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
Feb 1 32° 54° 18° (1969) 71° (1976) 0.34" NA
Feb 2 32° 54° 18° (1985) 67° (1976) 0.34" NA
Feb 3 32° 54° 18° (1985) 71° (1984) 0.33" NA
Feb 4 33° 54° 20° (1985) 74° (1995) 0.33" NA
Feb 5 33° 54° 11° (1989) 75° (1995) 0.33" NA
Feb 6 33° 54° 9° (1989) 73° (1967) 0.33" NA
Feb 7 33° 55° 9° (1989) 71° (1984) 0.33" NA
Feb 8 33° 55° 10° (1989) 73° (1987) 0.33" NA
Feb 9 33° 55° 17° (1989) 77° (1970) 0.33" NA
Feb 10 33° 55° 23° (1985) 72° (1970) 0.33" NA
Feb 11 33° 55° 24° (1985) 78° (1971) 0.33" NA
Feb 12 33° 55° 23° (1994) 81° (1971) 0.33" NA
Feb 13 33° 55° 23° (1990) 78° (1996) 0.33" NA
Feb 14 33° 55° 23° (1990) 74° (1971) 0.33" NA
Feb 15 33° 55° 21° (1990) 78° (1977) 0.33" NA
Feb 16 33° 55° 21° (1990) 76° (1977) 0.33" NA
Feb 17 33° 55° 21° (1984) 74° (1977) 0.33" NA
Feb 18 34° 55° 26° (1984) 74° (1977) 0.33" NA
Feb 19 34° 55° 17° (1990) 73° (1977) 0.33" NA
Feb 20 34° 55° 21° (1990) 75° (1977) 0.33" NA
Feb 21 34° 55° 23° (1990) 75° (1995) 0.33" NA
Feb 22 34° 55° 25° (1975) 73° (1995) 0.33" NA
Feb 23 34° 56° 25° (1984) 72° (1988) 0.33" NA
Feb 24 34° 56° 23° (1987) 73° (1985) 0.32" NA
Feb 25 34° 56° 22° (1987) 73° (1986) 0.32" NA
Feb 26 34° 56° 22° (1971) 75° (1986) 0.32" NA
Feb 27 34° 56° 25° (1971) 75° (1968) 0.32" NA
Feb 28 34° 56° 23° (1971) 76° (1968) 0.32" NA
Feb 29 34° 56° 30° (1984) 70° (1968) 0.32" NA
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