Ontario, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 34° -25° (1962) 64° (1953) 1.29" NA
February 24° 43° -24° (1989) 66° (1963) 0.87" NA
March 31° 55° 10° (2002) 85° (1966) 0.86" NA
April 37° 65° 17° (1956) 94° (1977) 0.68" NA
May 45° 74° 25° (1975) 103° (1986) 0.93" NA
June 51° 84° 31° (1976) 108° (1970) 0.62" NA
July 57° 93° 34° (1986) 114° (2002) 0.3" NA
August 54° 91° 33° (1960) 113° (1961) 0.28" NA
September 45° 81° 24° (1985) 104° (1967) 0.47" NA
October 34° 66° 13° (2002) 94° (1997) 0.55" NA
November 27° 47° -6° (1993) 78° (2006) 1.19" NA
December 20° 36° -23° (1972) 66° (1955) 1.41" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 57° 94° 44° (1975) 108° (1971) 0.01" NA
Aug 2 57° 94° 45° (1963) 110° (1961) 0" NA
Aug 3 57° 94° 37° (1956) 111° (1961) 0" NA
Aug 4 57° 94° 46° (1980) 113° (1961) 0" NA
Aug 5 57° 94° 45° (1980) 110° (1961) 0.01" NA
Aug 6 57° 94° 43° (1950) 107° (1972) 0.01" NA
Aug 7 57° 94° 43° (1969) 108° (1972) 0.01" NA
Aug 8 56° 94° 40° (1995) 110° (1971) 0.01" NA
Aug 9 56° 93° 45° (1967) 110° (1971) 0.01" NA
Aug 10 56° 93° 45° (1985) 109° (1971) 0.01" NA
Aug 11 56° 93° 42° (1970) 107° (1971) 0.01" NA
Aug 12 56° 93° 43° (1985) 109° (1971) 0.01" NA
Aug 13 55° 93° 38° (1995) 107° (1971) 0.01" NA
Aug 14 55° 92° 40° (1978) 107° (1992) 0.01" NA
Aug 15 55° 92° 42° (1974) 108° (1967) 0.01" NA
Aug 16 55° 92° 41° (1970) 108° (1967) 0.01" NA
Aug 17 54° 92° 41° (1976) 108° (1967) 0.01" NA
Aug 18 54° 91° 38° (1978) 105° (1967) 0.01" NA
Aug 19 54° 91° 38° (1995) 109° (1967) 0.01" NA
Aug 20 54° 91° 41° (1964) 107° (1967) 0.01" NA
Aug 21 53° 91° 41° (1974) 104° (1961) 0.01" NA
Aug 22 53° 90° 41° (1966) 105° (1961) 0.01" NA
Aug 23 53° 90° 37° (1960) 106° (1969) 0.01" NA
Aug 24 52° 90° 36° (1992) 105° (1969) 0.01" NA
Aug 25 52° 89° 37° (1960) 104° (1958) 0.01" NA
Aug 26 52° 89° 36° (1993) 101° (1971) 0.01" NA
Aug 27 51° 89° 38° (1993) 101° (1974) 0.01" NA
Aug 28 51° 88° 33° (1960) 102° (1972) 0.01" NA
Aug 29 51° 88° 35° (1960) 105° (1967) 0.01" NA
Aug 30 50° 87° 38° (1951) 103° (1967) 0.01" NA
Aug 31 50° 87° 35° (1965) 102° (1967) 0.01" NA
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