Climate almanac
Sudbury
Massachusetts, United States · 42.38°, -71.42°
What is the weather like in Sudbury in January?
In January, Sudbury is typically 38°F (3°C) during the day and 24°F (-5°C) at night. The month brings about 3.5 in (90 mm) of precipitation in total. Snowfall averages about 8.9 in (226 mm) over the month.
- Average high38°F (3°C)
- Average low24°F (-5°C)
- Precipitation3.5 in (90 mm)
- Clear or mostly clear days10
- Snowfall8.9 in (226 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)