Climate almanac
Belfast
Maine, United States · 44.43°, -69.01°
What is the weather like in Belfast in December?
In December, Belfast is typically 35°F (2°C) during the day and 22°F (-5°C) at night. The month brings about 5.3 in (134 mm) of precipitation in total. Snowfall averages about 10 in (265 mm) over the month.
- Average high35°F (2°C)
- Average low22°F (-5°C)
- Precipitation5.3 in (134 mm)
- Clear or mostly clear days10
- Snowfall10 in (265 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)