Seoul weather in June
June in Seoul: hot, rainy, with very humid — a great time to visit.
#4 of 12 months in Seoul · #363 of 604 destinations to visit in June · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Seoul climate normals — June
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 138 mm / 5.4 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 14.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 86 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Seoul in June — FAQ
- Is June a good time to visit Seoul?
- June in Seoul: hot, rainy, with very humid — a great time to visit. It ranks #4 of 12 months for Seoul on SeasonMap's comfort score (78/100).
- What is the weather like in Seoul in June?
- In June, Seoul averages a daily high of 26.6°C and a low of 18°C, with about 138.1 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Seoul in June?
- Seoul has a mean US Air Quality Index of about 86 in June.