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
Jun 1 49° 79° 34° (1984) 99° (1986) 0.04" 0"
Jun 2 49° 79° 33° (1954) 98° (1986) 0.03" 0"
Jun 3 49° 80° 33° (1951) 101° (1970) 0.03" 0"
Jun 4 50° 80° 34° (1962) 102° (1970) 0.04" 0"
Jun 5 50° 80° 32° (1956) 100° (1957) 0.03" 0"
Jun 6 50° 80° 34° (1995) 103° (1977) 0.03" 0"
Jun 7 50° 81° 37° (1962) 100° (1977) 0.03" 0"
Jun 8 50° 81° 35° (1974) 97° (1996) 0.03" 0"
Jun 9 51° 81° 38° (2005) 98° (1952) 0.03" 0"
Jun 10 51° 82° 39° (1999) 99° (1965) 0.03" 0"
Jun 11 51° 82° 41° (2008) 103° (1959) 0.02" 0"
Jun 12 51° 82° 36° (1993) 102° (1959) 0.03" 0"
Jun 13 52° 83° 36° (1952) 101° (1987) 0.02" 0"
Jun 14 52° 83° 34° (1976) 105° (1974) 0.02" 0"
Jun 15 52° 83° 38° (1976) 104° (1974) 0.02" 0"
Jun 16 52° 84° 38° (1957) 106° (1961) 0.02" 0"
Jun 17 53° 84° 38° (1994) 108° (1961) 0.03" 0"
Jun 18 53° 84° 31° (1973) 106° (1974) 0.02" 0"
Jun 19 53° 85° 35° (1973) 106° (1961) 0.01" 0"
Jun 20 53° 85° 40° (1960) 107° (1959) 0.02" 0"
Jun 21 54° 85° 40° (1953) 106° (1988) 0.02" 0"
Jun 22 54° 86° 39° (1956) 106° (1970) 0.02" 0"
Jun 23 54° 86° 37° (1993) 108° (1970) 0.01" 0"
Jun 24 54° 87° 39° (1983) 107° (1970) 0.02" 0"
Jun 25 55° 87° 33° (1966) 107° (1970) 0.02" 0"
Jun 26 55° 87° 31° (1976) 106° (1970) 0.01" 0"
Jun 27 55° 88° 36° (1976) 105° (1973) 0.02" 0"
Jun 28 55° 88° 37° (1969) 104° (1973) 0.01" 0"
Jun 29 56° 89° 37° (1971) 104° (1976) 0.02" 0"
Jun 30 56° 89° 36° (1949) 103° (1967) 0.01" 0"
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