October weather in South San Francisco, CA
The average temperature in South San Francisco in October is 62.9°F (53.4°F–72.3°F). Average precipitation: 0.79 inches.
October is a fall month in South San Francisco, and is warmer than the annual average of 58.7°F. Daily temperatures swing about 18.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 11h 0m. For travel, October is one of the best months of the year to visit.
Avg High
72.3°F
Avg Low
53.4°F
Precipitation
0.79 in
Daylight
11h 0m
October records in South San Francisco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 97.0°F (1980) | 42.1°F (1950) | 0.34 in (1976) |
| October 2 | 96.1°F (1980) | 41.0°F (1950) | 0.38 in (1967) |
| October 3 | 95.0°F (2014) | 42.1°F (1954) | 0.16 in (2011) |
| October 4 | 95.0°F (1987) | 46.9°F (1989) | 0.33 in (1994) |
| October 5 | 99.0°F (1987) | 46.9°F (1952) | 0.68 in (2011) |
| October 6 | 98.1°F (2024) | 44.1°F (1954) | 0.10 in (1960) |
| October 7 | 91.9°F (1996) | 45.0°F (1946) | 0.44 in (1973) |
| October 8 | 93.9°F (1996) | 43.0°F (1946) | 0.23 in (1973) |
| October 9 | 91.0°F (1958) | 45.0°F (1955) | 0.95 in (1972) |
| October 10 | 89.1°F (1958) | 44.1°F (1968) | 1.26 in (1957) |
| October 11 | 88.0°F (2010) | 46.0°F (1953) | 2.38 in (1962) |
| October 12 | 93.9°F (2010) | 46.0°F (1953) | 1.94 in (1962) |
| October 13 | 91.9°F (2010) | 45.0°F (1951) | 2.64 in (2009) |
| October 14 | 95.0°F (1961) | 44.1°F (1960) | 1.02 in (1972) |
| October 15 | 95.0°F (1961) | 42.1°F (1966) | 1.42 in (1969) |
| October 16 | 93.9°F (2020) | 44.1°F (1980) | 1.01 in (1984) |
| October 17 | 91.0°F (2020) | 42.1°F (1971) | 0.18 in (2004) |
| October 18 | 86.0°F (2012) | 42.1°F (1946) | 0.17 in (1953) |
| October 19 | 88.0°F (2023) | 43.0°F (1949) | 1.65 in (2004) |
| October 20 | 89.1°F (1991) | 37.0°F (1949) | 0.59 in (1985) |
| October 21 | 82.0°F (1964) | 39.0°F (1949) | 0.44 in (2021) |
| October 22 | 87.1°F (2019) | 42.1°F (1949) | 0.91 in (1973) |
| October 23 | 90.0°F (1959) | 39.9°F (1949) | 1.16 in (1989) |
| October 24 | 91.0°F (2017) | 41.0°F (1956) | 4.02 in (2021) |
| October 25 | 87.1°F (2003) | 39.9°F (1953) | 1.50 in (1979) |
| October 26 | 89.1°F (2003) | 39.0°F (1954) | 1.20 in (2004) |
| October 27 | 86.0°F (2003) | 42.1°F (1951) | 0.83 in (1981) |
| October 28 | 84.9°F (2003) | 39.9°F (1954) | 1.07 in (1981) |
| October 29 | 82.0°F (1955) | 42.1°F (1954) | 0.91 in (1945) |
| October 30 | 82.9°F (1949) | 39.0°F (1971) | 1.03 in (1945) |
| October 31 | 82.9°F (1966) | 41.0°F (1954) | 0.27 in (1974) |