Climate almanac
Groton
Connecticut, United States · 41.35°, -72.08°
What is the weather like in Groton in March?
In March, Groton is typically 45°F (7°C) during the day and 36°F (2°C) at night. The month brings about 4.5 in (113 mm) of precipitation in total. Snowfall averages about 5.0 in (126 mm) over the month.
- Average high45°F (7°C)
- Average low36°F (2°C)
- Precipitation4.5 in (113 mm)
- Clear or mostly clear days11
- Snowfall5.0 in (126 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)