Grass Valley, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° 53° 15° (1979) 77° (1975) 9.86" 3.6"
February 33° 55° 9° (1989) 81° (1971) 9.21" 1.9"
March 36° 57° 19° (1970) 81° (1986) 8.52" 1.6"
April 39° 63° 26° (1999) 88° (1987) 3.69" 0.9"
May 45° 70° 27° (1988) 99° (1984) 1.97" 0"
June 51° 79° 36° (1988) 100° (2000) 0.62" 0"
July 55° 87° 40° (1987) 108° (1972) 0.18" 0"
August 54° 86° 41° (1989) 108° (1971) 0.23" 0"
September 50° 81° 35° (2007) 104° (1971) 1.1" 0"
October 43° 71° 27° (1969) 97° (2001) 2.72" 0"
November 35° 58° 19° (1977) 87° (1966) 7.08" 0.4"
December 31° 53° 3° (1972) 80° (1980) 7.89" 2.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 54° 84° 43° (1997) 100° (1972) 0.01" NA
Jul 2 54° 84° 43° (1978) 99° (1972) 0.01" NA
Jul 3 54° 84° 45° (1983) 99° (2001) 0.01" NA
Jul 4 54° 85° 44° (1987) 100° (1991) 0.01" NA
Jul 5 54° 85° 44° (1977) 102° (1970) 0.01" NA
Jul 6 54° 85° 46° (1977) 97° (1968) 0.01" NA
Jul 7 54° 85° 46° (1983) 98° (1968) 0.01" NA
Jul 8 55° 86° 42° (1983) 100° (1989) 0.01" NA
Jul 9 55° 86° 41° (1983) 95° (1997) 0.01" NA
Jul 10 55° 86° 43° (1983) 98° (2002) 0.01" NA
Jul 11 55° 86° 44° (1974) 104° (2002) 0.01" NA
Jul 12 55° 86° 45° (1981) 98° (1990) 0.01" NA
Jul 13 55° 87° 48° (1981) 99° (1990) 0.01" NA
Jul 14 55° 87° 51° (1983) 105° (1972) 0.01" NA
Jul 15 55° 87° 48° (1989) 108° (1972) 0.01" NA
Jul 16 55° 87° 49° (1983) 108° (1972) 0.01" NA
Jul 17 55° 87° 47° (1983) 100° (2005) 0.01" NA
Jul 18 56° 87° 42° (1983) 101° (1988) 0.01" NA
Jul 19 56° 87° 43° (1983) 102° (1988) 0" NA
Jul 20 56° 87° 43° (1983) 100° (1970) 0" NA
Jul 21 56° 87° 43° (1983) 100° (1988) 0" NA
Jul 22 56° 88° 40° (1987) 98° (1971) 0" NA
Jul 23 56° 88° 43° (1983) 97° (1988) 0" NA
Jul 24 56° 88° 45° (1987) 97° (1975) 0" NA
Jul 25 56° 88° 45° (1987) 98° (1975) 0" NA
Jul 26 56° 88° 42° (1983) 102° (1975) 0" NA
Jul 27 56° 88° 42° (1983) 102° (1975) 0" NA
Jul 28 56° 88° 47° (1983) 99° (1980) 0" NA
Jul 29 56° 88° 46° (1985) 99° (2003) 0" NA
Jul 30 56° 88° 45° (1987) 100° (2003) 0" NA
Jul 31 55° 88° 45° (1989) 97° (1991) 0" NA
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