Piedmont, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 44° 58° 30° (1975) 74° (1984) 4.71" 0"
February 47° 62° 29° (1976) 81° (1986) 4.65" 0"
March 49° 64° 34° (1976) 88° (2005) 3.39" 0"
April 50° 66° 37° (1976) 97° (1981) 1.42" 0"
May 53° 69° 43° (1975) 105° (1976) 0.77" 0"
June 55° 71° 48° (2002) 107° (1973) 0.12" 0"
July 56° 72° 51° (1975) 103° (1972) 0" 0"
August 58° 73° 50° (1977) 99° (1983) 0.06" 0"
September 57° 74° 48° (1986) 109° (1971) 0.25" 0"
October 54° 72° 43° (2007) 103° (1980) 1.37" 0"
November 49° 65° 36° (1975) 84° (1997) 2.89" 0"
December 45° 58° 26° (1972) 75° (1979) 4.48" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 51° 68° 47° (1983) 85° (1990) 0.04" 0"
May 2 51° 68° 45° (1974) 84° (1992) 0.04" 0"
May 3 52° 68° 49° (2002) 81° (2001) 0.04" 0"
May 4 52° 68° 44° (1975) 82° (1987) 0.03" 0"
May 5 52° 68° 43° (1975) 91° (1987) 0.03" 0"
May 6 52° 68° 44° (1977) 90° (2007) 0.03" 0"
May 7 52° 68° 47° (1986) 90° (2007) 0.03" 0"
May 8 52° 68° 47° (1985) 89° (2001) 0.02" 0"
May 9 52° 68° 45° (2003) 87° (1992) 0.03" 0"
May 10 52° 68° 48° (2002) 86° (1973) 0.02" 0"
May 11 52° 68° 45° (2010) 86° (1981) 0.03" 0"
May 12 52° 68° 48° (1985) 105° (1976) 0.02" 0"
May 13 52° 68° 47° (1974) 93° (1976) 0.03" 0"
May 14 53° 69° 47° (1974) 89° (2006) 0.03" 0"
May 15 53° 69° 48° (1999) 98° (2008) 0.03" 0"
May 16 53° 69° 48° (1974) 93° (1997) 0.02" 0"
May 17 53° 69° 48° (1977) 94° (1997) 0.03" 0"
May 18 53° 69° 45° (1974) 93° (1978) 0.02" 0"
May 19 53° 69° 46° (1974) 94° (1983) 0.03" 0"
May 20 53° 69° 48° (1974) 89° (1988) 0.02" 0"
May 21 53° 69° 49° (1974) 92° (2000) 0.02" 0"
May 22 53° 69° 47° (2002) 85° (1984) 0.02" 0"
May 23 53° 69° 47° (2010) 92° (1982) 0.02" 0"
May 24 54° 69° 49° (2009) 89° (1982) 0.02" 0"
May 25 54° 69° 49° (1980) 90° (1975) 0.02" 0"
May 26 54° 70° 50° (2008) 94° (1974) 0.02" 0"
May 27 54° 70° 47° (1977) 100° (1984) 0.01" 0"
May 28 54° 70° 47° (1976) 98° (1975) 0.02" 0"
May 29 54° 70° 49° (1974) 100° (1975) 0.02" 0"
May 30 54° 70° 49° (1974) 98° (1978) 0.02" 0"
May 31 54° 70° 49° (1971) 89° (2001) 0.01" 0"
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