O'Brien, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 33° 51° 11° (1974) 66° (1981) 10.77" 4.1"
February 34° 57° 4° (1989) 76° (1992) 9.34" 2.5"
March 35° 62° 20° (1987) 82° (2005) 7.86" 1.4"
April 37° 68° 21° (1963) 92° (2004) 4.28" 0.8"
May 42° 77° 27° (2002) 99° (2001) 2.42" 0"
June 47° 85° 28° (1966) 109° (1992) 0.94" 0"
July 52° 94° 36° (1976) 112° (2006) 0.28" 0"
August 50° 94° 34° (1969) 110° (2002) 0.39" 0"
September 45° 88° 25° (1970) 110° (1998) 0.8" 0"
October 39° 74° 15° (2002) 100° (2001) 3.53" 0"
November 37° 57° 11° (1978) 78° (1991) 9.59" 0.4"
December 33° 50° -6° (1972) 69° (1979) 13" 2.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 39° 73° 29° (1967) 85° (2004) 0.1" 0"
May 2 39° 73° 30° (1967) 87° (1966) 0.1" 0"
May 3 40° 73° 28° (1965) 92° (1992) 0.1" 0"
May 4 40° 73° 29° (1964) 94° (1990) 0.09" 0"
May 5 40° 74° 28° (1981) 95° (1992) 0.09" 0"
May 6 40° 74° 28° (1968) 96° (1987) 0.09" 0"
May 7 40° 74° 29° (1965) 94° (1987) 0.09" 0"
May 8 41° 75° 27° (2002) 92° (1987) 0.09" 0"
May 9 41° 75° 28° (1985) 90° (1969) 0.08" 0"
May 10 41° 75° 30° (1996) 92° (1969) 0.08" 0"
May 11 41° 75° 30° (1986) 95° (1997) 0.08" 0"
May 12 41° 76° 30° (1985) 91° (1976) 0.08" 0"
May 13 41° 76° 28° (1962) 94° (1973) 0.07" 0"
May 14 42° 76° 32° (1971) 92° (2006) 0.08" 0"
May 15 42° 77° 30° (1968) 103° (2008) 0.07" 0"
May 16 42° 77° 30° (1999) 108° (2008) 0.07" 0"
May 17 42° 77° 30° (1974) 103° (2008) 0.08" 0"
May 18 42° 77° 32° (1976) 101° (2008) 0.07" 0"
May 19 42° 78° 33° (1989) 91° (1963) 0.07" 0"
May 20 43° 78° 33° (1976) 96° (1963) 0.07" 0"
May 21 43° 78° 33° (1997) 95° (2001) 0.07" 0"
May 22 43° 78° 31° (1986) 96° (2001) 0.08" 0"
May 23 43° 78° 33° (1966) 96° (1999) 0.07" 0"
May 24 43° 79° 34° (1965) 94° (1992) 0.07" 0"
May 25 43° 79° 33° (1973) 95° (1970) 0.07" 0"
May 26 43° 79° 34° (1973) 95° (2005) 0.07" 0"
May 27 44° 79° 33° (1977) 97° (1983) 0.07" 0"
May 28 44° 80° 31° (1977) 99° (2009) 0.07" 0"
May 29 44° 80° 30° (1976) 99° (2009) 0.07" 0"
May 30 44° 80° 36° (1971) 97° (1986) 0.07" 0"
May 31 44° 80° 33° (2000) 99° (2001) 0.06" 0"
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