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
Apr 1 34° 61° 19° (2008) 84° (1966) 0.03" 0"
Apr 2 34° 61° 20° (1953) 82° (1990) 0.02" 0"
Apr 3 34° 62° 21° (1963) 80° (1990) 0.03" 0"
Apr 4 34° 62° 20° (1970) 81° (1960) 0.03" 0"
Apr 5 34° 62° 19° (1997) 82° (1959) 0.02" 0"
Apr 6 34° 62° 17° (1956) 84° (1960) 0.03" 0"
Apr 7 34° 63° 21° (1997) 84° (1977) 0.03" 0"
Apr 8 34° 63° 19° (1973) 82° (1966) 0.03" 0"
Apr 9 35° 63° 20° (1999) 82° (1996) 0.03" 0"
Apr 10 35° 63° 19° (1999) 82° (1968) 0.02" 0"
Apr 11 35° 63° 22° (1954) 80° (1949) 0.03" 0"
Apr 12 35° 64° 22° (1970) 80° (1988) 0.03" 0"
Apr 13 35° 64° 20° (2010) 83° (1988) 0.02" 0"
Apr 14 35° 64° 22° (1995) 87° (1962) 0.03" 0"
Apr 15 36° 64° 22° (2005) 84° (1985) 0.02" 0"
Apr 16 36° 65° 20° (1982) 87° (1994) 0.03" 0"
Apr 17 36° 65° 19° (1964) 87° (1994) 0.02" 0"
Apr 18 36° 65° 27° (1964) 88° (1962) 0.03" 0"
Apr 19 36° 66° 24° (1966) 88° (1962) 0.02" 0"
Apr 20 37° 66° 21° (1961) 87° (1956) 0.02" 0"
Apr 21 37° 66° 21° (2008) 88° (1956) 0.03" 0"
Apr 22 37° 67° 24° (1951) 88° (1977) 0.03" 0"
Apr 23 37° 67° 23° (1960) 91° (1977) 0.02" 0"
Apr 24 38° 67° 22° (1950) 94° (1977) 0.03" 0"
Apr 25 38° 68° 24° (2002) 93° (1977) 0.03" 0"
Apr 26 38° 68° 27° (1969) 88° (1987) 0.02" 0"
Apr 27 38° 68° 27° (1970) 93° (1987) 0.03" 0"
Apr 28 39° 69° 26° (1966) 91° (1987) 0.03" 0"
Apr 29 39° 69° 25° (1962) 90° (1968) 0.03" 0"
Apr 30 39° 69° 24° (1950) 88° (1968) 0.03" 0"
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