Winthrop, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -32° (1950) 57° (1989) 2" NA
February 18° 38° -28° (1950) 62° (1991) 1.5" NA
March 25° 50° -10° (1955) 77° (1994) 1.05" NA
April 32° 62° 13° (1936) 89° (1977) 0.77" NA
May 39° 71° 20° (1954) 100° (1986) 1.02" NA
June 45° 78° 28° (1976) 100° (1992) 1.06" NA
July 49° 86° 31° (1981) 106° (1939) 0.8" NA
August 48° 86° 30° (1980) 105° (1961) 0.72" NA
September 40° 77° 18° (1983) 100° (1988) 0.61" NA
October 31° 62° 5° (1935) 87° (1958) 0.93" NA
November 24° 41° -17° (1958) 68° (1989) 1.99" NA
December 14° 29° -48° (1968) 54° (1999) 2.6" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 50° 88° 38° (1964) 102° (1949) 0.02" NA
Aug 2 50° 88° 37° (1964) 100° (1977) 0.02" NA
Aug 3 50° 88° 40° (2002) 102° (1961) 0.03" NA
Aug 4 50° 87° 38° (1956) 105° (1961) 0.03" NA
Aug 5 50° 87° 37° (1948) 102° (1961) 0.03" NA
Aug 6 50° 87° 36° (1964) 99° (1972) 0.03" NA
Aug 7 50° 87° 40° (1939) 100° (1972) 0.03" NA
Aug 8 50° 87° 39° (1938) 101° (1971) 0.03" NA
Aug 9 50° 87° 39° (1975) 101° (1971) 0.03" NA
Aug 10 50° 87° 39° (1964) 103° (1971) 0.03" NA
Aug 11 50° 87° 38° (1964) 103° (1971) 0.03" NA
Aug 12 50° 87° 41° (1968) 102° (1971) 0.03" NA
Aug 13 49° 87° 38° (1974) 102° (1977) 0.02" NA
Aug 14 49° 87° 37° (1949) 100° (1967) 0.02" NA
Aug 15 49° 87° 35° (1935) 99° (1933) 0.02" NA
Aug 16 49° 86° 36° (1935) 101° (1967) 0.02" NA
Aug 17 49° 86° 35° (1969) 104° (1967) 0.02" NA
Aug 18 49° 86° 36° (1973) 104° (1967) 0.02" NA
Aug 19 48° 86° 32° (1973) 101° (1967) 0.02" NA
Aug 20 48° 86° 35° (1945) 101° (1977) 0.02" NA
Aug 21 48° 85° 34° (1968) 100° (1977) 0.02" NA
Aug 22 48° 85° 34° (1960) 100° (1970) 0.02" NA
Aug 23 48° 85° 35° (1992) 101° (1970) 0.02" NA
Aug 24 47° 85° 35° (1959) 100° (1966) 0.02" NA
Aug 25 47° 84° 34° (1980) 101° (1966) 0.02" NA
Aug 26 47° 84° 35° (1980) 100° (1966) 0.02" NA
Aug 27 46° 84° 35° (1960) 98° (1986) 0.02" NA
Aug 28 46° 84° 33° (1980) 98° (1986) 0.02" NA
Aug 29 46° 83° 30° (1980) 96° (1998) 0.02" NA
Aug 30 45° 83° 32° (1965) 96° (1967) 0.02" NA
Aug 31 45° 83° 33° (1965) 97° (1967) 0.02" NA
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