Climate almanac
Mäntyharju
South Savo, Finland · 61.42°, 26.88°
What is the weather like in Mäntyharju in December?
In December, Mäntyharju is typically 29°F (-1°C) during the day and 23°F (-5°C) at night. The month brings about 2.5 in (65 mm) of precipitation in total. Snowfall averages about 14 in (353 mm) over the month.
- Average high29°F (-1°C)
- Average low23°F (-5°C)
- Precipitation2.5 in (65 mm)
- Clear or mostly clear days1
- Snowfall14 in (353 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)