Grass Valley, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 38° -22° (1957) 63° (2003) 1.57" 5.7"
February 28° 44° -23° (1950) 68° (1932) 1.14" 2.9"
March 32° 51° 3° (1993) 75° (1939) 1.09" 1.2"
April 36° 58° 19° (1966) 87° (1977) 0.88" 0.2"
May 41° 66° 20° (1954) 100° (1986) 0.89" 0"
June 47° 73° 27° (1976) 102° (1992) 0.62" 0"
July 53° 82° 34° (1954) 111° (1939) 0.31" 0"
August 53° 82° 31° (1980) 106° (1998) 0.38" 0"
September 45° 74° 23° (1980) 100° (1998) 0.52" 0"
October 37° 62° 7° (2002) 88° (1991) 0.85" 0.2"
November 31° 47° -15° (1985) 71° (1999) 1.64" 2.6"
December 25° 38° -16° (1990) 63° (1989) 1.54" 6.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 54° 84° 42° (1987) 103° (1971) 0.01" NA
Aug 2 54° 83° 40° (1964) 99° (1961) 0.01" NA
Aug 3 54° 83° 41° (2002) 102° (1939) 0.01" NA
Aug 4 54° 83° 41° (1950) 104° (1961) 0.01" NA
Aug 5 54° 83° 40° (1964) 106° (1998) 0.01" NA
Aug 6 54° 83° 35° (1980) 101° (1990) 0.01" NA
Aug 7 54° 83° 38° (1946) 103° (1972) 0.01" NA
Aug 8 54° 83° 40° (1938) 105° (1972) 0.01" NA
Aug 9 54° 83° 41° (1955) 100° (1981) 0.01" NA
Aug 10 54° 83° 41° (1964) 101° (1971) 0.01" NA
Aug 11 54° 83° 44° (2007) 103° (1971) 0.01" NA
Aug 12 54° 83° 41° (2000) 102° (1971) 0.01" NA
Aug 13 53° 83° 40° (1955) 100° (1933) 0.01" NA
Aug 14 53° 83° 38° (1964) 103° (1992) 0.01" NA
Aug 15 53° 82° 38° (1937) 101° (1933) 0.01" NA
Aug 16 53° 82° 40° (1935) 101° (1933) 0.01" NA
Aug 17 53° 82° 41° (1995) 100° (1967) 0.01" NA
Aug 18 53° 82° 39° (1995) 100° (1977) 0.01" NA
Aug 19 53° 82° 39° (1947) 100° (1967) 0.01" NA
Aug 20 52° 82° 35° (1933) 102° (1967) 0.01" NA
Aug 21 52° 81° 39° (1933) 98° (1950) 0.01" NA
Aug 22 52° 81° 41° (1985) 100° (1946) 0.01" NA
Aug 23 52° 81° 42° (1943) 98° (1946) 0.01" NA
Aug 24 51° 81° 34° (1992) 99° (1958) 0.01" NA
Aug 25 51° 80° 37° (1992) 97° (1958) 0.02" NA
Aug 26 51° 80° 37° (1955) 98° (1934) 0.02" NA
Aug 27 51° 80° 40° (1952) 93° (1929) 0.02" NA
Aug 28 50° 80° 38° (2000) 96° (1972) 0.02" NA
Aug 29 50° 79° 31° (1980) 98° (1972) 0.02" NA
Aug 30 50° 79° 36° (1965) 96° (1967) 0.02" NA
Aug 31 50° 79° 37° (1951) 97° (1967) 0.02" NA
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