Climate almanac
Granite Bay
California, United States · 38.76°, -121.16°
What is the weather like in Granite Bay in December?
In December, Granite Bay is typically 58°F (14°C) during the day and 41°F (5°C) at night. The month brings about 6.3 in (160 mm) of precipitation in total.
- Average high58°F (14°C)
- Average low41°F (5°C)
- Precipitation6.3 in (160 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)