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
Jul 1 47° 82° 35° (1955) 97° (1942) 0.03" NA
Jul 2 48° 83° 32° (1979) 99° (1942) 0.03" NA
Jul 3 48° 83° 35° (1962) 99° (1942) 0.03" NA
Jul 4 48° 83° 38° (1959) 99° (1968) 0.03" NA
Jul 5 48° 84° 34° (1980) 102° (1975) 0.03" NA
Jul 6 48° 84° 35° (1962) 101° (1968) 0.03" NA
Jul 7 48° 84° 36° (1959) 101° (1968) 0.03" NA
Jul 8 48° 84° 31° (1981) 99° (1968) 0.03" NA
Jul 9 48° 85° 35° (1983) 100° (1952) 0.03" NA
Jul 10 49° 85° 37° (1972) 100° (1975) 0.03" NA
Jul 11 49° 85° 35° (1981) 99° (1975) 0.03" NA
Jul 12 49° 85° 36° (1981) 100° (2002) 0.03" NA
Jul 13 49° 85° 38° (1971) 100° (2002) 0.03" NA
Jul 14 49° 86° 37° (1969) 100° (1938) 0.03" NA
Jul 15 49° 86° 37° (1968) 101° (1938) 0.03" NA
Jul 16 49° 86° 38° (1982) 102° (1941) 0.03" NA
Jul 17 49° 86° 40° (1983) 103° (1941) 0.03" NA
Jul 18 49° 86° 40° (1954) 104° (1960) 0.03" NA
Jul 19 49° 87° 38° (1972) 104° (1959) 0.02" NA
Jul 20 49° 87° 38° (1972) 104° (1979) 0.02" NA
Jul 21 49° 87° 39° (1967) 103° (1979) 0.02" NA
Jul 22 50° 87° 39° (1984) 103° (2006) 0.02" NA
Jul 23 50° 87° 37° (1963) 102° (1994) 0.02" NA
Jul 24 50° 87° 39° (1973) 102° (2006) 0.02" NA
Jul 25 50° 87° 40° (1966) 101° (1933) 0.02" NA
Jul 26 50° 87° 37° (1983) 103° (1939) 0.02" NA
Jul 27 50° 87° 39° (1969) 106° (1939) 0.02" NA
Jul 28 50° 87° 39° (1955) 103° (1934) 0.02" NA
Jul 29 50° 87° 40° (1954) 100° (1934) 0.02" NA
Jul 30 50° 87° 38° (1980) 102° (1971) 0.02" NA
Jul 31 50° 88° 40° (1970) 102° (1971) 0.02" NA
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