Climate almanac
Boston
England, United Kingdom · 52.98°, -0.03°
What is the weather like in Boston in December?
In December, Boston is typically 47°F (8°C) during the day and 39°F (4°C) at night. The month brings about 2.6 in (65 mm) of precipitation in total. Snowfall averages about 0.3 in (7 mm) over the month.
- Average high47°F (8°C)
- Average low39°F (4°C)
- Precipitation2.6 in (65 mm)
- Clear or mostly clear days4
- Snowfall0.3 in (7 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)