Preston, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 36° 47° -1° (1957) 67° (2005) 8.85" 1.9"
February 35° 50° -3° (1950) 75° (1968) 5.61" 1.3"
March 37° 54° 8° (1955) 79° (1994) 6.26" 0.7"
April 40° 58° 24° (1952) 90° (1934) 4.81" 0"
May 46° 64° 26° (1954) 97° (1983) 4.01" 0"
June 51° 69° 31° (1947) 99° (1982) 2.94" 0"
July 54° 75° 36° (1952) 100° (2004) 1.37" 0"
August 53° 76° 35° (1945) 102° (1960) 1.29" 0"
September 48° 70° 30° (1984) 98° (1981) 2.85" 0"
October 43° 60° 23° (1949) 95° (1987) 5.69" 0"
November 38° 51° 2° (1955) 75° (1949) 10.12" 1.2"
December 34° 45° 3° (1990) 67° (1980) 8.45" 2.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 52° 72° 40° (1931) 98° (1942) 0.06" 0"
Jul 2 52° 73° 40° (1949) 98° (1942) 0.07" 0"
Jul 3 52° 73° 38° (1940) 97° (1942) 0.06" 0"
Jul 4 53° 73° 38° (1949) 93° (1942) 0.06" 0"
Jul 5 53° 73° 39° (1932) 91° (1958) 0.06" 0"
Jul 6 53° 74° 36° (1952) 91° (1958) 0.06" 0"
Jul 7 53° 74° 39° (1932) 91° (1945) 0.06" 0"
Jul 8 53° 74° 39° (1949) 93° (1931) 0.05" 0"
Jul 9 53° 74° 39° (1935) 94° (1985) 0.06" 0"
Jul 10 53° 74° 43° (1941) 87° (1952) 0.05" 0"
Jul 11 53° 75° 37° (1934) 93° (1951) 0.05" 0"
Jul 12 53° 75° 39° (1939) 99° (1951) 0.05" 0"
Jul 13 54° 75° 41° (1948) 92° (1935) 0.05" 0"
Jul 14 54° 75° 42° (2001) 93° (1935) 0.05" 0"
Jul 15 54° 75° 43° (1969) 97° (1941) 0.05" 0"
Jul 16 54° 76° 42° (1953) 98° (1941) 0.04" 0"
Jul 17 54° 76° 40° (1949) 97° (1941) 0.04" 0"
Jul 18 54° 76° 38° (1934) 96° (1944) 0.04" 0"
Jul 19 54° 76° 40° (1934) 95° (1956) 0.04" 0"
Jul 20 54° 76° 42° (1933) 96° (1942) 0.04" 0"
Jul 21 54° 76° 40° (1982) 97° (1994) 0.03" 0"
Jul 22 54° 76° 43° (1931) 97° (2006) 0.04" 0"
Jul 23 54° 77° 42° (1934) 93° (1994) 0.03" 0"
Jul 24 55° 77° 41° (1953) 99° (2004) 0.03" 0"
Jul 25 55° 77° 42° (1948) 100° (2004) 0.03" 0"
Jul 26 55° 77° 40° (1976) 91° (1971) 0.03" 0"
Jul 27 55° 77° 42° (1931) 98° (1958) 0.03" 0"
Jul 28 55° 77° 41° (1956) 98° (1958) 0.03" 0"
Jul 29 55° 77° 41° (1943) 95° (1958) 0.03" 0"
Jul 30 55° 77° 41° (1933) 93° (1965) 0.02" 0"
Jul 31 55° 77° 41° (1932) 94° (1965) 0.03" 0"
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