Climate almanac
Port Washington
Wisconsin, United States · 43.39°, -87.88°
What is the weather like in Port Washington in December?
In December, Port Washington is typically 35°F (1°C) during the day and 25°F (-4°C) at night. The month brings about 2.1 in (54 mm) of precipitation in total. Snowfall averages about 6.6 in (168 mm) over the month.
- Average high35°F (1°C)
- Average low25°F (-4°C)
- Precipitation2.1 in (54 mm)
- Clear or mostly clear days4
- Snowfall6.6 in (168 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)