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
Jul 1 51° 79° 37° (1955) 99° (2008) 0.01" 0"
Jul 2 51° 79° 34° (1954) 101° (1942) 0.01" 0"
Jul 3 52° 80° 37° (1962) 104° (1942) 0.01" 0"
Jul 4 52° 80° 36° (1999) 100° (1968) 0" 0"
Jul 5 52° 80° 36° (1999) 100° (1968) 0.01" 0"
Jul 6 52° 81° 39° (1952) 102° (2007) 0.01" 0"
Jul 7 53° 81° 35° (1971) 99° (1968) 0.01" 0"
Jul 8 53° 81° 36° (1981) 98° (1945) 0.01" 0"
Jul 9 53° 82° 40° (1965) 100° (1939) 0.01" 0"
Jul 10 53° 82° 41° (1962) 102° (1975) 0.01" 0"
Jul 11 54° 82° 39° (1981) 100° (1990) 0.01" 0"
Jul 12 54° 83° 38° (1974) 106° (1990) 0.01" 0"
Jul 13 54° 83° 43° (1969) 104° (1935) 0.01" 0"
Jul 14 54° 83° 40° (1969) 106° (1935) 0.01" 0"
Jul 15 54° 84° 42° (1943) 103° (1941) 0" 0"
Jul 16 55° 84° 40° (1974) 107° (1941) 0.01" 0"
Jul 17 55° 84° 43° (1939) 105° (1941) 0.01" 0"
Jul 18 55° 84° 40° (1996) 104° (1941) 0" 0"
Jul 19 55° 84° 38° (1996) 103° (1979) 0.01" 0"
Jul 20 55° 85° 45° (1950) 104° (1979) 0.01" 0"
Jul 21 55° 85° 40° (1973) 107° (1938) 0" 0"
Jul 22 55° 85° 40° (1965) 105° (1938) 0.01" 0"
Jul 23 55° 85° 38° (1964) 106° (1994) 0.01" 0"
Jul 24 56° 85° 41° (1948) 108° (1928) 0" 0"
Jul 25 56° 85° 43° (1966) 110° (1928) 0.01" 0"
Jul 26 56° 85° 42° (1951) 108° (1939) 0" 0"
Jul 27 56° 85° 44° (1955) 111° (1939) 0.01" 0"
Jul 28 56° 85° 38° (1954) 104° (1998) 0" 0"
Jul 29 56° 85° 44° (1935) 103° (1998) 0.01" 0"
Jul 30 56° 85° 38° (1975) 102° (2003) 0" 0"
Jul 31 56° 85° 40° (2001) 101° (1929) 0.01" 0"
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