Climate almanac
Sejong
Sejong-si, South Korea · 36.59°, 127.29°
What is the weather like in Sejong in January?
In January, Sejong is typically 39°F (4°C) during the day and 23°F (-5°C) at night. The month brings about 0.9 in (24 mm) of precipitation in total. Snowfall averages about 1.6 in (42 mm) over the month.
- Average high39°F (4°C)
- Average low23°F (-5°C)
- Precipitation0.9 in (24 mm)
- Clear or mostly clear days11
- Snowfall1.6 in (42 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)