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
Apr 1 28° 54° 16° (1980) 76° (1966) 0.03" NA
Apr 2 28° 54° 15° (1976) 74° (1990) 0.03" NA
Apr 3 28° 55° 15° (1970) 79° (1980) 0.02" NA
Apr 4 28° 55° 15° (1975) 73° (1990) 0.02" NA
Apr 5 28° 55° 18° (1975) 73° (1990) 0.02" NA
Apr 6 28° 55° 3° (1975) 77° (1989) 0.02" NA
Apr 7 29° 56° 10° (1970) 77° (1977) 0.02" NA
Apr 8 29° 56° 14° (1988) 73° (1977) 0.02" NA
Apr 9 29° 56° 15° (1972) 73° (1968) 0.02" NA
Apr 10 29° 56° 12° (1971) 76° (1968) 0.02" NA
Apr 11 29° 57° 15° (1970) 76° (1988) 0.02" NA
Apr 12 29° 57° 11° (1968) 80° (1988) 0.02" NA
Apr 13 29° 57° 10° (1968) 79° (1988) 0.02" NA
Apr 14 30° 58° 15° (1977) 80° (1985) 0.02" NA
Apr 15 30° 58° 19° (1968) 80° (1990) 0.02" NA
Apr 16 30° 58° 12° (1970) 80° (1990) 0.02" NA
Apr 17 30° 58° 11° (1964) 78° (1962) 0.02" NA
Apr 18 30° 59° 12° (1968) 80° (1962) 0.02" NA
Apr 19 30° 59° 12° (1966) 72° (1989) 0.02" NA
Apr 20 31° 59° 12° (1985) 76° (1986) 0.02" NA
Apr 21 31° 59° 10° (1963) 79° (1986) 0.02" NA
Apr 22 31° 60° 14° (1968) 77° (1987) 0.02" NA
Apr 23 31° 60° 12° (1964) 79° (1977) 0.03" NA
Apr 24 31° 60° 15° (1968) 83° (1977) 0.03" NA
Apr 25 31° 60° 20° (1968) 80° (1987) 0.03" NA
Apr 26 32° 61° 18° (1970) 78° (1987) 0.03" NA
Apr 27 32° 61° 15° (1966) 81° (1987) 0.03" NA
Apr 28 32° 61° 17° (1975) 79° (1987) 0.03" NA
Apr 29 32° 61° 14° (1962) 80° (1968) 0.03" NA
Apr 30 32° 62° 12° (1972) 80° (1981) 0.03" NA
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