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
Jun 1 38° 70° 26° (1981) 90° (1986) 0.03" NA
Jun 2 38° 71° 27° (1976) 88° (1989) 0.03" NA
Jun 3 39° 71° 27° (1967) 88° (1970) 0.03" NA
Jun 4 39° 71° 25° (1962) 90° (1969) 0.03" NA
Jun 5 39° 71° 28° (1962) 91° (1977) 0.03" NA
Jun 6 39° 72° 28° (1982) 91° (1977) 0.03" NA
Jun 7 39° 72° 27° (1962) 88° (1977) 0.03" NA
Jun 8 39° 72° 24° (1974) 85° (1978) 0.02" NA
Jun 9 39° 73° 30° (1982) 85° (1990) 0.02" NA
Jun 10 40° 73° 30° (1982) 86° (1965) 0.02" NA
Jun 11 40° 73° 27° (1972) 90° (1974) 0.02" NA
Jun 12 40° 74° 29° (1968) 90° (1974) 0.02" NA
Jun 13 40° 74° 26° (1976) 90° (1974) 0.02" NA
Jun 14 40° 74° 30° (1981) 91° (1974) 0.02" NA
Jun 15 40° 74° 28° (1978) 88° (1963) 0.02" NA
Jun 16 41° 75° 30° (1978) 89° (1968) 0.02" NA
Jun 17 41° 75° 29° (1981) 94° (1974) 0.02" NA
Jun 18 41° 75° 22° (1973) 94° (1974) 0.02" NA
Jun 19 41° 76° 29° (1986) 93° (1985) 0.02" NA
Jun 20 41° 76° 34° (1964) 92° (1970) 0.02" NA
Jun 21 42° 77° 30° (1989) 91° (1973) 0.02" NA
Jun 22 42° 77° 26° (1963) 93° (1990) 0.02" NA
Jun 23 42° 77° 31° (1966) 91° (1970) 0.01" NA
Jun 24 42° 78° 29° (1966) 92° (1970) 0.01" NA
Jun 25 42° 78° 34° (1983) 95° (1990) 0.01" NA
Jun 26 42° 78° 22° (1976) 95° (1968) 0.01" NA
Jun 27 43° 79° 26° (1965) 91° (1987) 0.01" NA
Jun 28 43° 79° 31° (1964) 91° (1976) 0.01" NA
Jun 29 43° 79° 28° (1975) 91° (1990) 0.01" NA
Jun 30 43° 80° 28° (1970) 91° (1974) 0.01" NA
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