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
Jun 1 49° 75° 38° (1982) 94° (2001) 0.04" 0"
Jun 2 49° 76° 37° (1971) 94° (1970) 0.05" 0"
Jun 3 50° 76° 38° (1976) 94° (1970) 0.03" 0"
Jun 4 50° 76° 37° (1982) 97° (1970) 0.04" 0"
Jun 5 50° 76° 36° (1988) 95° (1970) 0.03" 0"
Jun 6 50° 77° 37° (1982) 92° (1977) 0.04" 0"
Jun 7 50° 77° 37° (2005) 92° (1973) 0.03" 0"
Jun 8 51° 77° 36° (1988) 93° (1973) 0.03" 0"
Jun 9 51° 78° 41° (1999) 94° (1973) 0.02" 0"
Jun 10 51° 78° 40° (1972) 91° (1975) 0.03" 0"
Jun 11 51° 78° 38° (1972) 93° (1994) 0.02" 0"
Jun 12 51° 78° 43° (1993) 96° (1985) 0.02" 0"
Jun 13 52° 79° 39° (1981) 94° (1985) 0.02" 0"
Jun 14 52° 79° 41° (1979) 100° (2000) 0.02" 0"
Jun 15 52° 79° 42° (1979) 97° (2000) 0.02" 0"
Jun 16 52° 80° 42° (1978) 95° (2000) 0.02" 0"
Jun 17 52° 80° 43° (1973) 95° (1985) 0.02" 0"
Jun 18 53° 80° 41° (1979) 93° (1968) 0.01" 0"
Jun 19 53° 81° 41° (1995) 93° (1968) 0.02" 0"
Jun 20 53° 81° 41° (1995) 94° (1981) 0.02" 0"
Jun 21 53° 81° 45° (1978) 96° (1973) 0.01" 0"
Jun 22 53° 82° 44° (1991) 97° (1973) 0.01" 0"
Jun 23 54° 82° 45° (1978) 97° (1970) 0.01" 0"
Jun 24 54° 82° 43° (1991) 97° (2006) 0.01" 0"
Jun 25 54° 83° 39° (1975) 97° (1968) 0.01" 0"
Jun 26 54° 83° 43° (1980) 98° (1968) 0.01" 0"
Jun 27 55° 83° 41° (1983) 96° (1973) 0.01" 0"
Jun 28 55° 83° 44° (1969) 98° (1973) 0.01" 0"
Jun 29 55° 84° 42° (1969) 99° (2009) 0" 0"
Jun 30 55° 84° 45° (1985) 98° (2009) 0.01" 0"
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