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
Dec 1 8.9° 16.1° 6° (1972) 22° (1959) 0.11" NA
Dec 2 8.9° 16.1° 6° (1963) 22° (1958) 0.11" NA
Dec 3 8.9° 15.6° 5° (1963) 23° (1958) 0.1" NA
Dec 4 8.9° 15.6° 4° (1963) 22° (1958) 0.1" NA
Dec 5 8.9° 15.6° 4° (1963) 22° (1979) 0.1" NA
Dec 6 8.9° 15.6° 5° (1972) 23° (1979) 0.1" NA
Dec 7 8.3° 15.6° 3° (1972) 22° (1979) 0.1" NA
Dec 8 8.3° 15° 1° (1972) 23° (1988) 0.1" NA
Dec 9 8.3° 15° -1° (1972) 21° (1950) 0.1" NA
Dec 10 8.3° 15° 0° (1972) 20° (1958) 0.1" NA
Dec 11 8.3° 15° 1° (1972) 23° (1958) 0.1" NA
Dec 12 8.3° 15° 2° (1972) 24° (1958) 0.09" NA
Dec 13 8.3° 15° 2° (1972) 21° (1958) 0.09" NA
Dec 14 8.3° 15° 2° (1972) 21° (1988) 0.09" NA
Dec 15 8.3° 14.4° 2° (1972) 22° (1980) 0.09" NA
Dec 16 8.3° 14.4° 3° (1963) 22° (1998) 0.1" NA
Dec 17 7.8° 14.4° 4° (1963) 21° (1996) 0.1" NA
Dec 18 7.8° 14.4° 3° (1963) 19° (1976) 0.1" NA
Dec 19 7.8° 14.4° 4° (1992) 23° (1999) 0.1" NA
Dec 20 7.8° 14.4° 1° (1990) 22° (1999) 0.1" NA
Dec 21 7.8° 14.4° -1° (1990) 21° (1999) 0.1" NA
Dec 22 7.8° 14.4° -2° (1990) 22° (1999) 0.1" NA
Dec 23 7.8° 14.4° -1° (1990) 20° (1999) 0.1" NA
Dec 24 7.8° 14.4° 0° (1990) 19° (1967) 0.1" NA
Dec 25 7.8° 14.4° 2° (1990) 19° (1967) 0.11" NA
Dec 26 7.8° 14.4° 3° (1990) 23° (1967) 0.11" NA
Dec 27 7.8° 14.4° 4° (1985) 22° (1953) 0.11" NA
Dec 28 7.8° 13.9° 4° (1988) 23° (1967) 0.11" NA
Dec 29 7.8° 13.9° 3° (1988) 20° (1989) 0.12" NA
Dec 30 7.8° 13.9° 2° (1990) 18° (1989) 0.12" NA
Dec 31 7.8° 13.9° 2° (1990) 19° (1958) 0.12" NA
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