Climate almanac
Washington
Iowa, United States · 41.30°, -91.69°
What is the weather like in Washington in December?
In December, Washington is typically 40°F (4°C) during the day and 24°F (-4°C) at night. The month brings about 2.1 in (52 mm) of precipitation in total. Snowfall averages about 3.1 in (78 mm) over the month.
- Average high40°F (4°C)
- Average low24°F (-4°C)
- Precipitation2.1 in (52 mm)
- Clear or mostly clear days8
- Snowfall3.1 in (78 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)