Twisp, 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
Sep 1 45° 82° 31° (1964) 97° (1998) 0.03" NA
Sep 2 44° 82° 32° (1960) 97° (1938) 0.02" NA
Sep 3 44° 82° 30° (1980) 100° (1988) 0.02" NA
Sep 4 44° 81° 32° (1956) 100° (1988) 0.02" NA
Sep 5 43° 81° 30° (1969) 98° (1988) 0.02" NA
Sep 6 43° 81° 30° (1960) 94° (1944) 0.02" NA
Sep 7 43° 80° 28° (1984) 95° (1944) 0.02" NA
Sep 8 42° 80° 27° (1962) 95° (1944) 0.02" NA
Sep 9 42° 79° 29° (1964) 95° (1940) 0.02" NA
Sep 10 41° 79° 29° (1970) 94° (1987) 0.02" NA
Sep 11 41° 79° 27° (1964) 96° (1944) 0.02" NA
Sep 12 41° 78° 26° (1962) 93° (1943) 0.02" NA
Sep 13 40° 78° 21° (1970) 90° (1945) 0.02" NA
Sep 14 40° 78° 27° (1984) 90° (1938) 0.02" NA
Sep 15 40° 77° 26° (1982) 93° (1938) 0.02" NA
Sep 16 39° 77° 26° (1965) 94° (1981) 0.02" NA
Sep 17 39° 77° 26° (1971) 96° (1981) 0.02" NA
Sep 18 39° 76° 28° (1942) 96° (1981) 0.02" NA
Sep 19 38° 76° 24° (1968) 91° (1979) 0.02" NA
Sep 20 38° 75° 24° (1983) 90° (1979) 0.02" NA
Sep 21 38° 75° 27° (1932) 91° (1939) 0.02" NA
Sep 22 37° 75° 27° (1961) 91° (1987) 0.02" NA
Sep 23 37° 74° 24° (2000) 91° (1987) 0.02" NA
Sep 24 37° 74° 24° (1958) 91° (1990) 0.02" NA
Sep 25 36° 73° 22° (1972) 90° (1974) 0.02" NA
Sep 26 36° 73° 22° (1972) 89° (1974) 0.02" NA
Sep 27 36° 73° 22° (1972) 91° (1994) 0.02" NA
Sep 28 35° 72° 20° (1984) 91° (1994) 0.02" NA
Sep 29 35° 72° 18° (1983) 89° (1963) 0.02" NA
Sep 30 35° 71° 21° (1983) 87° (1970) 0.02" NA
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