SeasonMapGangneung weather in August
South Korea
August in Gangneung: warm, soaked, with muggy air — fine if you can take 20 rainy days.
#9 of 12 months in Gangneung · #1007 of 1383 destinations to visit in August · comfort 65/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gangneung in August
No notes yet. Open Gangneung on the map to add the first one.
Gangneung climate normals — August
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Sea temperature | 25°C / 78°F | 😎 warm sea |
| Rainfall | 317 mm / 12.5 in | ⛈ soaked |
| Rainy days | 20 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 13.6 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Gangneung in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsBeaches open, Summer break (yeoreum banghak) in South Korea, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Gangneung's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherGangneung's weather peaks April–June.
Best weatherFair weatherToughest weather
What's on in Gangneung in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Beaches open
1 Jul – 25 Aug · usuallySummer season opensCrowdedGyeongpo, Gangmun and Anmok run lifeguards and beach bars for about eight weeks and the train from Seoul sells out most weekends. Outside those weeks the sand is empty and nothing on it is open. Source ↗
Nearby, and something's on
Within 300 km of Gangneung — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Gangneung?
Gangneung in August — FAQ
- Is August a good time to visit Gangneung?
- August in Gangneung: warm, soaked, with muggy air — fine if you can take 20 rainy days. It ranks #9 of 12 months for Gangneung on SeasonMap's comfort score (65/100).
- What is the weather like in Gangneung in August?
- In August, Gangneung averages a daily high of 27°C and a low of 22.7°C, with about 316.7 mm of rain over roughly 19.6 rainy days.
- What is the air quality in Gangneung in August?
- Gangneung has a mean US Air Quality Index of about 55 in August.
Other months in Gangneung
Compare Gangneung in August
Warmer or cooler than Gangneung in August
Similar destinations in East Asia — August
Within 300 km: Busan's Beaches officially open around 1 Jul – 31 Aug.