Grass Valley, Oregon
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° 38° -22° (1957) 63° (2003) 1.57" 5.7"
February 28° 44° -23° (1950) 68° (1932) 1.14" 2.9"
March 32° 51° 3° (1993) 75° (1939) 1.09" 1.2"
April 36° 58° 19° (1966) 87° (1977) 0.88" 0.2"
May 41° 66° 20° (1954) 100° (1986) 0.89" 0"
June 47° 73° 27° (1976) 102° (1992) 0.62" 0"
July 53° 82° 34° (1954) 111° (1939) 0.31" 0"
August 53° 82° 31° (1980) 106° (1998) 0.38" 0"
September 45° 74° 23° (1980) 100° (1998) 0.52" 0"
October 37° 62° 7° (2002) 88° (1991) 0.85" 0.2"
November 31° 47° -15° (1985) 71° (1999) 1.64" 2.6"
December 25° 38° -16° (1990) 63° (1989) 1.54" 6.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 26° 40° -21° (1950) 64° (1992) 0.05" NA
Feb 2 26° 41° -23° (1950) 64° (1962) 0.05" NA
Feb 3 26° 41° -22° (1950) 60° (2005) 0.04" NA
Feb 4 26° 41° -15° (1989) 64° (2005) 0.04" NA
Feb 5 26° 41° -8° (1989) 59° (2001) 0.04" NA
Feb 6 26° 41° -3° (1929) 57° (1957) 0.04" NA
Feb 7 27° 42° -10° (1929) 62° (1945) 0.04" NA
Feb 8 27° 42° -13° (1929) 60° (1945) 0.04" NA
Feb 9 27° 42° -14° (1929) 64° (1996) 0.04" NA
Feb 10 27° 42° -11° (1929) 62° (1952) 0.04" NA
Feb 11 27° 42° -7° (1929) 61° (1971) 0.04" NA
Feb 12 27° 43° -3° (1929) 64° (1971) 0.04" NA
Feb 13 27° 43° -5° (1933) 62° (1977) 0.04" NA
Feb 14 28° 43° -7° (1936) 58° (1953) 0.04" NA
Feb 15 28° 43° -9° (1936) 60° (1971) 0.04" NA
Feb 16 28° 44° -2° (1936) 62° (1977) 0.04" NA
Feb 17 28° 44° -8° (1936) 61° (1994) 0.04" NA
Feb 18 28° 44° 6° (1929) 66° (1930) 0.04" NA
Feb 19 28° 44° 7° (2006) 65° (1965) 0.04" NA
Feb 20 28° 45° 11° (1952) 63° (1995) 0.04" NA
Feb 21 28° 45° 9° (1957) 67° (1995) 0.04" NA
Feb 22 29° 45° 11° (1952) 65° (2002) 0.04" NA
Feb 23 29° 45° 17° (1957) 66° (2002) 0.04" NA
Feb 24 29° 46° 10° (1962) 64° (1963) 0.04" NA
Feb 25 29° 46° 4° (1993) 66° (1986) 0.04" NA
Feb 26 29° 46° 4° (1993) 68° (1932) 0.04" NA
Feb 27 29° 47° -3° (1993) 65° (1932) 0.04" NA
Feb 28 30° 47° 2° (1993) 60° (1959) 0.04" NA
Feb 29 30° 47° 11° (1960) 62° (1972) 0.04" NA
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