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
Aug 1 56° 88° 44° (1985) 98° (1973) 0" NA
Aug 2 55° 88° 45° (1989) 97° (1971) 0" NA
Aug 3 55° 88° 48° (1976) 99° (1969) 0" NA
Aug 4 55° 88° 46° (1976) 102° (1969) 0" NA
Aug 5 55° 87° 47° (1976) 103° (1998) 0" NA
Aug 6 55° 87° 46° (1976) 100° (1998) 0" NA
Aug 7 55° 87° 46° (1976) 102° (1978) 0" NA
Aug 8 55° 87° 46° (1985) 102° (1978) 0" NA
Aug 9 55° 87° 44° (1976) 104° (1978) 0" NA
Aug 10 55° 87° 47° (1982) 104° (1978) 0" NA
Aug 11 55° 87° 47° (1993) 108° (1971) 0" NA
Aug 12 55° 87° 48° (1985) 101° (1996) 0" NA
Aug 13 55° 87° 48° (1968) 98° (1967) 0" NA
Aug 14 55° 87° 47° (1974) 100° (1967) 0.01" NA
Aug 15 54° 87° 43° (1987) 102° (1967) 0.01" NA
Aug 16 54° 87° 45° (1987) 101° (1967) 0.01" NA
Aug 17 54° 86° 43° (1976) 100° (1967) 0.01" NA
Aug 18 54° 86° 44° (1985) 99° (1967) 0.01" NA
Aug 19 54° 86° 45° (1968) 101° (1967) 0.01" NA
Aug 20 54° 86° 45° (1985) 99° (1967) 0.01" NA
Aug 21 54° 86° 44° (1968) 96° (1967) 0.01" NA
Aug 22 54° 86° 42° (1968) 97° (1969) 0.01" NA
Aug 23 54° 86° 43° (1978) 99° (1969) 0.01" NA
Aug 24 53° 86° 44° (1978) 99° (1967) 0.01" NA
Aug 25 53° 85° 45° (1984) 96° (1967) 0.01" NA
Aug 26 53° 85° 46° (1989) 99° (1972) 0.01" NA
Aug 27 53° 85° 46° (1975) 96° (1972) 0.02" NA
Aug 28 53° 85° 46° (1980) 97° (2001) 0.02" NA
Aug 29 53° 85° 44° (1980) 95° (1988) 0.02" NA
Aug 30 53° 85° 41° (1989) 98° (1984) 0.02" NA
Aug 31 52° 84° 43° (1989) 101° (1968) 0.02" NA
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