Climate almanac
Walla Walla
Washington, United States · 46.06°, -118.34°
What is the weather like in Walla Walla in December?
In December, Walla Walla is typically 40°F (4°C) during the day and 30°F (-1°C) at night. The month brings about 4.0 in (100 mm) of precipitation in total. Snowfall averages about 11 in (269 mm) over the month.
- Average high40°F (4°C)
- Average low30°F (-1°C)
- Precipitation4.0 in (100 mm)
- Clear or mostly clear days4
- Snowfall11 in (269 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)