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
Feb 1 21° 38° -11° (1950) 63° (2003) 0.04" NA
Feb 2 21° 38° -19° (1950) 58° (1995) 0.04" NA
Feb 3 21° 38° -18° (1950) 53° (1968) 0.04" NA
Feb 4 22° 39° -24° (1989) 51° (1968) 0.03" NA
Feb 5 22° 39° -21° (1989) 62° (1963) 0.03" NA
Feb 6 22° 39° -23° (1989) 58° (1963) 0.03" NA
Feb 7 22° 40° -22° (1989) 58° (1963) 0.03" NA
Feb 8 23° 40° -22° (1989) 55° (1963) 0.03" NA
Feb 9 23° 41° -20° (1989) 57° (1970) 0.03" NA
Feb 10 23° 41° -5° (1982) 66° (1961) 0.03" NA
Feb 11 23° 41° 2° (1982) 63° (1971) 0.03" NA
Feb 12 24° 42° 2° (1989) 59° (1954) 0.03" NA
Feb 13 24° 42° 2° (1989) 56° (1954) 0.03" NA
Feb 14 24° 43° -3° (1989) 59° (1981) 0.03" NA
Feb 15 24° 43° 3° (1989) 57° (1963) 0.03" NA
Feb 16 24° 43° 2° (1956) 59° (1997) 0.03" NA
Feb 17 25° 44° 6° (1993) 59° (1965) 0.03" NA
Feb 18 25° 44° -1° (1952) 61° (1965) 0.03" NA
Feb 19 25° 45° 8° (2006) 62° (1958) 0.03" NA
Feb 20 25° 45° 8° (2006) 64° (1968) 0.03" NA
Feb 21 26° 46° 6° (1952) 62° (1991) 0.03" NA
Feb 22 26° 46° -1° (1952) 64° (1991) 0.03" NA
Feb 23 26° 47° 17° (1964) 66° (1958) 0.03" NA
Feb 24 26° 47° 8° (1952) 66° (1963) 0.03" NA
Feb 25 27° 48° 1° (1993) 66° (1963) 0.03" NA
Feb 26 27° 48° -3° (1993) 64° (1976) 0.03" NA
Feb 27 27° 48° 0° (1993) 65° (1968) 0.03" NA
Feb 28 27° 49° 6° (1993) 65° (1959) 0.03" NA
Feb 29 27° 49° 12° (1960) 63° (1968) 0.03" NA
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