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
Mar 1 33° 51° 12° (1993) 65° (1988) 0.03" NA
Mar 2 33° 51° 12° (1993) 60° (2005) 0.03" NA
Mar 3 33° 51° 18° (1989) 64° (1968) 0.03" NA
Mar 4 33° 52° 18° (1955) 69° (1987) 0.03" NA
Mar 5 34° 52° 14° (1955) 68° (1987) 0.03" NA
Mar 6 34° 53° 16° (1955) 67° (1987) 0.03" NA
Mar 7 34° 53° 23° (1976) 71° (1979) 0.03" NA
Mar 8 34° 53° 26° (1974) 71° (2005) 0.03" NA
Mar 9 34° 54° 28° (1974) 71° (2005) 0.03" NA
Mar 10 34° 54° 25° (1969) 75° (2005) 0.03" NA
Mar 11 35° 54° 25° (1969) 65° (1965) 0.03" NA
Mar 12 35° 55° 23° (1956) 72° (2005) 0.03" NA
Mar 13 35° 55° 27° (1962) 66° (2007) 0.03" NA
Mar 14 35° 55° 28° (1969) 75° (2003) 0.02" NA
Mar 15 35° 56° 29° (1988) 72° (1995) 0.02" NA
Mar 16 35° 56° 29° (1982) 70° (1959) 0.02" NA
Mar 17 36° 56° 26° (1965) 69° (2004) 0.02" NA
Mar 18 36° 56° 21° (1965) 73° (1972) 0.02" NA
Mar 19 36° 57° 19° (1965) 72° (1978) 0.02" NA
Mar 20 36° 57° 26° (1965) 71° (2007) 0.02" NA
Mar 21 36° 57° 26° (1974) 71° (1978) 0.02" NA
Mar 22 36° 57° 28° (1994) 74° (1960) 0.02" NA
Mar 23 37° 58° 27° (1994) 76° (1960) 0.02" NA
Mar 24 37° 58° 23° (1964) 72° (1960) 0.02" NA
Mar 25 37° 58° 26° (1964) 79° (1960) 0.02" NA
Mar 26 37° 59° 26° (1996) 72° (1997) 0.02" NA
Mar 27 37° 59° 26° (1975) 71° (1974) 0.02" NA
Mar 28 37° 59° 24° (1975) 71° (1978) 0.02" NA
Mar 29 37° 59° 23° (1975) 72° (1986) 0.02" NA
Mar 30 38° 59° 26° (1987) 77° (1966) 0.02" NA
Mar 31 38° 60° 29° (1987) 78° (2003) 0.02" NA
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