Climate almanac
Port Washington
Wisconsin, United States · 43.39°, -87.88°
What is the weather like in Port Washington in January?
In January, Port Washington is typically 29°F (-1°C) during the day and 19°F (-7°C) at night. The month brings about 2.1 in (53 mm) of precipitation in total. Snowfall averages about 9.6 in (243 mm) over the month.
- Average high29°F (-1°C)
- Average low19°F (-7°C)
- Precipitation2.1 in (53 mm)
- Clear or mostly clear days5
- Snowfall9.6 in (243 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)