Jeju weather in June
June in Jeju: warm, soaked, with very humid — a great time to visit.
#4 of 12 months in Jeju · #371 of 604 destinations to visit in June · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Jeju climate normals — June
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 161 mm / 6.3 in | ⛈ soaked |
| Rainy days | 10 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 9 h/day | |
| Daylight | 14.3 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 68 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Jeju?
Loading map…
Jeju in June — FAQ
- Is June a good time to visit Jeju?
- June in Jeju: warm, soaked, with very humid — a great time to visit. It ranks #4 of 12 months for Jeju on SeasonMap's comfort score (77/100).
- What is the weather like in Jeju in June?
- In June, Jeju averages a daily high of 24.2°C and a low of 20.7°C, with about 161 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Jeju in June?
- Jeju has a mean US Air Quality Index of about 68 in June.