Grass Valley, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° 39° -22° (1957) 63° (2003) 1.46" 5.1"
February 28° 44° -23° (1950) 68° (1932) 1.16" 3.2"
March 32° 52° 3° (1993) 75° (1939) 1" 0.5"
April 36° 59° 19° (1966) 87° (1977) 0.92" 0"
May 43° 67° 20° (1954) 100° (1986) 1" 0"
June 48° 74° 27° (1976) 102° (1992) 0.66" 0"
July 54° 83° 34° (1954) 111° (1939) 0.23" 0"
August 53° 83° 31° (1980) 106° (1998) 0.25" 0"
September 46° 75° 23° (1980) 100° (1998) 0.5" 0"
October 37° 62° 7° (2002) 88° (1991) 0.97" 0.1"
November 30° 48° -15° (1985) 71° (1999) 1.61" 2"
December 24° 38° -16° (1990) 63° (1989) 1.66" 6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 56° 85° 42° (1987) 103° (1971) 0.01" 0"
Aug 2 56° 85° 40° (1964) 105° (2009) 0" 0"
Aug 3 55° 85° 41° (2002) 102° (1939) 0" 0"
Aug 4 55° 85° 41° (1950) 104° (1961) 0.01" 0"
Aug 5 55° 85° 40° (1964) 106° (1998) 0" 0"
Aug 6 55° 85° 35° (1980) 101° (1990) 0.01" 0"
Aug 7 55° 85° 38° (1946) 103° (1972) 0" 0"
Aug 8 55° 84° 40° (1938) 105° (1972) 0.01" 0"
Aug 9 55° 84° 41° (1955) 100° (1981) 0" 0"
Aug 10 55° 84° 41° (1964) 101° (1971) 0.01" 0"
Aug 11 55° 84° 44° (2007) 103° (1971) 0.01" 0"
Aug 12 54° 84° 41° (2000) 102° (1971) 0.01" 0"
Aug 13 54° 84° 40° (1955) 100° (1933) 0" 0"
Aug 14 54° 83° 38° (1964) 103° (1992) 0.01" 0"
Aug 15 54° 83° 38° (1937) 101° (1933) 0.01" 0"
Aug 16 54° 83° 40° (1935) 101° (1933) 0.01" 0"
Aug 17 53° 83° 41° (1995) 104° (2008) 0.01" 0"
Aug 18 53° 83° 39° (1995) 105° (2008) 0" 0"
Aug 19 53° 82° 39° (1947) 100° (1967) 0.01" 0"
Aug 20 53° 82° 35° (1933) 102° (1967) 0.01" 0"
Aug 21 53° 82° 39° (1933) 98° (1950) 0.01" 0"
Aug 22 52° 82° 41° (1985) 100° (1946) 0.01" 0"
Aug 23 52° 81° 40° (2010) 98° (1946) 0.01" 0"
Aug 24 52° 81° 34° (1992) 99° (1958) 0.01" 0"
Aug 25 52° 81° 37° (1992) 97° (1958) 0.01" 0"
Aug 26 52° 81° 37° (1955) 98° (1934) 0.01" 0"
Aug 27 51° 80° 40° (1952) 93° (1929) 0.01" 0"
Aug 28 51° 80° 38° (2000) 96° (1972) 0.01" 0"
Aug 29 51° 80° 31° (1980) 98° (1972) 0.02" 0"
Aug 30 51° 80° 36° (1965) 96° (1967) 0.01" 0"
Aug 31 50° 79° 37° (1951) 97° (1967) 0.01" 0"
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