Climate almanac
Maple Valley
Washington, United States · 47.39°, -122.05°
What is the weather like in Maple Valley in December?
In December, Maple Valley is typically 45°F (7°C) during the day and 36°F (2°C) at night. The month brings about 9.7 in (247 mm) of precipitation in total. Snowfall averages about 3.9 in (100 mm) over the month.
- Average high45°F (7°C)
- Average low36°F (2°C)
- Precipitation9.7 in (247 mm)
- Clear or mostly clear days3
- Snowfall3.9 in (100 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)