Climate almanac
Port Arthur
Southwest Finland, Finland · 60.45°, 22.24°
What is the weather like in Port Arthur in December?
In December, Port Arthur is typically 34°F (1°C) during the day and 27°F (-3°C) at night. The month brings about 2.4 in (61 mm) of precipitation in total. Snowfall averages about 5.8 in (148 mm) over the month.
- Average high34°F (1°C)
- Average low27°F (-3°C)
- Precipitation2.4 in (61 mm)
- Clear or mostly clear days2
- Snowfall5.8 in (148 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)