Riley, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 36° -30° (1962) 58° (1971) 0.72" 9.4"
February 20° 42° -32° (1989) 62° (1986) 0.64" 4.5"
March 26° 50° -3° (1979) 76° (1966) 0.91" 4.3"
April 30° 58° 3° (1975) 83° (1977) 0.7" 1.7"
May 35° 66° 12° (1964) 92° (1986) 1.15" 0.7"
June 41° 75° 22° (1976) 95° (1990) 0.59" 0.1"
July 45° 84° 26° (1986) 97° (1980) 0.38" 0"
August 44° 84° 23° (1965) 105° (1967) 0.53" 0"
September 36° 75° 11° (1970) 95° (1988) 0.57" 0"
October 29° 63° 5° (1985) 88° (1988) 0.64" 0.9"
November 22° 45° -16° (1985) 69° (1976) 1.23" 6.2"
December 15° 36° -31° (1972) 60° (1972) 0.88" 11.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 13° 34° -23° (1979) 49° (1964) 0.03" NA
Jan 2 13° 34° -9° (1970) 43° (1963) 0.03" NA
Jan 3 13° 35° -14° (1970) 47° (1962) 0.03" NA
Jan 4 13° 35° -12° (1971) 48° (1967) 0.03" NA
Jan 5 13° 35° -12° (1970) 49° (1969) 0.03" NA
Jan 6 13° 35° -16° (1977) 50° (1981) 0.03" NA
Jan 7 13° 35° -21° (1982) 48° (1962) 0.03" NA
Jan 8 13° 35° -12° (1974) 52° (1962) 0.03" NA
Jan 9 13° 35° -19° (1977) 56° (1990) 0.03" NA
Jan 10 13° 35° -12° (1974) 45° (1983) 0.03" NA
Jan 11 13° 35° -11° (1963) 47° (1990) 0.02" NA
Jan 12 13° 35° -18° (1963) 47° (1973) 0.02" NA
Jan 13 13° 35° -8° (1963) 49° (1973) 0.02" NA
Jan 14 14° 35° 0° (1964) 49° (1980) 0.02" NA
Jan 15 14° 35° -4° (1964) 53° (1974) 0.02" NA
Jan 16 14° 35° -16° (1984) 48° (1974) 0.02" NA
Jan 17 14° 35° -13° (1984) 48° (1975) 0.02" NA
Jan 18 14° 36° -17° (1984) 51° (1974) 0.02" NA
Jan 19 14° 36° -8° (1963) 48° (1974) 0.02" NA
Jan 20 14° 36° -9° (1984) 50° (1968) 0.02" NA
Jan 21 14° 36° -29° (1962) 56° (1963) 0.02" NA
Jan 22 14° 36° -30° (1962) 53° (1970) 0.02" NA
Jan 23 15° 36° -30° (1962) 50° (1970) 0.02" NA
Jan 24 15° 37° -15° (1969) 50° (1963) 0.02" NA
Jan 25 15° 37° -6° (1989) 48° (1990) 0.02" NA
Jan 26 15° 37° -7° (1979) 53° (1971) 0.02" NA
Jan 27 15° 37° -13° (1972) 49° (1971) 0.02" NA
Jan 28 16° 37° -12° (1972) 50° (1971) 0.02" NA
Jan 29 16° 37° -17° (1972) 51° (1971) 0.02" NA
Jan 30 16° 38° -23° (1979) 55° (1971) 0.02" NA
Jan 31 16° 38° -21° (1979) 58° (1971) 0.02" NA
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