Climate almanac
Koesan
North Chungcheong, South Korea · 36.81°, 127.79°
What is the weather like in Koesan in December?
In December, Koesan is typically 40°F (4°C) during the day and 24°F (-5°C) at night. The month brings about 1.3 in (32 mm) of precipitation in total. Snowfall averages about 1.7 in (42 mm) over the month.
- Average high40°F (4°C)
- Average low24°F (-5°C)
- Precipitation1.3 in (32 mm)
- Clear or mostly clear days15
- Snowfall1.7 in (42 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)