Montesano, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 33° 47° 0° (1950) 64° (2005) 10.07" 3"
February 34° 51° 4° (1950) 73° (1992) 8.53" 1.5"
March 36° 56° 15° (1955) 80° (2004) 7.36" 0.7"
April 38° 61° 25° (1997) 89° (1998) 4.92" 0"
May 43° 67° 25° (1954) 99° (1983) 3.17" 0"
June 46° 72° 31° (1971) 101° (2006) 2.27" 0"
July 49° 77° 37° (1955) 105° (1956) 1.19" 0"
August 49° 78° 33° (1951) 103° (1981) 1.4" 0"
September 45° 74° 28° (1985) 100° (1988) 2.87" 0"
October 39° 63° 15° (2002) 91° (1987) 5.68" 0"
November 35° 52° 4° (1985) 74° (1980) 10.16" 0.8"
December 32° 46° 2° (1972) 65° (1958) 11.18" 2.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 64° 25° (1954) 88° (1998) 0.13" NA
May 2 40° 65° 28° (2006) 79° (1971) 0.12" NA
May 3 41° 65° 32° (1959) 83° (1992) 0.12" NA
May 4 41° 65° 29° (1949) 84° (1992) 0.12" NA
May 5 41° 65° 30° (1949) 85° (1953) 0.12" NA
May 6 41° 66° 30° (1965) 89° (1953) 0.12" NA
May 7 41° 66° 30° (2003) 89° (1987) 0.11" NA
May 8 41° 66° 27° (2002) 93° (1987) 0.11" NA
May 9 42° 66° 28° (1996) 86° (1987) 0.11" NA
May 10 42° 66° 30° (1999) 81° (1987) 0.11" NA
May 11 42° 67° 30° (1970) 89° (1971) 0.11" NA
May 12 42° 67° 28° (1985) 89° (1971) 0.11" NA
May 13 42° 67° 30° (1958) 92° (1973) 0.1" NA
May 14 42° 67° 32° (1964) 92° (1973) 0.1" NA
May 15 43° 67° 32° (1964) 87° (1958) 0.1" NA
May 16 43° 67° 33° (2002) 87° (1985) 0.1" NA
May 17 43° 68° 30° (2003) 89° (1956) 0.1" NA
May 18 43° 68° 27° (2003) 95° (1956) 0.1" NA
May 19 43° 68° 30° (2003) 90° (1961) 0.1" NA
May 20 43° 68° 33° (1955) 93° (1963) 0.09" NA
May 21 43° 68° 33° (1973) 89° (1988) 0.09" NA
May 22 44° 68° 32° (1960) 93° (2001) 0.09" NA
May 23 44° 69° 32° (1950) 93° (2001) 0.09" NA
May 24 44° 69° 31° (1950) 92° (1992) 0.09" NA
May 25 44° 69° 32° (1967) 92° (1992) 0.09" NA
May 26 44° 69° 33° (1973) 89° (2005) 0.09" NA
May 27 44° 69° 32° (1955) 94° (2005) 0.09" NA
May 28 44° 69° 33° (1966) 99° (1983) 0.09" NA
May 29 44° 69° 34° (1951) 89° (1973) 0.09" NA
May 30 45° 69° 34° (1962) 89° (1957) 0.09" NA
May 31 45° 70° 32° (1955) 93° (1956) 0.09" NA
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