Climate almanac
South Boston
Massachusetts, United States · 42.33°, -71.05°
What is the weather like in South Boston in March?
In March, South Boston is typically 47°F (8°C) during the day and 34°F (1°C) at night. The month brings about 4.4 in (111 mm) of precipitation in total. Snowfall averages about 7.1 in (180 mm) over the month.
- Average high47°F (8°C)
- Average low34°F (1°C)
- Precipitation4.4 in (111 mm)
- Clear or mostly clear days10
- Snowfall7.1 in (180 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)