San Francisco, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 0° (1962) 26.1° (1962) 4.72" NA
February 16° -0.6° (1989) 27.2° (1986) 4.15" NA
March 17° 3.9° (2006) 28.9° (2004) 3.4" NA
April 10° 18° -5° (1996) 34.4° (1989) 1.25" NA
May 11° 18° 6.1° (2003) 38.3° (2001) 0.54" NA
June 12° 20° 8.3° (1999) 39.4° (2000) 0.13" NA
July 12° 20° 8.3° (1953) 39.4° (1988) 0.04" NA
August 13° 21° 8.9° (1969) 36.7° (1993) 0.09" NA
September 13° 22° 8.9° (1955) 38.3° (1971) 0.28" NA
October 13° 21° 7.2° (1949) 38.9° (1987) 1.19" NA
November 11° 18° 4.4° (1994) 30° (1966) 3.31" NA
December 15° -2.2° (1990) 24.4° (1958) 3.18" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 13.3° 21.1° 11° (1950) 32° (1952) 0" NA
Sep 2 13.3° 21.1° 10° (1962) 34° (1991) 0" NA
Sep 3 13.3° 21.7° 11° (1957) 33° (1961) 0.01" NA
Sep 4 13.3° 21.7° 10° (1999) 32° (1961) 0.01" NA
Sep 5 13.3° 21.7° 10° (1999) 36° (2004) 0.01" NA
Sep 6 13.3° 21.7° 10° (2001) 33° (1995) 0.01" NA
Sep 7 13.3° 21.7° 11° (1962) 31° (1957) 0.01" NA
Sep 8 13.3° 21.7° 11° (2002) 38° (1984) 0.01" NA
Sep 9 13.3° 21.7° 11° (1955) 34° (1984) 0.01" NA
Sep 10 13.9° 21.7° 10° (1948) 31° (1979) 0.01" NA
Sep 11 13.9° 21.7° 10° (1970) 37° (1979) 0.01" NA
Sep 12 13.9° 21.7° 9° (1970) 37° (1983) 0.01" NA
Sep 13 13.3° 21.7° 10° (1948) 37° (1971) 0.01" NA
Sep 14 13.3° 21.7° 11° (1960) 38° (1971) 0.01" NA
Sep 15 13.3° 21.7° 11° (1973) 34° (1971) 0.01" NA
Sep 16 13.3° 21.7° 10.6° (2006) 32° (1968) 0.01" NA
Sep 17 13.3° 21.7° 11° (1960) 34° (1984) 0.01" NA
Sep 18 13.3° 21.7° 9° (1960) 33° (2000) 0.01" NA
Sep 19 13.3° 21.7° 9° (1960) 33° (1995) 0.01" NA
Sep 20 13.3° 22.2° 10° (1955) 34° (1983) 0.01" NA
Sep 21 13.3° 22.2° 11° (1955) 36° (2003) 0.01" NA
Sep 22 13.3° 22.2° 9.4° (2006) 33° (1964) 0.01" NA
Sep 23 13.3° 22.2° 10° (1960) 36° (1997) 0.01" NA
Sep 24 13.3° 22.2° 10° (1962) 35° (1997) 0.01" NA
Sep 25 13.3° 22.2° 10° (2006) 34° (1954) 0.01" NA
Sep 26 13.3° 22.2° 9° (1955) 34° (1992) 0.01" NA
Sep 27 13.3° 22.2° 9° (1955) 33° (1984) 0.01" NA
Sep 28 13.3° 22.2° 9° (1968) 35° (1966) 0.01" NA
Sep 29 13.3° 22.2° 9° (1952) 34° (1988) 0.01" NA
Sep 30 13.3° 22.2° 9° (1955) 36° (2001) 0.01" NA
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