Winchester, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 34° 47° 19° (1997) 68° (2005) 5.14" 2.2"
February 36° 52° 18° (1990) 75° (1995) 4.47" 0.2"
March 37° 57° 25° (2002) 80° (2003) 3.97" 0"
April 40° 62° 30° (1999) 90° (2004) 2.94" 0"
May 44° 68° 32° (2002) 98° (2006) 1.93" 0"
June 50° 74° 36° (1999) 102° (2006) 0.98" 0"
July 54° 81° 44° (1999) 105° (2006) 0.4" 0"
August 53° 82° 44° (1992) 105° (1990) 0.65" 0"
September 48° 77° 35° (1999) 100° (1998) 1.14" 0"
October 43° 66° 21° (2002) 95° (1991) 2.41" 0"
November 39° 53° 20° (2002) 75° (1999) 5.89" 0.4"
December 35° 47° 0° (1990) 67° (1995) 5.81" 0.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 36° 48° 29° (1990) 60° (1994) 0.21" NA
Dec 2 36° 48° 29° (1991) 59° (2000) 0.21" NA
Dec 3 36° 48° 32° (1990) 61° (2007) 0.21" NA
Dec 4 36° 48° 27° (1994) 63° (2007) 0.2" NA
Dec 5 36° 48° 27° (1992) 65° (1989) 0.2" NA
Dec 6 35° 48° 26° (1992) 57° (1989) 0.2" NA
Dec 7 35° 48° 32° (1990) 56° (1999) 0.2" NA
Dec 8 35° 47° 31° (1990) 55° (1989) 0.2" NA
Dec 9 35° 47° 32° (1994) 57° (1990) 0.2" NA
Dec 10 35° 47° 31° (1998) 66° (1993) 0.19" NA
Dec 11 35° 47° 30° (1992) 67° (1995) 0.19" NA
Dec 12 35° 47° 28° (1989) 62° (1995) 0.19" NA
Dec 13 35° 47° 29° (1989) 64° (1998) 0.19" NA
Dec 14 35° 47° 29° (1992) 61° (2004) 0.19" NA
Dec 15 34° 47° 30° (1990) 62° (2006) 0.19" NA
Dec 16 34° 47° 29° (1990) 57° (2000) 0.19" NA
Dec 17 34° 46° 30° (1992) 60° (1994) 0.18" NA
Dec 18 34° 46° 30° (1998) 62° (1994) 0.18" NA
Dec 19 34° 46° 26° (1998) 57° (1994) 0.18" NA
Dec 20 34° 46° 14° (1990) 62° (1994) 0.18" NA
Dec 21 34° 46° 1° (1990) 56° (1994) 0.18" NA
Dec 22 34° 46° 0° (1990) 52° (2000) 0.18" NA
Dec 23 34° 46° 7° (1990) 53° (2001) 0.18" NA
Dec 24 34° 46° 8° (1990) 58° (1989) 0.18" NA
Dec 25 34° 46° 13° (1990) 61° (2006) 0.18" NA
Dec 26 34° 46° 12° (1990) 55° (2002) 0.18" NA
Dec 27 34° 46° 28° (1989) 58° (1996) 0.17" NA
Dec 28 34° 46° 30° (1989) 63° (1991) 0.17" NA
Dec 29 34° 46° 16° (1990) 56° (1996) 0.17" NA
Dec 30 34° 46° 15° (1990) 57° (1996) 0.17" NA
Dec 31 34° 46° 19° (1990) 58° (1995) 0.17" NA
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