31° (2002) 89° (1987) 0.1" NA
May 8 42° 63° 29° (2002) 92° (1987) 0.1" NA
May 9 42° 63° 30° (1996) 89° (1987) 0.09" NA
May 10 42° 63° 30° (1996) 80° (1971) 0.09" NA
May 11 42° 63° 33° (1959) 91° (1971) 0.09" NA
May 12 42° 64° 30° (1985) 90° (1997) 0.09" NA
May 13 42° 64° 33° (1958) 89° (1973) 0.09" NA
May 14 43° 64° 33° (1964) 83° (1997) 0.09" NA
May 15 43° 64° 34° (1969) 85° (1958) 0.09" NA
May 16 43° 64° 34° (2002) 89° (1956) 0.08" NA
May 17 43° 64° 35° (1966) 90° (1956) 0.08" NA
May 18 43° 64° 30° (2003) 84° (1993) 0.08" NA
May 19 44° 65° 33° (2003) 88° (1961) 0.08" NA
May 20 44° 65° 36° (1975) 92° (1963) 0.08" NA
May 21 44° 65° 34° (1992) 85° (1951) 0.08" NA
May 22 44° 65° 35° (1960) 89° (1988) 0.08" NA
May 23 44° 65° 35° (1964) 89° (2001) 0.08" NA
May 24 44° 65° 37° (2002) 87° (1999) 0.08" NA
May 25 44° 65° 34° (1975) 89° (1992) 0.08" NA
May 26 45° 65° 35° (1973) 83° (1972) 0.08" NA
May 27 45° 66° 38° (1994) 89° (2005) 0.08" NA
May 28 45° 66° 36° (1998) 89° (1972) 0.07" NA
May 29 45° 66° 37° (1951) 86° (1973) 0.07" NA
May 30 45° 66° 36° (1988) 85° (2007) 0.07" NA
May 31 45° 66° 36° (1953) 91° (1986) 0.07" NA
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