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
Jul 1 58° 83° 50° (1976) 104° (1987) 0.01" NA
Jul 2 58° 83° 44° (1962) 98° (1987) 0.01" NA
Jul 3 58° 83° 47° (1962) 101° (1967) 0.01" NA
Jul 4 58° 83° 48° (1999) 105° (1967) 0.01" NA
Jul 5 59° 84° 52° (1977) 106° (1968) 0.01" NA
Jul 6 59° 84° 48° (1962) 104° (1968) 0.01" NA
Jul 7 59° 84° 48° (1971) 106° (1968) 0.01" NA
Jul 8 59° 85° 49° (1981) 104° (1968) 0.01" NA
Jul 9 59° 85° 49° (1981) 105° (1968) 0.01" NA
Jul 10 59° 85° 52° (1971) 102° (1985) 0.01" NA
Jul 11 60° 85° 51° (1981) 106° (1958) 0.01" NA
Jul 12 60° 86° 51° (1981) 103° (1960) 0.01" NA
Jul 13 60° 86° 50° (1974) 106° (1961) 0.01" NA
Jul 14 60° 86° 52° (1962) 103° (1961) 0.01" NA
Jul 15 60° 86° 51° (1982) 104° (1955) 0" NA
Jul 16 60° 86° 52° (1974) 103° (1958) 0" NA
Jul 17 61° 86° 52° (1974) 110° (1960) 0" NA
Jul 18 61° 87° 49° (1962) 107° (1960) 0" NA
Jul 19 61° 87° 52° (1996) 106° (1959) 0" NA
Jul 20 61° 87° 52° (1996) 106° (1956) 0" NA
Jul 21 61° 87° 54° (1984) 105° (1971) 0.01" NA
Jul 22 61° 87° 53° (1965) 107° (1959) 0.01" NA
Jul 23 61° 87° 50° (1963) 105° (1994) 0.01" NA
Jul 24 61° 87° 52° (1982) 108° (2006) 0.01" NA
Jul 25 61° 87° 54° (1963) 104° (1962) 0.01" NA
Jul 26 61° 87° 53° (1963) 104° (1960) 0.01" NA
Jul 27 61° 88° 54° (1986) 106° (1958) 0.01" NA
Jul 28 61° 88° 51° (1959) 109° (1958) 0.01" NA
Jul 29 61° 88° 51° (1959) 105° (1998) 0.01" NA
Jul 30 62° 88° 52° (1980) 105° (2003) 0.01" NA
Jul 31 62° 88° 43° (1963) 107° (1971) 0.01" NA
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