Climate almanac
Ellensburg
Washington, United States · 47.00°, -120.55°
What is the weather like in Ellensburg in December?
In December, Ellensburg is typically 35°F (2°C) during the day and 26°F (-4°C) at night. The month brings about 3.6 in (90 mm) of precipitation in total. Snowfall averages about 13 in (331 mm) over the month.
- Average high35°F (2°C)
- Average low26°F (-4°C)
- Precipitation3.6 in (90 mm)
- Clear or mostly clear days3
- Snowfall13 in (331 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)