Westlake, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 38° 48° 14° (1980) 65° (2003) 11.04" 0"
February 38° 51° 13° (1989) 75° (1992) 8.58" 0.4"
March 39° 53° 19° (2002) 78° (1987) 8.53" 0"
April 41° 56° 29° (2000) 86° (1999) 5.24" 0"
May 45° 60° 31° (1999) 92° (1992) 3.82" 0"
June 49° 63° 27° (2001) 97° (1995) 2.78" 0"
July 51° 66° 33° (2001) 95° (1972) 0.78" 0"
August 51° 66° 39° (1973) 103° (2002) 0.96" 0"
September 49° 66° 32° (1972) 99° (1973) 1.98" 0"
October 45° 59° 24° (1999) 92° (1991) 5.48" 0"
November 41° 52° 20° (1985) 69° (1976) 10.53" 0"
December 38° 47° 9° (1972) 65° (1999) 11.57" 0.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 39° 48° 30° (1985) 61° (1989) 0.41" 0"
Dec 2 39° 48° 30° (2006) 60° (1989) 0.4" 0"
Dec 3 38° 48° 29° (1992) 61° (2007) 0.39" 0"
Dec 4 38° 48° 28° (1972) 60° (1979) 0.38" 0"
Dec 5 38° 48° 22° (1972) 62° (2007) 0.38" 0"
Dec 6 38° 48° 26° (2009) 60° (2007) 0.37" 0"
Dec 7 38° 48° 15° (1972) 61° (2007) 0.37" 0"
Dec 8 38° 48° 9° (1972) 61° (1975) 0.37" 0"
Dec 9 38° 47° 11° (1972) 60° (1988) 0.36" 0"
Dec 10 38° 47° 14° (1972) 64° (1993) 0.36" 0"
Dec 11 38° 47° 14° (1972) 58° (1995) 0.36" 0"
Dec 12 38° 47° 27° (1985) 62° (1998) 0.35" 0"
Dec 13 37° 47° 25° (1972) 60° (1998) 0.36" 0"
Dec 14 37° 47° 27° (1985) 59° (1998) 0.36" 0"
Dec 15 37° 47° 20° (1972) 63° (1980) 0.37" 0"
Dec 16 37° 47° 20° (2008) 59° (1980) 0.38" 0"
Dec 17 37° 47° 22° (2008) 57° (1979) 0.37" 0"
Dec 18 37° 47° 27° (1984) 62° (2004) 0.37" 0.1"
Dec 19 37° 47° 23° (1984) 59° (1981) 0.37" 0"
Dec 20 37° 47° 15° (1990) 61° (1994) 0.36" 0"
Dec 21 37° 47° 10° (1990) 58° (1972) 0.36" 0"
Dec 22 37° 47° 11° (1983) 64° (1999) 0.36" 0"
Dec 23 37° 47° 15° (1983) 65° (1999) 0.36" 0"
Dec 24 37° 47° 18° (1990) 60° (1985) 0.38" 0"
Dec 25 37° 47° 26° (1987) 60° (1980) 0.37" 0"
Dec 26 37° 47° 26° (1985) 61° (1980) 0.39" 0"
Dec 27 37° 47° 26° (1985) 60° (1980) 0.39" 0"
Dec 28 37° 47° 26° (1978) 58° (1997) 0.38" 0"
Dec 29 38° 47° 19° (1990) 59° (1996) 0.38" 0"
Dec 30 38° 47° 17° (1978) 61° (1998) 0.38" 0"
Dec 31 38° 47° 10° (1978) 60° (1998) 0.38" 0"
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