Climate almanac
Mill Creek
Washington, United States · 47.86°, -122.20°
What is the weather like in Mill Creek in December?
In December, Mill Creek is typically 46°F (8°C) during the day and 40°F (4°C) at night. The month brings about 8.3 in (210 mm) of precipitation in total. Snowfall averages about 2.2 in (57 mm) over the month.
- Average high46°F (8°C)
- Average low40°F (4°C)
- Precipitation8.3 in (210 mm)
- Clear or mostly clear days3
- Snowfall2.2 in (57 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)