Walnut Creek, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 39° 54° 20° (2007) 71° (1984) 4.25" 0"
February 42° 60° 26° (1989) 80° (1985) 3.81" 0"
March 44° 64° 29° (1971) 88° (1988) 3.24" 0"
April 46° 71° 29° (1999) 98° (1996) 1.04" 0"
May 50° 78° 34° (1976) 104° (1997) 0.46" 0"
June 54° 84° 31° (1976) 110° (2000) 0.12" 0"
July 55° 87° 41° (1979) 115° (1972) 0.02" 0"
August 55° 87° 42° (1970) 107° (1998) 0.08" 0"
September 54° 83° 40° (2007) 108° (1971) 0.24" 0"
October 49° 75° 34° (1971) 103° (1980) 0.94" 0"
November 43° 63° 25° (1985) 82° (1997) 2.59" 0"
December 39° 55° 19° (1990) 74° (1999) 2.79" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 43° 62° 36° (1971) 74° (1986) 0.13" NA
Mar 2 43° 62° 29° (1971) 71° (1986) 0.13" NA
Mar 3 43° 62° 34° (1976) 73° (1984) 0.13" NA
Mar 4 43° 62° 34° (1976) 78° (1984) 0.12" NA
Mar 5 44° 62° 31° (1976) 78° (1972) 0.12" NA
Mar 6 44° 63° 30° (1971) 79° (1972) 0.12" NA
Mar 7 44° 63° 34° (1985) 80° (1972) 0.12" NA
Mar 8 44° 63° 33° (2002) 78° (1972) 0.12" NA
Mar 9 44° 63° 34° (1985) 79° (2004) 0.12" NA
Mar 10 44° 63° 38° (1999) 83° (2004) 0.12" NA
Mar 11 44° 63° 36° (1991) 81° (2005) 0.12" NA
Mar 12 44° 63° 36° (1980) 81° (2005) 0.12" NA
Mar 13 44° 64° 33° (1990) 80° (2004) 0.11" NA
Mar 14 44° 64° 33° (1977) 81° (2004) 0.11" NA
Mar 15 44° 64° 34° (2002) 86° (2004) 0.11" NA
Mar 16 44° 64° 37° (1980) 86° (2004) 0.11" NA
Mar 17 44° 64° 37° (1980) 84° (1972) 0.11" NA
Mar 18 44° 65° 35° (1973) 82° (2004) 0.1" NA
Mar 19 45° 65° 37° (2002) 79° (1988) 0.1" NA
Mar 20 45° 65° 36° (1976) 82° (2004) 0.1" NA
Mar 21 45° 65° 37° (1982) 83° (2004) 0.1" NA
Mar 22 45° 65° 37° (1982) 78° (1984) 0.09" NA
Mar 23 45° 65° 35° (1994) 80° (1984) 0.09" NA
Mar 24 45° 66° 38° (1973) 79° (1970) 0.09" NA
Mar 25 45° 66° 36° (2005) 85° (1988) 0.09" NA
Mar 26 45° 66° 34° (2007) 88° (1988) 0.08" NA
Mar 27 45° 66° 36° (1972) 78° (1984) 0.08" NA
Mar 28 45° 67° 34° (1985) 81° (1986) 0.08" NA
Mar 29 45° 67° 36° (1975) 78° (1976) 0.08" NA
Mar 30 45° 67° 35° (2005) 81° (1976) 0.07" NA
Mar 31 45° 67° 34° (1977) 81° (2001) 0.07" NA
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