Hamilton, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 32° 42° 0° (1950) 65° (1940) 9.99" 8.2"
February 33° 47° 1° (1950) 74° (1938) 7.56" 4.5"
March 35° 52° 11° (1955) 81° (2004) 6.92" 2.8"
April 39° 59° 25° (1935) 91° (1934) 4.86" 0.4"
May 45° 65° 32° (2006) 96° (1963) 3.71" 0"
June 49° 69° 35° (1933) 101° (1942) 3.01" 0"
July 52° 75° 38° (1953) 102° (1951) 1.83" 0"
August 53° 75° 41° (1953) 102° (1960) 1.69" 0"
September 49° 71° 32° (1972) 102° (1944) 3.23" 0"
October 43° 60° 21° (1935) 86° (1934) 6.2" 0"
November 37° 48° 7° (1955) 77° (1949) 11.37" 1.4"
December 32° 42° 0° (1968) 63° (2007) 11.02" 6.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 52° 74° 42° (1958) 94° (1987) 0.08" NA
Sep 2 51° 74° 41° (1932) 90° (1934) 0.08" NA
Sep 3 51° 73° 42° (1962) 96° (1988) 0.08" NA
Sep 4 51° 73° 41° (1962) 97° (1988) 0.08" NA
Sep 5 51° 73° 43° (1960) 102° (1944) 0.09" NA
Sep 6 51° 73° 42° (1960) 98° (1944) 0.09" NA
Sep 7 51° 73° 43° (1960) 92° (1956) 0.09" NA
Sep 8 51° 72° 42° (1970) 98° (1981) 0.09" NA
Sep 9 50° 72° 42° (1962) 94° (1963) 0.1" NA
Sep 10 50° 72° 38° (1962) 93° (1946) 0.1" NA
Sep 11 50° 72° 39° (1970) 92° (1946) 0.1" NA
Sep 12 50° 72° 38° (1970) 88° (1945) 0.1" NA
Sep 13 50° 71° 33° (1970) 90° (1957) 0.1" NA
Sep 14 49° 71° 41° (1934) 96° (1937) 0.11" NA
Sep 15 49° 71° 39° (1969) 95° (1951) 0.11" NA
Sep 16 49° 71° 38° (1965) 91° (1967) 0.11" NA
Sep 17 49° 70° 40° (1971) 91° (1967) 0.11" NA
Sep 18 49° 70° 38° (1947) 87° (1962) 0.11" NA
Sep 19 49° 70° 35° (1983) 86° (1938) 0.12" NA
Sep 20 48° 70° 36° (1983) 90° (1952) 0.12" NA
Sep 21 48° 69° 40° (1932) 90° (1952) 0.12" NA
Sep 22 48° 69° 40° (1931) 90° (1952) 0.12" NA
Sep 23 48° 69° 40° (1931) 92° (1940) 0.12" NA
Sep 24 48° 68° 36° (1970) 90° (1940) 0.12" NA
Sep 25 47° 68° 34° (1934) 90° (1943) 0.13" NA
Sep 26 47° 68° 36° (1934) 87° (1991) 0.13" NA
Sep 27 47° 67° 32° (1972) 91° (1963) 0.13" NA
Sep 28 47° 67° 36° (1983) 89° (1932) 0.13" NA
Sep 29 46° 67° 36° (1972) 88° (2003) 0.13" NA
Sep 30 46° 66° 34° (1950) 83° (1957) 0.13" NA
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