Climate almanac
Watertown
South Dakota, United States · 44.90°, -97.12°
What is the weather like in Watertown in January?
In January, Watertown is typically 23°F (-5°C) during the day and 9°F (-13°C) at night. The month brings about 0.9 in (22 mm) of precipitation in total. Snowfall averages about 5.7 in (144 mm) over the month.
- Average high23°F (-5°C)
- Average low9°F (-13°C)
- Precipitation0.9 in (22 mm)
- Clear or mostly clear days7
- Snowfall5.7 in (144 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)