Incheon Weather in August
Incheon in August sees high temperatures, with highs around 29°C (84°F) and overnight lows of 23°C (73°F). Rainfall is fairly high at around 243 mm (9.6 in) on average, so pack waterproofs just in case.
Rainfall in Incheon in August
Records from the past 30 years suggest around 13 days of rain, with 243 mm (9.6 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Incheon in August
August in Incheon brings high temperatures, with highs of 29°C (84°F) and nights around 23°C (73°F). Overall, the month follows a fairly predictable daily temperature pattern. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.
Sunshine in Incheon in August
The month enjoys around 192 hours of sunshine, creating mostly sunny days with good weather conditions.For Incheon itself, May and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 August
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
243 mm (9.6 in)
Rainy days
13 days
Humidity
80%
Sunshine
192 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Incheon typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 24°C (75°F).
Average temperatures in August
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 August
Historical weather for Incheon in August
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 August
The extremes listed below come from historical weather data collected in Incheon from 1976 through 2025.
- Incheon recorded its highest August temperature of 37°C (99°F) on August 22, 2018.
- On August 25, 2005, Incheon saw its coldest August day with temperatures maxing out at 19°C (66°F).
- The coldest night in August in Incheon was on August 30, 1993, with a minimum of 14°C (57°F).
Best Places in South Korea in August
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 August →
perfect weather
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tolerable
unpleasant
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What to Wear in Incheon in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Incheon in August
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.
