South San Francisco, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 43° 56° 26° (1949) 72° (1948) 4.45" 0"
February 46° 59° 30° (1950) 77° (1986) 4.01" 0"
March 47° 61° 31° (1966) 85° (1952) 3.26" 0"
April 48° 64° 36° (1955) 92° (1989) 1.18" 0"
May 51° 67° 39° (1950) 97° (1984) 0.38" 0"
June 53° 70° 43° (1954) 106° (1961) 0.11" 0"
July 55° 71° 44° (1951) 105° (1988) 0.03" 0"
August 56° 72° 45° (1955) 100° (1993) 0.07" 0"
September 55° 73° 41° (1950) 103° (1971) 0.2" 0"
October 52° 70° 37° (1949) 99° (1987) 1.04" 0"
November 48° 62° 31° (1954) 85° (1967) 2.49" 0"
December 43° 56° 24° (1972) 75° (1958) 2.89" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 54° 72° 42° (1950) 97° (1980) 0.01" NA
Oct 2 54° 72° 41° (1950) 96° (1980) 0.01" NA
Oct 3 54° 72° 42° (1954) 94° (1985) 0.02" NA
Oct 4 54° 72° 47° (1989) 95° (1987) 0.02" NA
Oct 5 54° 72° 47° (1969) 99° (1987) 0.02" NA
Oct 6 54° 72° 44° (1954) 92° (1992) 0.02" NA
Oct 7 54° 71° 45° (1970) 92° (1996) 0.02" NA
Oct 8 53° 71° 43° (1946) 94° (1996) 0.02" NA
Oct 9 53° 71° 45° (1955) 91° (1958) 0.02" NA
Oct 10 53° 71° 44° (1968) 89° (1992) 0.02" NA
Oct 11 53° 71° 46° (1955) 87° (1978) 0.02" NA
Oct 12 53° 71° 46° (1969) 90° (1971) 0.03" NA
Oct 13 53° 71° 45° (1981) 91° (1978) 0.03" NA
Oct 14 53° 70° 44° (1960) 95° (1961) 0.03" NA
Oct 15 53° 70° 42° (1966) 95° (1961) 0.03" NA
Oct 16 52° 70° 44° (1980) 88° (1988) 0.03" NA
Oct 17 52° 70° 42° (1971) 90° (1988) 0.03" NA
Oct 18 52° 70° 42° (1946) 85° (1988) 0.03" NA
Oct 19 52° 69° 43° (1949) 85° (1964) 0.04" NA
Oct 20 52° 69° 37° (1949) 89° (1991) 0.04" NA
Oct 21 52° 69° 39° (1949) 82° (1965) 0.04" NA
Oct 22 52° 69° 42° (1949) 85° (1965) 0.04" NA
Oct 23 52° 68° 40° (1961) 90° (1959) 0.04" NA
Oct 24 51° 68° 41° (1956) 88° (1965) 0.05" NA
Oct 25 51° 68° 40° (1953) 87° (2003) 0.05" NA
Oct 26 51° 68° 39° (1954) 89° (2003) 0.05" NA
Oct 27 51° 67° 42° (1954) 86° (2003) 0.05" NA
Oct 28 51° 67° 40° (1954) 85° (2003) 0.05" NA
Oct 29 51° 67° 42° (1954) 82° (1955) 0.06" NA
Oct 30 50° 67° 39° (1971) 83° (1949) 0.06" NA
Oct 31 50° 66° 41° (1972) 83° (1967) 0.06" NA
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