Grass Valley, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 33° 53° 15° (1979) 77° (1975) 8.88" 0.6"
February 34° 55° 9° (1989) 81° (1971) 9.35" 2.7"
March 37° 58° 19° (1970) 81° (1986) 8.06" 2.5"
April 40° 63° 26° (1999) 88° (1987) 4.02" 0.4"
May 46° 71° 27° (1988) 99° (1984) 2.38" 0"
June 52° 80° 36° (1988) 100° (2000) 0.62" 0"
July 57° 87° 40° (1987) 108° (1972) 0.01" 0"
August 56° 87° 41° (1989) 108° (1971) 0.16" 0"
September 51° 81° 35° (2007) 104° (1971) 0.86" 0"
October 44° 71° 27° (1969) 97° (2001) 2.84" 0"
November 37° 59° 19° (1977) 87° (1966) 6.57" 0.3"
December 33° 52° 3° (1972) 80° (1980) 10.32" 1.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 55° 84° 43° (1997) 100° (1972) 0" 0"
Jul 2 56° 85° 43° (1978) 99° (1972) 0" 0"
Jul 3 56° 85° 45° (1983) 99° (2001) 0" 0"
Jul 4 56° 85° 44° (1987) 100° (1991) 0" 0"
Jul 5 56° 85° 44° (1977) 102° (1970) 0" 0"
Jul 6 56° 86° 46° (1977) 101° (2007) 0" 0"
Jul 7 56° 86° 46° (1983) 98° (1968) 0" 0"
Jul 8 57° 86° 42° (1983) 100° (1989) 0" 0"
Jul 9 57° 86° 41° (1983) 103° (2008) 0.01" 0"
Jul 10 57° 87° 43° (1983) 103° (2008) 0" 0"
Jul 11 57° 87° 44° (1974) 104° (2002) 0" 0"
Jul 12 57° 87° 45° (1981) 98° (1990) 0" 0"
Jul 13 57° 87° 48° (1981) 99° (1990) 0" 0"
Jul 14 57° 87° 51° (1983) 105° (1972) 0" 0"
Jul 15 57° 88° 48° (1989) 108° (1972) 0" 0"
Jul 16 57° 88° 49° (1983) 108° (1972) 0" 0"
Jul 17 57° 88° 47° (1983) 100° (2005) 0" 0"
Jul 18 57° 88° 42° (1983) 101° (1988) 0" 0"
Jul 19 57° 88° 43° (1983) 102° (1988) 0" 0"
Jul 20 58° 88° 43° (1983) 100° (1970) 0" 0"
Jul 21 58° 88° 43° (1983) 100° (1988) 0" 0"
Jul 22 58° 88° 40° (1987) 99° (2006) 0" 0"
Jul 23 58° 88° 43° (1983) 102° (2006) 0" 0"
Jul 24 58° 88° 45° (1987) 103° (2006) 0" 0"
Jul 25 58° 88° 45° (1987) 101° (2006) 0" 0"
Jul 26 57° 89° 42° (1983) 102° (1975) 0" 0"
Jul 27 57° 89° 42° (1983) 102° (1975) 0" 0"
Jul 28 57° 89° 47° (1983) 99° (1980) 0" 0"
Jul 29 57° 88° 46° (1985) 99° (2003) 0" 0"
Jul 30 57° 88° 45° (1987) 100° (2003) 0" 0"
Jul 31 57° 88° 45° (1989) 97° (1991) 0" 0"
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