South San Francisco, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 44° 56° 26° (1949) 72° (1948) 4.19" 0"
February 46° 60° 30° (1950) 77° (1986) 4.2" 0"
March 48° 62° 31° (1966) 85° (1952) 2.96" 0"
April 49° 65° 36° (1955) 92° (1989) 1.29" 0"
May 52° 68° 39° (1950) 97° (1984) 0.47" 0"
June 54° 71° 43° (1954) 106° (1961) 0.11" 0"
July 55° 72° 44° (1951) 105° (1988) 0" 0"
August 56° 73° 45° (1955) 100° (1993) 0.04" 0"
September 56° 74° 41° (1950) 103° (1971) 0.17" 0"
October 53° 70° 37° (1949) 99° (1987) 0.95" 0"
November 49° 63° 31° (1954) 85° (1967) 2.38" 0"
December 45° 57° 24° (1972) 75° (1958) 4.03" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 53° 69° 43° (1954) 91° (1989) 0.01" 0"
Jun 2 53° 69° 45° (1955) 102° (1960) 0" 0"
Jun 3 53° 69° 45° (1966) 87° (1960) 0.01" 0"
Jun 4 53° 69° 45° (1962) 92° (1955) 0.01" 0"
Jun 5 53° 70° 46° (1962) 89° (1972) 0.01" 0"
Jun 6 53° 70° 46° (1963) 88° (1983) 0" 0"
Jun 7 53° 70° 45° (1954) 89° (1979) 0.01" 0"
Jun 8 53° 70° 47° (1982) 98° (1973) 0" 0"
Jun 9 53° 70° 47° (1963) 91° (1986) 0.01" 0"
Jun 10 54° 70° 47° (1972) 94° (1994) 0.01" 0"
Jun 11 54° 70° 46° (1956) 88° (1985) 0" 0"
Jun 12 54° 70° 47° (1968) 88° (2010) 0" 0"
Jun 13 54° 70° 48° (1968) 95° (1966) 0.01" 0"
Jun 14 54° 71° 49° (1982) 106° (1961) 0" 0"
Jun 15 54° 71° 48° (1952) 95° (1976) 0" 0"
Jun 16 54° 71° 46° (1952) 90° (1961) 0" 0"
Jun 17 54° 71° 44° (1954) 95° (1993) 0.01" 0"
Jun 18 54° 71° 44° (1952) 88° (1981) 0" 0"
Jun 19 54° 71° 45° (1955) 92° (1962) 0" 0"
Jun 20 54° 71° 49° (1953) 96° (2008) 0.01" 0"
Jun 21 54° 71° 46° (1953) 94° (1973) 0" 0"
Jun 22 54° 71° 47° (1953) 98° (1989) 0" 0"
Jun 23 54° 71° 49° (1984) 94° (1976) 0" 0"
Jun 24 54° 72° 46° (1955) 97° (1976) 0" 0"
Jun 25 54° 72° 44° (1950) 96° (1993) 0" 0"
Jun 26 54° 72° 45° (1950) 96° (2003) 0" 0"
Jun 27 55° 72° 48° (1965) 97° (2003) 0.01" 0"
Jun 28 55° 72° 46° (1954) 94° (1976) 0" 0"
Jun 29 55° 72° 48° (1963) 87° (1959) 0" 0"
Jun 30 55° 72° 44° (1949) 92° (1996) 0" 0"
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