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
Apr 1 37° 59° 26° (1976) 78° (1992) 0.19" NA
Apr 2 37° 60° 29° (1967) 79° (2000) 0.19" NA
Apr 3 37° 60° 28° (1983) 79° (1985) 0.18" NA
Apr 4 37° 60° 28° (1999) 78° (1985) 0.17" NA
Apr 5 38° 60° 29° (2003) 81° (1985) 0.17" NA
Apr 6 38° 60° 27° (1975) 82° (1989) 0.16" NA
Apr 7 38° 61° 27° (1975) 85° (1989) 0.16" NA
Apr 8 38° 61° 27° (1982) 86° (1989) 0.15" NA
Apr 9 38° 61° 26° (1999) 86° (1989) 0.15" NA
Apr 10 38° 61° 30° (1991) 85° (1989) 0.14" NA
Apr 11 38° 61° 30° (1983) 83° (1988) 0.13" NA
Apr 12 38° 62° 29° (1983) 84° (1988) 0.13" NA
Apr 13 38° 62° 29° (1972) 79° (1985) 0.13" NA
Apr 14 39° 62° 29° (2005) 84° (1985) 0.12" NA
Apr 15 39° 62° 29° (1975) 86° (1985) 0.12" NA
Apr 16 39° 63° 27° (1976) 84° (1987) 0.11" NA
Apr 17 39° 63° 29° (1975) 84° (1987) 0.11" NA
Apr 18 39° 63° 29° (1968) 78° (1999) 0.11" NA
Apr 19 39° 63° 28° (1979) 79° (1989) 0.1" NA
Apr 20 40° 64° 30° (1970) 76° (1989) 0.1" NA
Apr 21 40° 64° 28° (1968) 80° (1986) 0.1" NA
Apr 22 40° 64° 31° (1978) 81° (1986) 0.09" NA
Apr 23 40° 64° 32° (1988) 78° (1987) 0.09" NA
Apr 24 40° 65° 30° (1989) 79° (1977) 0.09" NA
Apr 25 40° 65° 28° (1984) 78° (1973) 0.09" NA
Apr 26 41° 65° 26° (1984) 82° (1987) 0.09" NA
Apr 27 41° 65° 30° (1984) 84° (1987) 0.08" NA
Apr 28 41° 66° 28° (1970) 88° (1987) 0.08" NA
Apr 29 41° 66° 28° (1967) 88° (1981) 0.08" NA
Apr 30 42° 66° 33° (1967) 82° (1981) 0.08" NA
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