Climate almanac
Sejong
Sejong-si, South Korea · 36.59°, 127.29°
What is the weather like in Sejong in December?
In December, Sejong is typically 42°F (5°C) during the day and 26°F (-3°C) at night. The month brings about 1.2 in (31 mm) of precipitation in total. Snowfall averages about 1.1 in (27 mm) over the month.
- Average high42°F (5°C)
- Average low26°F (-3°C)
- Precipitation1.2 in (31 mm)
- Clear or mostly clear days10
- Snowfall1.1 in (27 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)