Winchester, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 34° -29° (1950) 63° (1953) 0.88" NA
February 27° 43° -25° (1950) 73° (1947) 0.75" NA
March 32° 54° 0° (1951) 78° (1960) 0.69" NA
April 39° 64° 14° (1954) 92° (1977) 0.45" NA
May 46° 72° 23° (1954) 99° (1986) 0.63" NA
June 53° 79° 33° (1976) 106° (1961) 0.49" NA
July 58° 86° 36° (1962) 109° (1941) 0.29" NA
August 57° 85° 37° (1965) 107° (1946) 0.33" NA
September 49° 77° 26° (1985) 100° (1944) 0.44" NA
October 38° 63° 9° (2002) 89° (1943) 0.52" NA
November 30° 45° -15° (1985) 75° (1945) 1.17" NA
December 22° 35° -19° (1968) 64° (1972) 1.32" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 30° 48° 1° (1962) 62° (1968) 0.03" NA
Mar 2 30° 49° 7° (1962) 65° (1947) 0.03" NA
Mar 3 30° 49° 7° (1955) 64° (1994) 0.03" NA
Mar 4 30° 50° 3° (1955) 62° (1994) 0.03" NA
Mar 5 30° 50° 5° (1955) 63° (2005) 0.03" NA
Mar 6 30° 50° 15° (1947) 65° (2005) 0.03" NA
Mar 7 31° 51° 6° (1951) 70° (2005) 0.03" NA
Mar 8 31° 51° 16° (1974) 69° (2005) 0.02" NA
Mar 9 31° 52° 0° (1951) 68° (2005) 0.02" NA
Mar 10 31° 52° 1° (1951) 66° (2005) 0.02" NA
Mar 11 31° 53° 12° (1951) 72° (2007) 0.02" NA
Mar 12 32° 53° 12° (1956) 71° (2007) 0.02" NA
Mar 13 32° 53° 13° (1948) 70° (1992) 0.02" NA
Mar 14 32° 54° 14° (1944) 72° (1992) 0.02" NA
Mar 15 32° 54° 19° (1944) 69° (1947) 0.02" NA
Mar 16 32° 54° 19° (1982) 72° (1947) 0.02" NA
Mar 17 33° 55° 15° (1943) 73° (1947) 0.02" NA
Mar 18 33° 55° 10° (1965) 74° (1947) 0.02" NA
Mar 19 33° 56° 10° (1965) 75° (1947) 0.02" NA
Mar 20 33° 56° 18° (1974) 74° (1947) 0.02" NA
Mar 21 33° 56° 21° (1974) 72° (1978) 0.02" NA
Mar 22 34° 57° 19° (1994) 73° (1960) 0.02" NA
Mar 23 34° 57° 17° (1942) 75° (1960) 0.02" NA
Mar 24 34° 57° 9° (1964) 78° (1960) 0.02" NA
Mar 25 34° 57° 11° (1964) 78° (1960) 0.02" NA
Mar 26 34° 58° 19° (1955) 74° (1946) 0.02" NA
Mar 27 34° 58° 15° (1944) 72° (1969) 0.02" NA
Mar 28 35° 58° 16° (1975) 74° (1994) 0.02" NA
Mar 29 35° 59° 18° (1954) 73° (1966) 0.02" NA
Mar 30 35° 59° 15° (1954) 73° (2003) 0.02" NA
Mar 31 35° 59° 22° (1986) 74° (1992) 0.02" NA
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