Climate almanac
Watertown
South Dakota, United States · 44.90°, -97.12°
What is the weather like in Watertown in May?
In May, Watertown is typically 69°F (21°C) during the day and 48°F (9°C) at night. The month brings about 3.7 in (93 mm) of precipitation in total. Snowfall averages about 0.7 in (17 mm) over the month.
- Average high69°F (21°C)
- Average low48°F (9°C)
- Precipitation3.7 in (93 mm)
- Clear or mostly clear days11
- Snowfall0.7 in (17 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)