San Marcos, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 43° 69° 25° (2007) 92° (2003) 3.03" 0"
February 45° 69° 27° (1990) 94° (1988) 3.52" 0"
March 47° 71° 33° (1985) 97° (1988) 2.65" 0"
April 51° 75° 36° (1999) 103° (1989) 1.15" 0"
May 55° 78° 31° (2003) 103° (2004) 0.25" 0"
June 59° 82° 41° (2003) 105° (1994) 0.12" 0"
July 62° 87° 52° (1980) 112° (2006) 0.08" 0"
August 63° 89° 54° (1991) 109° (1994) 0.08" 0"
September 62° 87° 49° (1982) 108° (1988) 0.21" 0"
October 55° 81° 39° (1981) 105° (1991) 0.71" 0"
November 48° 74° 29° (1979) 98° (1997) 1.17" 0"
December 42° 68° 26° (1990) 90° (1980) 2.14" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 44° 69° 30° (1985) 84° (1995) 0.1" 0"
Feb 2 44° 69° 31° (2004) 85° (1995) 0.11" 0"
Feb 3 44° 69° 32° (2002) 89° (1995) 0.11" 0"
Feb 4 44° 69° 35° (2002) 89° (2001) 0.11" 0"
Feb 5 44° 69° 28° (1985) 87° (2007) 0.12" 0"
Feb 6 44° 69° 31° (1989) 82° (2006) 0.11" 0"
Feb 7 44° 69° 33° (2004) 88° (1996) 0.12" 0"
Feb 8 44° 69° 33° (2001) 88° (1996) 0.13" 0"
Feb 9 44° 69° 33° (2001) 86° (1988) 0.12" 0"
Feb 10 44° 69° 31° (1986) 88° (1988) 0.12" 0"
Feb 11 44° 69° 31° (1980) 94° (1988) 0.12" 0"
Feb 12 44° 69° 34° (1999) 86° (1988) 0.12" 0"
Feb 13 44° 69° 36° (1999) 86° (1985) 0.13" 0"
Feb 14 45° 69° 35° (1989) 87° (2008) 0.13" 0"
Feb 15 45° 69° 27° (1990) 85° (1985) 0.13" 0"
Feb 16 45° 69° 30° (1990) 84° (1981) 0.14" 0"
Feb 17 45° 69° 35° (2001) 84° (1981) 0.13" 0"
Feb 18 45° 69° 32° (2008) 85° (1981) 0.14" 0"
Feb 19 45° 69° 33° (1990) 89° (1995) 0.13" 0"
Feb 20 45° 69° 35° (1990) 89° (1995) 0.13" 0"
Feb 21 45° 69° 35° (1987) 86° (2002) 0.13" 0"
Feb 22 45° 69° 32° (2006) 91° (2002) 0.13" 0"
Feb 23 45° 69° 36° (1987) 88° (1989) 0.12" 0"
Feb 24 45° 69° 36° (2001) 89° (1986) 0.12" 0"
Feb 25 45° 70° 38° (1997) 86° (1986) 0.12" 0"
Feb 26 46° 70° 38° (1996) 88° (2002) 0.11" 0"
Feb 27 46° 70° 34° (1987) 85° (1980) 0.12" 0"
Feb 28 46° 70° 37° (1987) 83° (1992) 0.11" 0"
Feb 29 46° 70° 37° (1996) 75° (1992) 0.11" NA
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