Incheon Weather in October
October in Incheon brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 11°C (52°F). The excellent weather makes it a solid choice for a visit.
Rainfall in Incheon in October
You can expect rain on around 6 days based on historical patterns, with 56 mm (2.2 in) average for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Incheon in October
The temperature in Incheon in October is excellent. Daytime highs reach 20°C (68°F), with nights dropping to 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Incheon in October
Enjoy a sunny month with about 218 hours of sunshine, the clear skies make Incheon even more beautiful.If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Incheon.
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 Incheon's climate page.
Incheon Temperature in October
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
21%
Precipitation
56 mm (2.2 in)
Rainy days
6 days
Humidity
66%
Sunshine
218 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Incheon typically drop from around 23°C (73°F) at the start of October to approximately 16°C (61°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 Incheon in October
Browse day-by-day weather records for Incheon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Incheon historical weather extremes in October
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Incheon.
- On October 4, 2016, temperatures climbed to 29°C (84°F), marking the warmest October day on record.
- Incheon experienced its chilliest October day on October 23, 1981, reaching only 6°C (43°F).
- Nighttime temperatures dropped to -4°C (25°F) on October 29, 2002, marking the coldest October night on record.
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
pleasant
tolerable
unpleasant
poor
What to Wear in Incheon in October
Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Incheon 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 Incheon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Incheon climate overview or explore weather in South Korea.
