Winchester, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 36° -29° (1950) 63° (1953) 1" NA
February 27° 43° -25° (1950) 73° (1947) 0.67" NA
March 32° 55° 0° (1951) 78° (1960) 0.64" NA
April 39° 64° 14° (1954) 92° (1977) 0.53" NA
May 46° 72° 23° (1954) 99° (1986) 0.72" NA
June 53° 79° 33° (1976) 106° (1961) 0.48" NA
July 58° 87° 36° (1962) 109° (1941) 0.23" NA
August 57° 86° 37° (1965) 107° (1946) 0.21" NA
September 49° 77° 26° (1985) 100° (1944) 0.37" NA
October 38° 63° 9° (2002) 89° (1943) 0.53" NA
November 30° 46° -15° (1985) 75° (1945) 1.13" NA
December 21° 34° -19° (1968) 64° (1972) 1.37" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 59° 89° 48° (2002) 103° (1949) 0.01" NA
Aug 2 59° 89° 42° (1956) 103° (1961) 0.01" NA
Aug 3 59° 88° 47° (1982) 103° (1961) 0" NA
Aug 4 59° 88° 46° (1962) 106° (1961) 0.01" NA
Aug 5 59° 88° 38° (1969) 100° (1961) 0.01" NA
Aug 6 59° 88° 42° (1948) 102° (1945) 0.01" NA
Aug 7 59° 88° 45° (1946) 100° (1981) 0" NA
Aug 8 59° 88° 45° (1969) 104° (1945) 0.01" NA
Aug 9 59° 88° 44° (1969) 103° (1942) 0.01" NA
Aug 10 58° 87° 47° (1966) 102° (1942) 0" NA
Aug 11 58° 87° 46° (1947) 100° (1960) 0.01" NA
Aug 12 58° 87° 48° (1985) 100° (1971) 0" NA
Aug 13 58° 87° 44° (1982) 100° (1971) 0.01" NA
Aug 14 58° 87° 42° (1982) 101° (1956) 0" NA
Aug 15 58° 86° 46° (1974) 101° (1953) 0.01" NA
Aug 16 57° 86° 45° (1964) 103° (1942) 0.01" NA
Aug 17 57° 86° 40° (1973) 102° (1942) 0" NA
Aug 18 57° 86° 43° (1973) 103° (1942) 0.01" NA
Aug 19 57° 85° 41° (1980) 106° (1942) 0.01" NA
Aug 20 56° 85° 44° (1966) 103° (1942) 0" NA
Aug 21 56° 85° 44° (1968) 102° (1958) 0.01" NA
Aug 22 56° 85° 37° (1960) 107° (1946) 0" NA
Aug 23 56° 84° 40° (1992) 102° (1961) 0.01" NA
Aug 24 55° 84° 40° (1992) 100° (1958) 0.01" NA
Aug 25 55° 84° 41° (1969) 99° (1958) 0.01" NA
Aug 26 55° 84° 42° (1963) 93° (1986) 0" NA
Aug 27 55° 83° 41° (1976) 94° (1944) 0.01" NA
Aug 28 54° 83° 41° (1984) 96° (1945) 0.01" NA
Aug 29 54° 83° 37° (1965) 96° (1945) 0" NA
Aug 30 54° 83° 41° (1965) 99° (1944) 0.01" NA
Aug 31 54° 82° 40° (1965) 97° (1949) 0.01" NA
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