Weather in Seoul in January
In an average January, Seoul sees a daily high around 1°C and a low around -8°C, based on 1980–2026 of local climate records.
| Average high | 1°C |
|---|---|
| Typical high range | -4°C to 6°C |
| Average low | -8°C |
| Typical low range | -14°C to -1°C |
| Average daily precipitation | 0 mm |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
14°C
2002-01-14
Lowest
-15°C
1986-01-05
Low
Highest
7°C
2002-01-14
Lowest
-25°C
2001-01-13
Feels-like
Highest
5°C
2002-01-14
Lowest
-35°C
2001-01-13
Humidity
Highest
8.4 g/m³
2002-01-14
Lowest
0.6 g/m³
2004-01-21
Wind
Highest
36 km/h
2026-01-10
Lowest
5 km/h
2018-01-04
Gust
Highest
74 km/h
2021-01-28
Lowest
10 km/h
2010-01-17
Precip
Wettest
83 mm
1989
Driest
1 mm
2019
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