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
Jun 1 57° 79° 52° (1988) 90° (1996) 0" 0"
Jun 2 57° 79° 49° (1985) 93° (1996) 0.01" 0"
Jun 3 57° 80° 52° (2007) 93° (1990) 0.01" 0"
Jun 4 57° 80° 49° (1980) 96° (2006) 0" 0"
Jun 5 57° 80° 47° (1999) 90° (1981) 0.01" 0"
Jun 6 57° 80° 51° (1980) 97° (1985) 0" 0"
Jun 7 57° 80° 47° (1988) 97° (1985) 0.01" 0"
Jun 8 57° 80° 47° (1988) 95° (1985) 0" 0"
Jun 9 58° 81° 47° (1988) 98° (1979) 0.01" 0"
Jun 10 58° 81° 49° (2006) 104° (1979) 0" 0"
Jun 11 58° 81° 55° (1980) 105° (1979) 0.01" 0"
Jun 12 58° 81° 51° (1980) 104° (1979) 0" 0"
Jun 13 58° 81° 48° (1980) 98° (1979) 0.01" 0"
Jun 14 58° 82° 50° (1980) 94° (1979) 0" 0"
Jun 15 58° 82° 52° (1979) 99° (1981) 0" 0"
Jun 16 59° 82° 51° (2006) 102° (1981) 0.01" 0"
Jun 17 59° 82° 50° (2006) 102° (1981) 0" 0"
Jun 18 59° 83° 53° (1995) 99° (1981) 0.01" 0"
Jun 19 59° 83° 49° (1979) 94° (1981) 0" 0"
Jun 20 59° 83° 46° (2003) 97° (2006) 0" 0"
Jun 21 59° 83° 41° (2003) 93° (1989) 0.01" 0"
Jun 22 59° 84° 46° (2003) 93° (1981) 0" 0"
Jun 23 60° 84° 52° (1980) 98° (1992) 0" 0"
Jun 24 60° 84° 48° (2003) 98° (1992) 0.01" 0"
Jun 25 60° 84° 51° (1980) 100° (1994) 0" 0"
Jun 26 60° 85° 54° (1980) 105° (1994) 0" 0"
Jun 27 60° 85° 55° (2002) 103° (1990) 0" 0"
Jun 28 60° 85° 54° (1991) 101° (1980) 0.01" 0"
Jun 29 61° 85° 55° (1989) 99° (1996) 0" 0"
Jun 30 61° 85° 49° (2002) 104° (1985) 0" 0"
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