Cornelius, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 33° 45° -18° (1950) 67° (2005) 7.19" 0.6"
February 33° 50° -15° (1950) 72° (1986) 5.58" 0.7"
March 37° 55° 13° (1971) 82° (1930) 4.76" 0"
April 40° 61° 25° (1965) 89° (2004) 3.12" 0"
May 45° 68° 28° (1964) 98° (1995) 2.19" 0"
June 50° 73° 32° (1999) 105° (1992) 1.59" 0"
July 54° 81° 34° (1955) 109° (1956) 0.44" 0"
August 54° 82° 36° (1957) 108° (1981) 0.6" 0"
September 48° 76° 30° (1965) 104° (1988) 1.21" 0"
October 41° 63° 21° (2002) 93° (1988) 3.24" 0.2"
November 37° 51° 6° (1985) 90° (1949) 7.64" 0.3"
December 32° 44° -4° (1972) 64° (1980) 8.19" 1.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 45° 71° 29° (1950) 90° (1988) 0.07" 0"
Oct 2 44° 70° 29° (1950) 93° (1988) 0.06" 0"
Oct 3 44° 70° 32° (1931) 92° (1993) 0.07" 0"
Oct 4 44° 69° 34° (1973) 88° (1993) 0.06" 0"
Oct 5 44° 69° 30° (1974) 88° (1952) 0.07" 0"
Oct 6 43° 68° 32° (1955) 90° (1952) 0.07" 0"
Oct 7 43° 68° 30° (1970) 91° (1952) 0.07" 0"
Oct 8 43° 67° 32° (1961) 85° (1971) 0.08" 0"
Oct 9 43° 67° 26° (1985) 86° (1936) 0.07" 0"
Oct 10 42° 66° 30° (1985) 85° (1936) 0.08" 0"
Oct 11 42° 66° 33° (1990) 90° (1991) 0.08" 0"
Oct 12 42° 65° 30° (1949) 84° (1991) 0.09" 0"
Oct 13 42° 65° 29° (1930) 80° (1961) 0.09" 0"
Oct 14 42° 64° 27° (1969) 84° (1961) 0.1" 0"
Oct 15 41° 64° 29° (1992) 84° (1991) 0.1" 0"
Oct 16 41° 63° 28° (1949) 84° (2002) 0.1" 0"
Oct 17 41° 63° 30° (1971) 84° (1974) 0.11" 0.1"
Oct 18 41° 62° 28° (1945) 84° (1974) 0.12" 0"
Oct 19 41° 62° 25° (1949) 83° (1974) 0.12" 0"
Oct 20 41° 62° 24° (1949) 78° (1999) 0.12" 0"
Oct 21 40° 61° 27° (1928) 77° (1999) 0.12" 0"
Oct 22 40° 61° 29° (1935) 82° (2003) 0.13" 0"
Oct 23 40° 60° 28° (1935) 78° (1929) 0.13" 0"
Oct 24 40° 60° 28° (1954) 76° (1992) 0.13" 0"
Oct 25 40° 59° 29° (1954) 78° (1965) 0.14" 0"
Oct 26 40° 59° 26° (1954) 78° (1965) 0.13" 0.1"
Oct 27 40° 58° 26° (1954) 78° (2003) 0.14" 0"
Oct 28 39° 58° 24° (1971) 74° (2003) 0.13" 0"
Oct 29 39° 57° 23° (1971) 74° (2003) 0.15" 0"
Oct 30 39° 57° 24° (1935) 73° (1993) 0.15" 0"
Oct 31 39° 57° 21° (2002) 73° (1962) 0.16" 0"
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