Climate almanac
Belmont
California, United States · 37.52°, -122.28°
What is the weather like in Belmont in December?
In December, Belmont is typically 58°F (15°C) during the day and 47°F (8°C) at night. The month brings about 3.9 in (100 mm) of precipitation in total.
- Average high58°F (15°C)
- Average low47°F (8°C)
- Precipitation3.9 in (100 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)