Plymouth, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 40° -22° (1957) 67° (1990) 1.01" NA
February 31° 46° -7° (1996) 70° (1982) 0.77" NA
March 35° 56° 12° (1993) 79° (1960) 0.75" NA
April 41° 63° 29° (1997) 90° (1977) 0.62" NA
May 48° 71° 34° (2002) 104° (1983) 0.65" NA
June 54° 78° 35° (1974) 106° (1961) 0.43" NA
July 60° 86° 43° (1963) 110° (1960) 0.25" NA
August 60° 86° 43° (1964) 111° (1961) 0.37" NA
September 52° 76° 34° (1983) 103° (1955) 0.39" NA
October 43° 64° 20° (2002) 87° (1988) 0.59" NA
November 36° 49° -2° (1955) 75° (1999) 1.18" NA
December 30° 41° -9° (1983) 68° (2007) 1.12" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 51° 75° 41° (1984) 99° (1957) 0.02" NA
Jun 2 51° 75° 41° (1974) 101° (1986) 0.02" NA
Jun 3 52° 75° 41° (1962) 95° (1979) 0.02" NA
Jun 4 52° 75° 42° (1962) 97° (2007) 0.02" NA
Jun 5 52° 75° 44° (1962) 99° (1957) 0.02" NA
Jun 6 52° 76° 40° (1961) 94° (1973) 0.02" NA
Jun 7 52° 76° 42° (1974) 97° (1970) 0.02" NA
Jun 8 52° 76° 35° (1974) 93° (2003) 0.02" NA
Jun 9 53° 76° 43° (2002) 90° (1955) 0.02" NA
Jun 10 53° 76° 43° (1963) 92° (1955) 0.02" NA
Jun 11 53° 77° 47° (1956) 94° (1955) 0.02" NA
Jun 12 53° 77° 47° (2001) 95° (1955) 0.02" NA
Jun 13 54° 77° 44° (1976) 92° (1969) 0.02" NA
Jun 14 54° 77° 45° (1976) 96° (1987) 0.01" NA
Jun 15 54° 78° 46° (1994) 101° (1974) 0.01" NA
Jun 16 54° 78° 47° (1994) 97° (1961) 0.01" NA
Jun 17 54° 78° 46° (1991) 106° (1961) 0.01" NA
Jun 18 55° 78° 46° (1996) 101° (1958) 0.01" NA
Jun 19 55° 79° 40° (1986) 100° (1967) 0.01" NA
Jun 20 55° 79° 46° (1964) 100° (1985) 0.01" NA
Jun 21 55° 79° 45° (1965) 104° (1958) 0.01" NA
Jun 22 55° 80° 43° (1963) 104° (1958) 0.01" NA
Jun 23 56° 80° 48° (1975) 101° (1970) 0.01" NA
Jun 24 56° 80° 48° (1985) 104° (1992) 0.01" NA
Jun 25 56° 81° 43° (1966) 103° (1992) 0.01" NA
Jun 26 56° 81° 43° (1979) 99° (1970) 0.01" NA
Jun 27 57° 81° 47° (1958) 100° (1970) 0.01" NA
Jun 28 57° 81° 45° (1979) 101° (2006) 0.01" NA
Jun 29 57° 82° 46° (1963) 100° (1976) 0.01" NA
Jun 30 57° 82° 49° (1968) 102° (1987) 0.01" NA
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