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
Sep 1 49° 74° 42° (1999) 91° (1998) 0.05" NA
Sep 2 49° 74° 41° (1999) 94° (1988) 0.06" NA
Sep 3 49° 74° 41° (1999) 100° (1988) 0.06" NA
Sep 4 48° 74° 41° (1996) 92° (1955) 0.06" NA
Sep 5 48° 73° 40° (1992) 92° (1955) 0.06" NA
Sep 6 48° 73° 39° (1992) 92° (1958) 0.06" NA
Sep 7 48° 73° 37° (1992) 95° (1958) 0.06" NA
Sep 8 48° 73° 40° (1988) 87° (1948) 0.07" NA
Sep 9 47° 73° 39° (1992) 89° (1989) 0.07" NA
Sep 10 47° 73° 40° (1992) 89° (1973) 0.07" NA
Sep 11 47° 73° 38° (1986) 91° (2007) 0.07" NA
Sep 12 47° 72° 40° (1949) 86° (1975) 0.07" NA
Sep 13 47° 72° 35° (1970) 92° (1957) 0.07" NA
Sep 14 46° 72° 37° (1992) 92° (1967) 0.07" NA
Sep 15 46° 72° 39° (1969) 96° (1967) 0.08" NA
Sep 16 46° 72° 40° (1996) 88° (1967) 0.08" NA
Sep 17 46° 71° 35° (1965) 85° (1991) 0.08" NA
Sep 18 46° 71° 37° (1989) 89° (1991) 0.08" NA
Sep 19 45° 71° 37° (1983) 90° (1991) 0.08" NA
Sep 20 45° 71° 38° (1989) 89° (1952) 0.08" NA
Sep 21 45° 70° 37° (1996) 90° (1950) 0.08" NA
Sep 22 45° 70° 36° (1993) 88° (1952) 0.08" NA
Sep 23 44° 70° 30° (2000) 93° (1989) 0.08" NA
Sep 24 44° 70° 31° (2000) 87° (1974) 0.08" NA
Sep 25 44° 69° 34° (1996) 88° (1991) 0.08" NA
Sep 26 44° 69° 36° (2000) 89° (1991) 0.08" NA
Sep 27 43° 69° 33° (1999) 85° (2003) 0.09" NA
Sep 28 43° 68° 34° (1999) 88° (2003) 0.09" NA
Sep 29 43° 68° 32° (1985) 83° (1989) 0.09" NA
Sep 30 43° 68° 33° (1985) 86° (1987) 0.09" NA
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