Climate almanac
South San Francisco
California, United States · 37.65°, -122.41°
What is the weather like in South San Francisco in May?
In May, South San Francisco is typically 62°F (17°C) during the day and 52°F (11°C) at night. The month brings about 0.6 in (16 mm) of precipitation in total.
- Average high62°F (17°C)
- Average low52°F (11°C)
- Precipitation0.6 in (16 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)