Vernonia, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 44° -2° (1979) 66° (1968) 7.47" 4.9"
February 30° 49° -6° (1989) 72° (1968) 5.91" 3.5"
March 33° 53° 13° (1971) 79° (1994) 5.27" 0.5"
April 35° 58° 22° (1978) 87° (1998) 3.73" 0.1"
May 39° 64° 27° (2002) 99° (1983) 2.38" 0"
June 44° 69° 30° (1991) 98° (1978) 1.65" 0"
July 46° 75° 34° (2003) 103° (2006) 0.62" 0"
August 46° 77° 32° (1973) 102° (1981) 0.79" 0"
September 42° 73° 23° (2000) 103° (1988) 2.09" 0"
October 36° 62° 10° (2002) 93° (1987) 3.66" 0"
November 33° 50° 2° (1985) 73° (1980) 7.56" 1.5"
December 30° 44° -12° (1972) 63° (1980) 8.01" 2.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 37° 61° 31° (1969) 88° (1998) 0.1" NA
May 2 37° 61° 31° (1972) 85° (1998) 0.09" NA
May 3 37° 61° 27° (2002) 77° (1972) 0.09" NA
May 4 37° 62° 31° (1981) 90° (1992) 0.09" NA
May 5 38° 62° 27° (2001) 88° (1990) 0.09" NA
May 6 38° 62° 29° (2003) 84° (1992) 0.09" NA
May 7 38° 62° 27° (2002) 91° (1987) 0.09" NA
May 8 38° 62° 28° (2002) 94° (1987) 0.08" NA
May 9 38° 63° 29° (1996) 93° (1987) 0.08" NA
May 10 38° 63° 29° (1999) 83° (1987) 0.08" NA
May 11 38° 63° 31° (1973) 84° (1994) 0.08" NA
May 12 39° 63° 28° (1985) 90° (1997) 0.08" NA
May 13 39° 63° 30° (1985) 81° (1973) 0.08" NA
May 14 39° 64° 29° (2002) 89° (1973) 0.08" NA
May 15 39° 64° 29° (2002) 81° (1995) 0.08" NA
May 16 39° 64° 32° (1986) 85° (1970) 0.07" NA
May 17 39° 64° 31° (2003) 82° (1973) 0.07" NA
May 18 40° 64° 31° (2003) 85° (1993) 0.07" NA
May 19 40° 64° 31° (1982) 80° (1968) 0.07" NA
May 20 40° 65° 31° (1975) 82° (1978) 0.07" NA
May 21 40° 65° 30° (1992) 84° (1978) 0.07" NA
May 22 40° 65° 32° (1992) 93° (2001) 0.07" NA
May 23 40° 65° 31° (1991) 87° (1969) 0.07" NA
May 24 40° 65° 34° (1975) 89° (1999) 0.07" NA
May 25 41° 65° 32° (1975) 92° (1992) 0.07" NA
May 26 41° 66° 31° (1999) 85° (1986) 0.07" NA
May 27 41° 66° 32° (1994) 87° (2005) 0.07" NA
May 28 41° 66° 31° (2001) 93° (2005) 0.07" NA
May 29 41° 66° 33° (1999) 99° (1983) 0.07" NA
May 30 41° 66° 31° (1999) 86° (2007) 0.06" NA
May 31 41° 66° 34° (1974) 90° (1986) 0.06" NA
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