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
Jul 1 55° 89° 40° (1968) 103° (1967) 0.01" NA
Jul 2 56° 90° 42° (1976) 106° (1967) 0.01" NA
Jul 3 56° 90° 39° (1956) 106° (1967) 0.01" NA
Jul 4 56° 91° 42° (1957) 108° (1968) 0.01" NA
Jul 5 56° 91° 34° (1986) 110° (2001) 0.01" NA
Jul 6 56° 91° 44° (1988) 105° (1985) 0.01" NA
Jul 7 57° 92° 43° (1977) 108° (1968) 0.01" NA
Jul 8 57° 92° 37° (1981) 107° (1968) 0.01" NA
Jul 9 57° 92° 42° (1959) 106° (1968) 0.01" NA
Jul 10 57° 92° 48° (1971) 110° (1973) 0.01" NA
Jul 11 57° 93° 44° (1983) 110° (2002) 0.01" NA
Jul 12 57° 93° 43° (1950) 113° (1967) 0.01" NA
Jul 13 58° 93° 41° (1950) 114° (2002) 0.01" NA
Jul 14 58° 93° 44° (1965) 107° (2002) 0.01" NA
Jul 15 58° 94° 47° (1993) 107° (1961) 0.01" NA
Jul 16 58° 94° 44° (1983) 108° (1960) 0.01" NA
Jul 17 58° 94° 44° (1993) 110° (1960) 0.01" NA
Jul 18 58° 94° 43° (1987) 109° (1960) 0.01" NA
Jul 19 58° 94° 43° (1962) 112° (1960) 0.01" NA
Jul 20 58° 94° 44° (1962) 109° (1960) 0.01" NA
Jul 21 58° 94° 45° (1949) 111° (1959) 0.01" NA
Jul 22 58° 94° 40° (1972) 109° (1959) 0.01" NA
Jul 23 58° 94° 44° (1972) 111° (2003) 0.01" NA
Jul 24 58° 95° 45° (1970) 110° (2003) 0.01" NA
Jul 25 58° 95° 49° (1957) 106° (1978) 0.01" NA
Jul 26 58° 95° 46° (1993) 107° (1968) 0.01" NA
Jul 27 58° 95° 47° (1948) 107° (1964) 0.01" NA
Jul 28 58° 95° 43° (1948) 107° (1968) 0.01" NA
Jul 29 58° 95° 44° (1948) 109° (1968) 0.01" NA
Jul 30 58° 94° 45° (1963) 109° (1968) 0.01" NA
Jul 31 58° 94° 45° (1963) 107° (1971) 0" NA
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