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
Aug 1 59° 96° 44° (1975) 108° (1971) 0" 0"
Aug 2 58° 95° 45° (1963) 110° (1961) 0.01" 0"
Aug 3 58° 95° 37° (1956) 111° (1961) 0" 0"
Aug 4 58° 95° 46° (1980) 113° (1961) 0.01" 0"
Aug 5 58° 95° 45° (1980) 110° (1961) 0" 0"
Aug 6 58° 95° 43° (1950) 107° (1972) 0.01" 0"
Aug 7 57° 95° 43° (1969) 108° (1972) 0" 0"
Aug 8 57° 94° 40° (1995) 110° (1971) 0.01" 0"
Aug 9 57° 94° 45° (1967) 110° (1971) 0" 0"
Aug 10 57° 94° 45° (1985) 109° (1971) 0.01" 0"
Aug 11 56° 94° 42° (1970) 107° (1971) 0.01" 0"
Aug 12 56° 93° 43° (1985) 109° (1971) 0" 0"
Aug 13 56° 93° 38° (1995) 107° (1971) 0.01" 0"
Aug 14 56° 93° 40° (1978) 107° (1992) 0" 0"
Aug 15 55° 93° 42° (1974) 108° (1967) 0.01" 0"
Aug 16 55° 92° 41° (1970) 108° (1967) 0" 0"
Aug 17 55° 92° 41° (1976) 108° (1967) 0.01" 0"
Aug 18 54° 92° 38° (1978) 105° (1967) 0" 0"
Aug 19 54° 91° 38° (1995) 109° (1967) 0.01" 0"
Aug 20 54° 91° 41° (1964) 107° (1967) 0" 0"
Aug 21 54° 91° 41° (1974) 104° (1961) 0.01" 0"
Aug 22 53° 90° 41° (1966) 105° (1961) 0.01" 0"
Aug 23 53° 90° 37° (1960) 106° (1969) 0" 0"
Aug 24 53° 90° 36° (1992) 105° (1969) 0.01" 0"
Aug 25 52° 89° 37° (1960) 104° (1958) 0.01" 0"
Aug 26 52° 89° 36° (1993) 101° (1971) 0" 0"
Aug 27 52° 89° 38° (1993) 101° (1974) 0.01" 0"
Aug 28 51° 88° 33° (1960) 102° (1972) 0.01" 0"
Aug 29 51° 88° 35° (1960) 105° (1967) 0" 0"
Aug 30 51° 88° 38° (1951) 103° (1967) 0.01" 0"
Aug 31 50° 87° 35° (1965) 102° (1967) 0.01" 0"
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