South San Francisco

What is the climate like in South San Francisco?

The best time to visit South San Francisco is typically April – October, with trip comfort peaking in September (8.4/10). South San Francisco is warmest in September, when daily highs average 69°F (20°C), and coolest in December, when lows fall to about 48°F (9°C). The wettest month is typically January and the driest is August; the year sees roughly 23 in of precipitation.

• Best time to visitApril – October — comfort peaks in September (8.4/10)
• Warmest monthSeptember — average high 69°F (20°C)
• Coolest monthDecember — average low 48°F (9°C)
• Wettest monthJanuary (4.7 in)
• Driest monthAugust (0.1 in)
• Annual precipitation23 in