November in South San Francisco averages a daily high of 17.6°C with nights around 9.6°C. Expect roughly 7.5 wet days totalling 51.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit South San Francisco is May–October.
Based on SAN FRANCISCO INTERNATIONAL AIRPORT, CA US (5.4km), 1995–2024. 30 years of November data.