Ontario, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 35° -25° (1962) 64° (1953) 1.18" 3.4"
February 23° 44° -24° (1989) 66° (1963) 0.83" 1.2"
March 30° 56° 10° (2002) 85° (1966) 1.01" 0.3"
April 36° 65° 17° (1956) 94° (1977) 0.8" 0"
May 44° 75° 25° (1975) 103° (1986) 1.28" 0"
June 52° 84° 31° (1976) 108° (1970) 0.69" 0"
July 58° 94° 34° (1986) 114° (2002) 0.3" 0"
August 55° 92° 33° (1960) 113° (1961) 0.18" 0"
September 45° 81° 24° (1985) 104° (1967) 0.41" 0"
October 34° 66° 13° (2002) 94° (1997) 0.63" 0"
November 26° 48° -6° (1993) 78° (2006) 1.1" 0.3"
December 20° 36° -23° (1972) 66° (1955) 1.68" 5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 39° 75° 22° (1950) 92° (2010) 0.02" 0"
Oct 2 39° 74° 26° (1954) 94° (1997) 0.01" 0"
Oct 3 38° 74° 26° (1953) 93° (1963) 0.02" 0"
Oct 4 38° 73° 22° (1973) 94° (2010) 0.01" 0"
Oct 5 38° 73° 26° (1969) 86° (1958) 0.02" 0"
Oct 6 37° 72° 20° (1974) 85° (1979) 0.01" 0"
Oct 7 37° 71° 21° (1974) 90° (1971) 0.01" 0"
Oct 8 37° 71° 21° (1974) 86° (1979) 0.02" 0"
Oct 9 36° 70° 20° (1985) 89° (1988) 0.01" 0"
Oct 10 36° 70° 18° (1985) 89° (1988) 0.02" 0"
Oct 11 36° 69° 24° (1966) 84° (1971) 0.01" 0"
Oct 12 35° 69° 23° (2002) 84° (1958) 0.02" 0"
Oct 13 35° 68° 19° (1969) 82° (1950) 0.02" 0"
Oct 14 35° 68° 17° (1969) 85° (1958) 0.01" 0"
Oct 15 34° 67° 18° (1969) 84° (1958) 0.02" 0"
Oct 16 34° 66° 19° (1970) 83° (1991) 0.02" 0"
Oct 17 34° 66° 18° (1970) 80° (1973) 0.02" 0"
Oct 18 34° 65° 20° (1948) 80° (1958) 0.02" 0"
Oct 19 33° 65° 18° (1976) 82° (2003) 0.02" 0"
Oct 20 33° 64° 17° (1976) 76° (2003) 0.02" 0"
Oct 21 33° 63° 15° (1996) 79° (2003) 0.03" 0"
Oct 22 32° 63° 17° (1996) 79° (2003) 0.02" 0"
Oct 23 32° 62° 18° (1984) 77° (2003) 0.02" 0"
Oct 24 32° 62° 22° (1949) 76° (1959) 0.03" 0"
Oct 25 32° 61° 21° (1955) 80° (1977) 0.03" 0"
Oct 26 31° 60° 17° (1978) 77° (1988) 0.02" 0"
Oct 27 31° 60° 19° (1954) 74° (1958) 0.03" 0"
Oct 28 31° 59° 20° (1954) 73° (1962) 0.03" 0"
Oct 29 31° 59° 20° (1971) 77° (2003) 0.03" 0"
Oct 30 30° 58° 19° (1960) 75° (1990) 0.03" 0"
Oct 31 30° 57° 13° (2002) 72° (1966) 0.03" 0"
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