Climate almanac
Union
South Carolina, United States · 34.72°, -81.62°
What is the weather like in Union in March?
In March, Union is typically 68°F (20°C) during the day and 47°F (8°C) at night. The month brings about 3.7 in (93 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high68°F (20°C)
- Average low47°F (8°C)
- Precipitation3.7 in (93 mm)
- Clear or mostly clear days11
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)