Climate almanac
San Bruno
California, United States · 37.63°, -122.41°
What is the weather like in San Bruno in January?
In January, San Bruno is typically 57°F (14°C) during the day and 48°F (9°C) at night. The month brings about 4.7 in (120 mm) of precipitation in total.
- Average high57°F (14°C)
- Average low48°F (9°C)
- Precipitation4.7 in (120 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)