Seoul Weather in October
Thinking of visiting Seoul in October? Expect pleasant temperatures reaching 21°C (70°F) during the day, dropping to 9°C (48°F) at night, with some rainfall likely.
Rainfall in Seoul in October
Typically around 7 days of rainfall are expected, averaging 55 mm (2.2 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Seoul in October
Weather in Seoul is at its excellent in October. Highs reach 21°C (70°F), while nights settle around 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Seoul in October
There are approximately 207 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Seoul in October
Wind speeds average 2 m/s (4 knots) during October. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Seoul's climate page.
Seoul Temperature in October
Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Chance of Rain
22%
Precipitation
55 mm (2.2 in)
Rainy days
7 days
Humidity
62%
Windspeed
2 m/s (4 knots)
Sunshine
207 hours
Percentage Sunshine
59%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Seoul typically drop from around 23°C (73°F) at the start of October to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 5°C (41°F) to 13°C (55°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Seoul in October
Browse day-by-day weather records for Seoul spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Seoul historical weather extremes in October
Based on weather observations in Seoul between 1976 and 2025, these are the recorded extremes during October.
- The warmest day in October was on October 2, 2017, with a maximum of 29°C (84°F).
- The lowest overnight temperature recorded in October was -4°C (25°F) (October 29, 2002).
Best Places in South Korea in October
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in October →
perfect weather
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unpleasant
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What to Wear in Seoul in October
For Seoul in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Seoul in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Seoul's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Seoul climate overview or explore weather in South Korea.
