Weather in Seoul in October
In an average October, Seoul sees a daily high around 19°C and a low around 10°C, based on 1981–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 15°C to 22°C |
| Average low | 10°C |
| Typical low range | 6°C to 14°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
27°C
2019-10-01
Lowest
6°C
1981-10-23
Low
Highest
20°C
2022-10-03
Lowest
-2°C
1982-10-25
Feels-like
Highest
29°C
2019-10-01
Lowest
-9°C
1982-10-24
Humidity
Highest
18.3 g/m³
2022-10-03
Lowest
3.2 g/m³
1982-10-24
Wind
Highest
50 km/h
1994-10-12
Lowest
6 km/h
1992-10-27
Precip
Wettest
239 mm
2025
Driest
5 mm
1990
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