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
Jul 1 56° 89° 40° (1968) 103° (1967) 0.02" 0"
Jul 2 56° 90° 42° (1976) 106° (1967) 0.01" 0"
Jul 3 57° 90° 39° (1956) 106° (1967) 0.02" 0"
Jul 4 57° 91° 42° (1957) 108° (1968) 0.01" 0"
Jul 5 57° 91° 34° (1986) 110° (2001) 0.01" 0"
Jul 6 57° 91° 44° (1988) 105° (1985) 0.02" 0"
Jul 7 58° 92° 43° (1977) 108° (1968) 0.01" 0"
Jul 8 58° 92° 37° (1981) 107° (1968) 0.01" 0"
Jul 9 58° 92° 42° (1959) 106° (1968) 0.02" 0"
Jul 10 58° 93° 48° (1971) 110° (1973) 0.01" 0"
Jul 11 58° 93° 44° (1983) 110° (2002) 0.01" 0"
Jul 12 58° 93° 43° (1950) 113° (1967) 0.01" 0"
Jul 13 59° 94° 41° (1950) 114° (2002) 0.01" 0"
Jul 14 59° 94° 44° (1965) 107° (2002) 0.01" 0"
Jul 15 59° 94° 42° (2009) 107° (1961) 0.01" 0"
Jul 16 59° 94° 44° (1983) 108° (1960) 0.01" 0"
Jul 17 59° 95° 44° (1993) 110° (1960) 0.01" 0"
Jul 18 59° 95° 43° (1987) 109° (1960) 0.01" 0"
Jul 19 59° 95° 43° (1962) 112° (1960) 0.01" 0"
Jul 20 59° 95° 44° (1962) 109° (1960) 0.01" 0"
Jul 21 59° 95° 45° (1949) 111° (1959) 0.01" 0"
Jul 22 59° 96° 40° (1972) 109° (1959) 0" 0"
Jul 23 59° 96° 44° (1972) 111° (2003) 0.01" 0"
Jul 24 59° 96° 45° (1970) 110° (2003) 0" 0"
Jul 25 59° 96° 49° (1957) 106° (1978) 0.01" 0"
Jul 26 59° 96° 46° (1993) 107° (1968) 0" 0"
Jul 27 59° 96° 47° (1948) 107° (1964) 0.01" 0"
Jul 28 59° 96° 43° (1948) 107° (1968) 0" 0"
Jul 29 59° 96° 44° (1948) 109° (1968) 0.01" 0"
Jul 30 59° 96° 45° (1963) 109° (1968) 0" 0"
Jul 31 59° 96° 45° (1963) 107° (1971) 0.01" 0"
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