Climate almanac
Shasta Lake
California, United States · 40.68°, -122.37°
What is the weather like in Shasta Lake in December?
In December, Shasta Lake is typically 55°F (13°C) during the day and 39°F (4°C) at night. The month brings about 10 in (260 mm) of precipitation in total. Snowfall averages about 2.9 in (73 mm) over the month.
- Average high55°F (13°C)
- Average low39°F (4°C)
- Precipitation10 in (260 mm)
- Clear or mostly clear days9
- Snowfall2.9 in (73 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)