Sumpter, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 33° -28° (1996) 59° (1971) 1.86" NA
February 15° 40° -40° (1989) 64° (1970) 1.38" NA
March 23° 48° -9° (1993) 73° (1978) 1.58" NA
April 29° 56° 6° (1975) 85° (1987) 1.26" NA
May 35° 65° 20° (1999) 91° (1986) 1.74" NA
June 41° 73° 22° (1973) 95° (1992) 1.67" NA
July 45° 82° 27° (1979) 98° (1980) 0.85" NA
August 45° 81° 26° (1992) 98° (1990) 0.95" NA
September 38° 72° 20° (1985) 95° (1998) 0.81" NA
October 30° 60° 5° (1971) 85° (1996) 0.93" NA
November 23° 43° -10° (1985) 65° (1988) 1.86" NA
December 15° 33° -28° (1983) 54° (1995) 1.95" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 42° 77° 30° (1999) 94° (1987) 0.03" NA
Sep 2 42° 77° 31° (1999) 94° (1998) 0.03" NA
Sep 3 41° 77° 29° (1980) 95° (1998) 0.03" NA
Sep 4 41° 76° 27° (1969) 95° (1998) 0.03" NA
Sep 5 41° 76° 29° (1969) 95° (1998) 0.03" NA
Sep 6 41° 76° 32° (1969) 92° (1998) 0.03" NA
Sep 7 40° 75° 25° (1992) 88° (1975) 0.03" NA
Sep 8 40° 75° 28° (1976) 88° (1981) 0.03" NA
Sep 9 40° 75° 28° (1970) 88° (1981) 0.03" NA
Sep 10 40° 74° 29° (1972) 90° (1993) 0.03" NA
Sep 11 39° 74° 23° (1970) 89° (1993) 0.03" NA
Sep 12 39° 74° 21° (1970) 86° (1981) 0.03" NA
Sep 13 39° 73° 20° (1970) 86° (1987) 0.03" NA
Sep 14 39° 73° 25° (1970) 91° (2000) 0.03" NA
Sep 15 38° 72° 27° (1969) 91° (2000) 0.03" NA
Sep 16 38° 72° 26° (1987) 89° (1995) 0.03" NA
Sep 17 38° 72° 24° (1971) 90° (1981) 0.03" NA
Sep 18 38° 71° 24° (1971) 89° (1981) 0.03" NA
Sep 19 37° 71° 28° (1971) 84° (1979) 0.03" NA
Sep 20 37° 71° 23° (1983) 84° (1979) 0.03" NA
Sep 21 37° 70° 25° (1983) 84° (1987) 0.03" NA
Sep 22 36° 70° 26° (1993) 87° (1987) 0.02" NA
Sep 23 36° 70° 23° (2000) 90° (1987) 0.02" NA
Sep 24 36° 70° 22° (1970) 87° (1987) 0.02" NA
Sep 25 36° 69° 22° (1970) 84° (1978) 0.02" NA
Sep 26 35° 69° 23° (1970) 85° (1974) 0.02" NA
Sep 27 35° 69° 21° (1974) 84° (1991) 0.02" NA
Sep 28 35° 68° 23° (1974) 83° (1994) 0.02" NA
Sep 29 34° 68° 20° (1985) 83° (1970) 0.02" NA
Sep 30 34° 68° 25° (1985) 86° (1992) 0.02" NA
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