Grand Ronde, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 32° 46° 6° (1979) 64° (1971) 10.88" 4.5"
February 34° 51° 7° (1989) 70° (1992) 9.58" 2.3"
March 36° 55° 19° (1971) 78° (1994) 7.69" 0.6"
April 38° 60° 25° (1968) 85° (1998) 4.48" 0.2"
May 42° 67° 26° (1964) 98° (1983) 2.53" 0"
June 47° 73° 32° (1976) 101° (1992) 1.43" 0"
July 50° 80° 35° (1970) 104° (1998) 0.51" 0"
August 50° 81° 35° (1973) 104° (1977) 0.74" 0"
September 47° 76° 25° (1961) 105° (1988) 1.73" 0"
October 41° 65° 24° (1970) 92° (1988) 4.25" 0"
November 36° 52° 10° (1985) 72° (1962) 10.93" 0.4"
December 33° 46° 2° (1972) 63° (1980) 12.51" 4.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 64° 30° (1988) 80° (1976) 0.11" NA
May 2 40° 64° 26° (1964) 85° (1998) 0.11" NA
May 3 40° 64° 30° (1964) 77° (1966) 0.1" NA
May 4 40° 64° 32° (1981) 87° (1992) 0.1" NA
May 5 40° 65° 31° (1978) 88° (1992) 0.1" NA
May 6 40° 65° 28° (1965) 88° (1992) 0.1" NA
May 7 41° 65° 30° (1965) 92° (1987) 0.1" NA
May 8 41° 65° 30° (1965) 93° (1987) 0.09" NA
May 9 41° 65° 31° (1971) 93° (1987) 0.09" NA
May 10 41° 66° 33° (1967) 82° (1976) 0.09" NA
May 11 41° 66° 29° (1985) 84° (1987) 0.09" NA
May 12 41° 66° 30° (1985) 91° (1997) 0.09" NA
May 13 42° 66° 32° (1964) 82° (1969) 0.08" NA
May 14 42° 66° 31° (1965) 90° (1973) 0.08" NA
May 15 42° 67° 32° (1974) 83° (1995) 0.08" NA
May 16 42° 67° 35° (1966) 85° (1970) 0.08" NA
May 17 42° 67° 32° (1966) 85° (1967) 0.08" NA
May 18 42° 67° 33° (1976) 85° (1993) 0.08" NA
May 19 42° 67° 33° (1970) 85° (1963) 0.08" NA
May 20 43° 68° 30° (1975) 88° (1961) 0.07" NA
May 21 43° 68° 33° (1975) 94° (1963) 0.07" NA
May 22 43° 68° 34° (1964) 86° (1988) 0.07" NA
May 23 43° 68° 34° (1967) 89° (1999) 0.07" NA
May 24 43° 68° 32° (1964) 89° (1999) 0.07" NA
May 25 43° 68° 34° (1967) 89° (1992) 0.07" NA
May 26 44° 69° 31° (1973) 85° (1966) 0.07" NA
May 27 44° 69° 28° (1966) 82° (1972) 0.07" NA
May 28 44° 69° 32° (1966) 87° (1983) 0.06" NA
May 29 44° 69° 33° (1976) 98° (1983) 0.06" NA
May 30 44° 69° 32° (1966) 87° (1986) 0.06" NA
May 31 44° 69° 34° (1973) 92° (1986) 0.06" NA
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