Yongin Weather in August
During August, Yongin experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 22°C (72°F). Expect quite a bit of rainfall. Around 251 mm (9.9 in) is typical.
Rainfall in Yongin in August
This month experiences about 13 days of rain according to historical data, averaging 251 mm (9.9 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Yongin in August
In August, Yongin sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 22°C (72°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.
Sunshine in Yongin in August
The area enjoys a moderate level of sunlight, with around 154 hours. It's a good balance between sunny and cloudy days.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Yongin. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Yongin's climate page.
Yongin Temperature in August
Min Temperature
22°C (72°F)
Max Temperature
31°C (88°F)
Chance of Rain
44%
Precipitation
251 mm (9.9 in)
Rainy days
13 days
Humidity
74% *
Sunshine
154 hours *
Percentage Sunshine
36% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yongin typically drop from around 31°C (88°F) at the start of August to approximately 28°C (82°F) by the end. 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 Yongin in August
Browse day-by-day weather records for Yongin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yongin historical weather extremes in August
The extremes listed below come from historical weather data collected in Yongin from 1976 through 2025.
- The hottest August day on record in Yongin reached 38°C (100°F) (August 1, 2018).
- The coldest August day was on August 30, 2022, with a maximum of 20°C (68°F).
- The lowest overnight temperature recorded in August was 13°C (55°F) (August 28, 1979).
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
pleasant
tolerable
unpleasant
poor
What to Wear in Yongin 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! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Yongin 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 Yongin's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yongin climate overview or explore weather in South Korea.
