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
Jun 1 38° 69° 26° (1984) 89° (1986) 0.06" NA
Jun 2 38° 69° 28° (1977) 85° (1986) 0.06" NA
Jun 3 39° 69° 28° (1980) 86° (1986) 0.06" NA
Jun 4 39° 69° 26° (1991) 90° (1969) 0.06" NA
Jun 5 39° 70° 23° (1980) 86° (1977) 0.06" NA
Jun 6 39° 70° 31° (1982) 92° (1977) 0.06" NA
Jun 7 39° 70° 27° (1999) 85° (1970) 0.06" NA
Jun 8 39° 70° 29° (1975) 88° (1996) 0.06" NA
Jun 9 40° 71° 28° (1999) 86° (1996) 0.06" NA
Jun 10 40° 71° 22° (1973) 85° (1991) 0.06" NA
Jun 11 40° 71° 30° (1970) 87° (1979) 0.06" NA
Jun 12 40° 71° 31° (1991) 89° (1974) 0.06" NA
Jun 13 40° 72° 29° (1991) 90° (1987) 0.06" NA
Jun 14 40° 72° 30° (1979) 91° (1974) 0.06" NA
Jun 15 41° 72° 30° (1978) 94° (1974) 0.06" NA
Jun 16 41° 73° 30° (1978) 90° (1974) 0.06" NA
Jun 17 41° 73° 29° (1991) 91° (1988) 0.06" NA
Jun 18 41° 73° 27° (1973) 92° (1974) 0.06" NA
Jun 19 41° 74° 28° (1996) 93° (1988) 0.06" NA
Jun 20 41° 74° 31° (1979) 91° (1974) 0.05" NA
Jun 21 41° 74° 32° (1989) 93° (1970) 0.05" NA
Jun 22 42° 75° 30° (1997) 94° (1970) 0.05" NA
Jun 23 42° 75° 30° (1993) 92° (1992) 0.05" NA
Jun 24 42° 75° 28° (1985) 94° (1970) 0.05" NA
Jun 25 42° 76° 32° (1976) 95° (1992) 0.05" NA
Jun 26 42° 76° 28° (1976) 93° (1987) 0.05" NA
Jun 27 42° 76° 29° (1975) 89° (1970) 0.05" NA
Jun 28 43° 77° 29° (1975) 91° (1979) 0.05" NA
Jun 29 43° 77° 30° (1975) 90° (1994) 0.04" NA
Jun 30 43° 77° 33° (1969) 92° (1976) 0.04" NA
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