Climate almanac
Cheonan
Chungcheongnam-do, South Korea · 36.81°, 127.15°
What is the weather like in Cheonan in January?
In January, Cheonan is typically 38°F (4°C) during the day and 22°F (-6°C) at night. The month brings about 0.9 in (24 mm) of precipitation in total. Snowfall averages about 1.7 in (43 mm) over the month.
- Average high38°F (4°C)
- Average low22°F (-6°C)
- Precipitation0.9 in (24 mm)
- Clear or mostly clear days11
- Snowfall1.7 in (43 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)