Climate averages 1991–2020
Weather in South Korea in August
In August, average daytime highs across the 79 cities listed in South Korea range from 26.0°C in Gangneung to 30.0°C in Gyeongsan-si. Monthly rainfall ranges from 168 mm in Jeju City to 292 mm in Hwado.
Long-term climate patterns, not a forecast for a particular trip.
City by city
August in South Korea
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Seoul | 28.6°C22.0°C | 22.0°C | 258 | 15.1 |
| Busan | 27.5°C23.8°C | 23.8°C | 181 | 11.0 |
| Incheon | 27.6°C22.6°C | 22.6°C | 244 | 13.8 |
| Daegu | 29.9°C22.4°C | 22.4°C | 196 | 14.2 |
| Daejeon | 29.3°C22.4°C | 22.4°C | 197 | 15.0 |
| Gwangju | 29.3°C22.4°C | 22.4°C | 225 | 15.5 |
| Suwon | 28.4°C22.1°C | 22.1°C | 231 | 14.0 |
| Ulsan | 28.3°C23.5°C | 23.5°C | 213 | 14.1 |
| Goyang-si | 28.3°C22.1°C | 22.1°C | 264 | 14.9 |
| Changwon | 28.8°C23.4°C | 23.4°C | 220 | 14.6 |
| Seongnam-si | 28.4°C21.9°C | 21.9°C | 277 | 15.7 |
| Cheongju-si | 29.4°C22.3°C | 22.3°C | 227 | 15.1 |
| Bucheon-si | 28.0°C22.5°C | 22.5°C | 244 | 13.8 |
| Cheonan | 29.3°C22.5°C | 22.5°C | 237 | 15.4 |
| Hwaseong-si | 27.3°C22.8°C | 22.8°C | 239 | 12.8 |
| Jeonju | 29.0°C22.3°C | 22.3°C | 217 | 16.7 |
| Ansan-si | 28.0°C22.6°C | 22.6°C | 239 | 12.8 |
| Anyang-si | 28.0°C22.3°C | 22.3°C | 258 | 15.1 |
| Kimhae | 28.4°C23.5°C | 23.5°C | 211 | 13.3 |
| Pohang | 28.6°C23.4°C | 23.4°C | 202 | 13.5 |
| Jeju City | 28.7°C25.7°C | 25.7°C | 168 | 13.7 |
| Uijeongbu-si | 28.4°C21.9°C | 21.9°C | 265 | 15.1 |
| Paju | 28.5°C21.9°C | 21.9°C | 264 | 14.9 |
| Masan | 29.4°C22.6°C | 22.6°C | 224 | 15.7 |
| Gumi | 29.6°C22.5°C | 22.5°C | 215 | 14.5 |
| Sejong | 29.3°C22.3°C | 22.3°C | 226 | 15.0 |
| Pyeongtaek | 28.9°C22.4°C | 22.4°C | 232 | 15.1 |
| Yangsan | 28.9°C23.5°C | 23.5°C | 211 | 13.3 |
| Gwangmyeong | 28.4°C22.3°C | 22.3°C | 244 | 13.8 |
| Wŏnju | 28.4°C21.0°C | 21.0°C | 228 | 15.8 |
| Chinju | 29.1°C22.4°C | 22.4°C | 286 | 16.8 |
| Iksan | 29.0°C22.4°C | 22.4°C | 233 | 15.0 |
| Chuncheon | 28.2°C21.3°C | 21.3°C | 256 | 15.9 |
| Suncheon | 29.3°C23.3°C | 23.3°C | 288 | 17.1 |
| Yeosu | 27.5°C23.9°C | 23.9°C | 224 | 12.6 |
| Mokpo | 27.8°C23.2°C | 23.2°C | 204 | 13.7 |
