WEATHER IN San Francisco
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | 26 (1949) | 44.5 | 51.3 | 58.0 | 73 (2014) |
| february | 30 (1950) | 46.1 | 53.5 | 60.8 | 77 (1986) |
| march | 31 (1966) | 47.6 | 55.5 | 63.4 | 85 (1952) |
| april | 36 (1955) | 49.1 | 57.3 | 65.6 | 92 (1989) |
| may | 39 (1950) | 51.6 | 59.9 | 68.3 | 97 (1984) |
| june | 43 (1954) | 53.6 | 62.5 | 71.5 | 106 (1961) |
| july | 44 (1951) | 55.3 | 64.0 | 72.6 | 99 (1985) |
| august | 42 (1928) | 56.4 | 64.9 | 73.4 | 100 (1993) |
| september | 41 (1950) | 55.9 | 65.3 | 74.8 | 103 (1971) |
| october | 37 (1949) | 53.4 | 62.9 | 72.3 | 99 (1987) |
| november | 31 (1954) | 48.5 | 56.4 | 64.3 | 85 (1967) |
| december | 24 (1972) | 44.6 | 51.4 | 58.2 | 75 (1958) |
| year | 24 (1972) | 50.6 | 58.2 | 65.8 | 106 (1961) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 3.89 | 0.01 (2014) | 24.36 (1862) | 5.59 (1982) |
| february | 3.96 | 0.00 (1864) | 13.64 (1998) | 2.92 (1998) |
| march | 2.73 | 0.03 (1923) | 8.75 (1879) | 1.99 (1978) |
| april | 1.36 | 0.00 (1857) | 10.06 (1880) | 2.30 (1958) |
| may | 0.48 | 0.00 (1850) | 4.02 (1925) | 1.53 (1957) |
| june | 0.14 | 0.00 (1850) | 1.49 (2011) | 0.81 (1967) |
| july | 0.00 | 0.00 (1850) | 0.35 (1977) | 0.35 (1977) |
| august | 0.04 | 0.00 (1850) | 0.66 (1976) | 0.56 (1997) |
| september | 0.07 | 0.00 (1852) | 2.53 (1918) | 2.29 (1959) |
| october | 0.79 | 0.00 (1850) | 7.30 (1962) | 2.64 (2009) |
| november | 2.04 | 0.00 (1890) | 11.78 (1885) | 2.39 (1973) |
| december | 4.14 | 0.00 (1876) | 15.16 (1866) | 3.16 (1995) |
| year | 20.65 | 9.00 (1917) | 38.63 (1862) | 5.59 (1982) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |