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
Sep 1 48° 77° 37° (1973) 97° (1987) 0.07" NA
Sep 2 48° 77° 36° (1956) 100° (1988) 0.07" NA
Sep 3 47° 77° 37° (1956) 100° (1988) 0.07" NA
Sep 4 47° 77° 35° (1956) 90° (1949) 0.07" NA
Sep 5 47° 77° 38° (1956) 92° (1953) 0.08" NA
Sep 6 47° 76° 33° (1992) 96° (1955) 0.08" NA
Sep 7 47° 76° 33° (1992) 95° (1981) 0.08" NA
Sep 8 46° 76° 37° (2001) 93° (1981) 0.08" NA
Sep 9 46° 76° 38° (1952) 91° (1963) 0.08" NA
Sep 10 46° 76° 37° (1970) 90° (1948) 0.09" NA
Sep 11 46° 75° 34° (1988) 89° (1948) 0.09" NA
Sep 12 46° 75° 30° (1949) 88° (1975) 0.09" NA
Sep 13 45° 75° 29° (1970) 93° (1999) 0.09" NA
Sep 14 45° 75° 36° (1991) 94° (1957) 0.09" NA
Sep 15 45° 74° 35° (1969) 95° (1967) 0.09" NA
Sep 16 45° 74° 32° (1992) 93° (1967) 0.1" NA
Sep 17 45° 74° 32° (1965) 85° (1991) 0.1" NA
Sep 18 44° 74° 33° (1965) 88° (1991) 0.1" NA
Sep 19 44° 73° 30° (1957) 90° (1999) 0.1" NA
Sep 20 44° 73° 33° (1983) 91° (1974) 0.1" NA
Sep 21 44° 73° 30° (2002) 90° (1974) 0.11" NA
Sep 22 44° 72° 30° (1993) 92° (1952) 0.11" NA
Sep 23 43° 72° 29° (2000) 90° (1952) 0.11" NA
Sep 24 43° 72° 29° (2000) 90° (1997) 0.11" NA
Sep 25 43° 72° 31° (2000) 90° (1991) 0.11" NA
Sep 26 43° 71° 32° (1972) 86° (2006) 0.12" NA
Sep 27 43° 71° 29° (1972) 89° (2003) 0.12" NA
Sep 28 42° 71° 30° (1999) 89° (1949) 0.12" NA
Sep 29 42° 70° 28° (1985) 83° (1957) 0.12" NA
Sep 30 42° 70° 28° (1983) 84° (1987) 0.12" NA
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