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
Apr 1 29° 57° 14° (1936) 77° (1992) 0.03" NA
Apr 2 29° 57° 13° (1936) 80° (1987) 0.03" NA
Apr 3 29° 58° 13° (1936) 74° (1977) 0.03" NA
Apr 4 29° 58° 19° (1935) 77° (1977) 0.03" NA
Apr 5 29° 59° 17° (1936) 76° (1977) 0.03" NA
Apr 6 29° 59° 19° (1956) 80° (1960) 0.03" NA
Apr 7 30° 59° 20° (1981) 79° (1977) 0.02" NA
Apr 8 30° 60° 19° (1948) 78° (1977) 0.02" NA
Apr 9 30° 60° 19° (1956) 76° (1996) 0.02" NA
Apr 10 30° 60° 20° (1972) 76° (1942) 0.02" NA
Apr 11 30° 61° 19° (1975) 80° (1943) 0.02" NA
Apr 12 31° 61° 19° (1975) 84° (1943) 0.02" NA
Apr 13 31° 62° 18° (1968) 84° (1943) 0.02" NA
Apr 14 31° 62° 19° (1981) 83° (1988) 0.02" NA
Apr 15 31° 62° 21° (1967) 83° (1988) 0.02" NA
Apr 16 31° 63° 22° (1968) 84° (1936) 0.02" NA
Apr 17 32° 63° 20° (1964) 86° (1936) 0.02" NA
Apr 18 32° 63° 20° (1931) 84° (1936) 0.02" NA
Apr 19 32° 64° 16° (1966) 83° (1934) 0.02" NA
Apr 20 32° 64° 18° (1961) 87° (1934) 0.03" NA
Apr 21 33° 64° 19° (1968) 89° (1934) 0.03" NA
Apr 22 33° 65° 20° (1968) 89° (1934) 0.03" NA
Apr 23 33° 65° 22° (1972) 84° (1977) 0.03" NA
Apr 24 33° 65° 19° (1986) 89° (1977) 0.03" NA
Apr 25 34° 66° 20° (1982) 88° (1977) 0.03" NA
Apr 26 34° 66° 21° (1954) 83° (2005) 0.03" NA
Apr 27 34° 66° 23° (1984) 87° (1987) 0.03" NA
Apr 28 34° 66° 24° (1966) 87° (1987) 0.03" NA
Apr 29 35° 67° 24° (1952) 82° (1957) 0.03" NA
Apr 30 35° 67° 22° (1972) 82° (1957) 0.03" NA
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