| Gyeongsan-si | 30.0°C22.5°C | 22.5°C | 187 | 13.6 |
| Gunsan | 28.0°C23.3°C | 23.3°C | 225 | 14.0 |
| Hanam | 28.8°C22.0°C | 22.0°C | 277 | 15.7 |
| Gyeongju | 29.5°C23.0°C | 23.0°C | 205 | 13.9 |
| Osan | 28.8°C22.3°C | 22.3°C | 231 | 14.0 |
| Geoje | 26.8°C24.6°C | 24.6°C | 187 | 11.6 |
| Chungju | 28.7°C21.7°C | 21.7°C | 226 | 15.4 |
| Gangneung | 26.0°C21.7°C | 21.7°C | 229 | 17.3 |
| Gimpo-si | 27.9°C22.5°C | 22.5°C | 244 | 13.8 |
| Icheon-si | 28.8°C21.8°C | 21.8°C | 252 | 15.3 |
| Guri-si | 28.7°C22.0°C | 22.0°C | 277 | 15.7 |
| Yangju | 28.4°C21.6°C | 21.6°C | 265 | 15.1 |
| Seogwipo | 29.5°C25.3°C | 25.3°C | 225 | 17.1 |
| Gijang | 27.5°C23.9°C | 23.9°C | 198 | 12.0 |
| Gwangyang | 28.8°C23.3°C | 23.3°C | 286 | 16.4 |
| Andong | 28.8°C21.8°C | 21.8°C | 184 | 13.1 |
| Gimcheon | 29.4°C22.3°C | 22.3°C | 236 | 16.1 |
| Jeongeup | 29.2°C22.7°C | 22.7°C | 241 | 16.4 |
| Yeoju | 28.8°C21.5°C | 21.5°C | 235 | 15.2 |
| Hwado | 28.5°C21.7°C | 21.7°C | 292 | 17.0 |
| Sangju | 29.4°C22.3°C | 22.3°C | 212 | 14.5 |
| Donghae City | 27.1°C22.3°C | 22.3°C | 215 | 15.4 |
| Asan | 29.1°C22.4°C | 22.4°C | 234 | 15.0 |
| Wabu | 28.7°C21.8°C | 21.8°C | 277 | 15.7 |
| Boryeong | 28.4°C23.5°C | 23.5°C | 227 | 13.3 |
| Muan | 29.0°C23.0°C | 23.0°C | 206 | 14.6 |
| Kwangyang | 29.0°C23.4°C | 23.4°C | 288 | 17.1 |
| Hongseong | 29.1°C22.6°C | 22.6°C | 244 | 15.5 |
| Yeongju | 28.2°C21.2°C | 21.2°C | 183 | 13.4 |
| Yangp'yŏng | 29.0°C22.0°C | 22.0°C | 266 | 15.5 |
| Ungsang | 27.9°C23.3°C | 23.3°C | 213 | 14.1 |
| Sinhyeon | 27.3°C24.5°C | 24.5°C | 204 | 12.0 |
| Gwangju, South Korea | 29.0°C22.1°C | 22.1°C | 277 | 15.7 |
| Nangen | 29.2°C22.2°C | 22.2°C | 223 | 16.6 |
| Sokcho | 26.2°C21.4°C | 21.4°C | 200 | 15.1 |
| Naesŏ | 29.1°C23.1°C | 23.1°C | 202 | 14.3 |
| Mungyeong | 29.1°C22.0°C | 22.0°C | 212 | 14.5 |
| Hongch’ŏn | 28.0°C20.8°C | 20.8°C | 230 | 15.6 |
| Changnyeong | 29.7°C22.1°C | 22.1°C | 191 | 14.0 |
| Seosan | 27.9°C22.9°C | 22.9°C | 225 | 13.7 |
| Koch'ang | 29.1°C23.2°C | 23.2°C | 228 | 16.0 |
| Gongju | 29.6°C22.8°C | 22.8°C | 241 | 15.2 |
| Tongyeong | 28.0°C24.0°C | 24.0°C | 198 | 12.2 |
A rain day is a local calendar day with at least 1 mm of precipitation.