South Korea in August
August is one of South Korea's weaker months (rank 11 of 12): its 10 destinations average 55/100, led by Jeju at 80 — 35°C and 13 rainy days — while Gangneung is cooler at 27°C and scores 65.
#11 of 12 months for South Korea · 10 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in South Korea in August
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Jeju | Island | 35°C | 151 mm · 13 days | 80 tier A | Yes |
| 2 | Sokcho | Beach | 27°C | 272 mm · 17 days | 68 tier C | — |
| 3 | Gangneung | Beach | 27°C | 317 mm · 20 days | 65 tier C | — |
| 4 | Busan | City | 33°C | 236 mm · 16 days | 57 tier D | — |
| 5 | Daegu | City | 30°C | 235 mm · 16 days | 54 tier D | — |
| 6 | Incheon | City | 28°C | 287 mm · 16 days | 54 tier D | — |
| 7 | Gyeongju | City | 35°C | 248 mm · 17 days | 53 tier D | — |
| 8 | Jeonju | City | 29°C | 240 mm · 18 days | 53 tier D | — |
| 9 | Seoul | City | 33°C | 311 mm · 17 days | 52 tier D | — |
| 10 | Pyeongchang | Ski resort | 28°C | 283 mm · 17 days | 10 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means August is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in South Korea in August
- Busan Sea Festival · Busan · 1–6 Aug
- Pentaport Rock Festival · Incheon · 31 Jul – 2 Aug
- Buckwheat flowers at Bongpyeong · Pyeongchang · 25 Aug – 15 Sep (usually)
Seasons in force
Peak crowds at 1 of South Korea's 3 well-known places this month.