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
Jan 1 12° 32° -26° (1979) 50° (1997) 0.06" NA
Jan 2 12° 32° -15° (1974) 44° (1972) 0.06" NA
Jan 3 12° 32° -15° (1971) 41° (1997) 0.06" NA
Jan 4 12° 32° -18° (1974) 44° (1996) 0.06" NA
Jan 5 12° 32° -23° (1974) 45° (1983) 0.06" NA
Jan 6 12° 32° -24° (1982) 43° (1978) 0.06" NA
Jan 7 12° 32° -26° (1979) 40° (1978) 0.06" NA
Jan 8 12° 32° -22° (1974) 45° (1990) 0.06" NA
Jan 9 12° 32° -23° (1974) 42° (1990) 0.06" NA
Jan 10 12° 32° -23° (1974) 49° (1983) 0.06" NA
Jan 11 12° 32° -22° (1974) 45° (1981) 0.06" NA
Jan 12 12° 32° -16° (1974) 49° (1980) 0.06" NA
Jan 13 12° 33° -5° (1993) 46° (1980) 0.06" NA
Jan 14 12° 33° -3° (1997) 48° (1980) 0.06" NA
Jan 15 12° 33° -7° (1993) 49° (1974) 0.06" NA
Jan 16 12° 33° -18° (1987) 53° (1974) 0.06" NA
Jan 17 12° 33° 2° (1979) 50° (1974) 0.06" NA
Jan 18 12° 33° -17° (1984) 48° (1971) 0.06" NA
Jan 19 12° 33° -14° (1988) 50° (1975) 0.06" NA
Jan 20 12° 34° -13° (1984) 49° (1981) 0.06" NA
Jan 21 12° 34° -11° (1984) 46° (1970) 0.06" NA
Jan 22 12° 34° -12° (1979) 52° (1981) 0.06" NA
Jan 23 12° 34° -14° (1989) 44° (1982) 0.06" NA
Jan 24 12° 34° -18° (1989) 46° (1992) 0.06" NA
Jan 25 12° 35° -9° (1999) 48° (1971) 0.06" NA
Jan 26 12° 35° -24° (1979) 46° (1971) 0.06" NA
Jan 27 12° 35° -12° (1973) 45° (1983) 0.06" NA
Jan 28 12° 35° -18° (1980) 44° (1971) 0.06" NA
Jan 29 12° 35° -24° (1979) 59° (1971) 0.06" NA
Jan 30 12° 36° -24° (1979) 57° (1971) 0.06" NA
Jan 31 12° 36° -28° (1996) 46° (1976) 0.06" NA
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