Cosmopolis, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 37° 48° 6° (1950) 66° (1940) 13.58" 0"
February 37° 51° 8° (1933) 73° (1992) 9.58" 0.1"
March 39° 54° 21° (1935) 79° (1994) 8.95" 0.1"
April 41° 57° 25° (1936) 85° (1998) 6.19" 0"
May 46° 61° 29° (1954) 96° (1963) 3.77" 0"
June 51° 65° 34° (1944) 101° (1942) 2.61" 0"
July 54° 68° 37° (1932) 104° (1942) 1.23" 0"
August 54° 69° 39° (1945) 105° (1981) 1.48" 0"
September 51° 69° 33° (1948) 100° (1988) 2.53" 0"
October 45° 61° 19° (1935) 86° (1987) 7.69" 0"
November 40° 52° 11° (1955) 70° (1970) 14.28" 0.1"
December 36° 46° 10° (1983) 62° (1980) 12.89" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 37° 46° 16° (1942) 58° (1997) 0.42" 0"
Jan 2 37° 47° 18° (1950) 58° (1946) 0.42" 0"
Jan 3 37° 47° 18° (1950) 56° (2001) 0.43" 0"
Jan 4 37° 47° 19° (1942) 57° (1984) 0.45" 0"
Jan 5 37° 47° 20° (1982) 55° (2001) 0.44" 0"
Jan 6 37° 47° 14° (1937) 54° (2006) 0.45" 0"
Jan 7 37° 47° 15° (1937) 58° (2003) 0.45" 0"
Jan 8 37° 47° 17° (1974) 56° (1996) 0.45" 0"
Jan 9 37° 47° 17° (1949) 60° (1941) 0.46" 0"
Jan 10 37° 47° 15° (1949) 60° (1941) 0.46" 0"
Jan 11 37° 47° 16° (1937) 56° (1981) 0.47" 0"
Jan 12 37° 47° 16° (1963) 57° (1931) 0.46" 0"
Jan 13 37° 48° 16° (1950) 57° (1986) 0.46" 0"
Jan 14 37° 48° 6° (1950) 56° (1981) 0.45" 0"
Jan 15 38° 48° 10° (1950) 55° (1961) 0.46" 0"
Jan 16 38° 48° 10° (1950) 55° (1940) 0.47" 0"
Jan 17 38° 48° 16° (1943) 56° (1958) 0.47" 0"
Jan 18 38° 48° 9° (1935) 55° (1958) 0.46" 0"
Jan 19 38° 48° 12° (1935) 60° (2005) 0.46" 0"
Jan 20 38° 48° 17° (1962) 61° (2005) 0.44" 0"
Jan 21 38° 48° 15° (1962) 63° (1961) 0.44" 0"
Jan 22 38° 48° 9° (1943) 60° (1961) 0.43" 0"
Jan 23 37° 49° 17° (1969) 55° (1961) 0.42" 0"
Jan 24 37° 49° 15° (1949) 60° (1935) 0.42" 0"
Jan 25 37° 49° 13° (1950) 56° (1931) 0.41" 0"
Jan 26 37° 49° 14° (1957) 57° (2003) 0.4" 0"
Jan 27 37° 49° 14° (1957) 58° (1940) 0.41" 0"
Jan 28 37° 49° 14° (1972) 64° (1931) 0.41" 0"
Jan 29 37° 49° 14° (1972) 63° (1931) 0.4" 0"
Jan 30 37° 49° 15° (1980) 66° (1940) 0.4" 0"
Jan 31 37° 49° 9° (1950) 65° (1935) 0.41" 0"
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