Climate almanac
Wilmington
Massachusetts, United States · 42.55°, -71.17°
What is the weather like in Wilmington in December?
In December, Wilmington is typically 41°F (5°C) during the day and 28°F (-2°C) at night. The month brings about 4.6 in (118 mm) of precipitation in total. Snowfall averages about 7.7 in (195 mm) over the month.
- Average high41°F (5°C)
- Average low28°F (-2°C)
- Precipitation4.6 in (118 mm)
- Clear or mostly clear days11
- Snowfall7.7 in (195 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)