Sisters, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 39° -28° (1962) 65° (1971) 2.32" NA
February 23° 43° -22° (1989) 72° (1995) 1.72" NA
March 26° 50° -1° (1996) 78° (1966) 1.17" NA
April 29° 57° 9° (1968) 87° (1987) 0.89" NA
May 33° 65° 11° (1975) 98° (1986) 0.79" NA
June 38° 74° 20° (1976) 103° (1976) 0.6" NA
July 42° 83° 24° (1977) 109° (1976) 0.45" NA
August 41° 84° 25° (1992) 106° (1972) 0.5" NA
September 35° 75° 15° (1985) 103° (1998) 0.48" NA
October 29° 63° -4° (2002) 92° (1980) 0.98" NA
November 25° 46° -16° (1993) 73° (1988) 2.14" NA
December 20° 39° -28° (1990) 64° (1980) 2.15" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 21° 41° -17° (1979) 60° (1962) 0.07" NA
Feb 2 21° 41° -12° (1972) 63° (1962) 0.07" NA
Feb 3 22° 41° -9° (1989) 63° (2005) 0.07" NA
Feb 4 22° 41° -22° (1985) 65° (1963) 0.07" NA
Feb 5 22° 41° -22° (1989) 61° (2007) 0.07" NA
Feb 6 22° 42° -14° (1989) 59° (1963) 0.07" NA
Feb 7 22° 42° -17° (1989) 60° (1964) 0.07" NA
Feb 8 22° 42° -16° (1989) 59° (1996) 0.07" NA
Feb 9 22° 42° -12° (1989) 64° (1964) 0.07" NA
Feb 10 22° 42° -7° (1982) 61° (1995) 0.07" NA
Feb 11 22° 42° 6° (1982) 61° (1971) 0.06" NA
Feb 12 22° 43° 3° (1959) 67° (1971) 0.06" NA
Feb 13 23° 43° 2° (2001) 61° (1971) 0.06" NA
Feb 14 23° 43° -5° (1995) 63° (1996) 0.06" NA
Feb 15 23° 43° -3° (1990) 66° (1977) 0.06" NA
Feb 16 23° 43° -8° (1993) 63° (1977) 0.06" NA
Feb 17 23° 44° 1° (1993) 64° (1965) 0.06" NA
Feb 18 23° 44° 8° (1993) 68° (1965) 0.06" NA
Feb 19 23° 44° 3° (1990) 68° (1995) 0.06" NA
Feb 20 23° 44° 5° (1990) 69° (1995) 0.06" NA
Feb 21 24° 44° -2° (1975) 72° (1995) 0.06" NA
Feb 22 24° 45° 4° (1969) 65° (1988) 0.06" NA
Feb 23 24° 45° 4° (1974) 67° (1995) 0.05" NA
Feb 24 24° 45° 6° (1982) 72° (1995) 0.05" NA
Feb 25 24° 45° -8° (1993) 70° (1986) 0.05" NA
Feb 26 24° 46° -8° (1993) 61° (1965) 0.05" NA
Feb 27 24° 46° -12° (1960) 61° (1967) 0.05" NA
Feb 28 24° 46° -7° (1960) 68° (1975) 0.05" NA
Feb 29 24° 46° -7° (1960) 69° (1968) 0.05" NA
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