Avg high
19°C
Avg low
9°C
Rainfall
77 mm
Rain days
6.5
Sunshine
8.2 h/day
Daylight
11 h
What to pack for Seoul in October
- long sleeves and a warm layer
- a medium jacket
- a packable rain layer
Humidity averages 75%; max daily wind around 14 km/h.
How October compares
Best months in Seoul: April–May & October. See the full best time to visit Seoul guide.
Seoul in October: the details
In October, Seoul sees average daytime highs of 19°C (65°F) and overnight lows of 9°C (49°F). Rainfall totals roughly 77 mm across 6.5 rainy days, and the sun shines about 8.2 hours per day with 11 hours of daylight mid-month. Relative humidity averages 75%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Seoul, South Korea (37.57, 126.98) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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