Winchester, Idaho
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 35° -26° (1979) 58° (1971) 1.94" 21"
February 22° 40° -28° (1989) 67° (1988) 1.69" 14.2"
March 26° 45° -10° (1976) 70° (2004) 2.46" 17.6"
April 31° 52° 7° (1968) 84° (1987) 2.76" 11.7"
May 37° 60° 19° (1973) 93° (2006) 3.18" 2.6"
June 42° 67° 23° (1994) 90° (1973) 2.18" 0"
July 46° 76° 28° (1994) 96° (2006) 1.45" 0"
August 46° 78° 25° (1980) 98° (1969) 1.24" 0"
September 39° 69° 17° (1985) 95° (1988) 1.44" 0.3"
October 33° 57° -10° (1971) 88° (1987) 1.87" 2.5"
November 26° 41° -21° (1985) 67° (1999) 2.51" 12.7"
December 20° 35° -40° (1968) 60° (1980) 1.99" 18.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 21° 37° -15° (1996) 54° (1971) 0.06" NA
Feb 2 21° 38° -17° (1972) 54° (1992) 0.06" NA
Feb 3 21° 38° -23° (1989) 51° (1995) 0.06" NA
Feb 4 21° 38° -28° (1989) 53° (1995) 0.06" NA
Feb 5 21° 38° -24° (1982) 54° (1995) 0.06" NA
Feb 6 21° 38° -16° (1989) 57° (1987) 0.06" NA
Feb 7 22° 38° -13° (1989) 57° (1987) 0.06" NA
Feb 8 22° 39° -9° (1989) 57° (1987) 0.06" NA
Feb 9 22° 39° -4° (1989) 55° (1970) 0.06" NA
Feb 10 22° 39° -15° (1981) 55° (1991) 0.06" NA
Feb 11 22° 39° 5° (1981) 54° (1991) 0.06" NA
Feb 12 22° 39° 7° (2002) 55° (1971) 0.06" NA
Feb 13 22° 40° -2° (1985) 55° (1996) 0.06" NA
Feb 14 22° 40° 0° (1990) 54° (1996) 0.06" NA
Feb 15 22° 40° -4° (1989) 58° (1977) 0.06" NA
Feb 16 23° 40° -5° (1993) 55° (1996) 0.06" NA
Feb 17 23° 40° -8° (1993) 53° (1994) 0.06" NA
Feb 18 23° 40° -6° (2006) 57° (1977) 0.06" NA
Feb 19 23° 40° -4° (2006) 60° (1977) 0.06" NA
Feb 20 23° 41° 1° (1986) 63° (1995) 0.06" NA
Feb 21 23° 41° -2° (1975) 60° (1995) 0.06" NA
Feb 22 23° 41° 2° (1975) 54° (1995) 0.06" NA
Feb 23 23° 41° 2° (1974) 62° (1995) 0.06" NA
Feb 24 23° 41° -4° (2003) 63° (1986) 0.06" NA
Feb 25 24° 41° -2° (1993) 59° (1995) 0.06" NA
Feb 26 24° 42° -1° (1993) 62° (1988) 0.06" NA
Feb 27 24° 42° -7° (1996) 67° (1988) 0.06" NA
Feb 28 24° 42° 4° (1996) 67° (1986) 0.07" NA
Feb 29 24° 42° 4° (1996) 60° (1968) 0.07" NA
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