Jeju weather in April
April in Jeju: nice, rainy, with very humid — a great time to visit.
#5 of 12 months in Jeju · #408 of 604 destinations to visit in April · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Jeju climate normals — April
| Daytime high | 17°C / 62°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 81 mm / 3.2 in | 🌧 rainy |
| Rainy days | 7 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 13 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 71 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Jeju?
Loading map…
Jeju in April — FAQ
- Is April a good time to visit Jeju?
- April in Jeju: nice, rainy, with very humid — a great time to visit. It ranks #5 of 12 months for Jeju on SeasonMap's comfort score (74/100).
- What is the weather like in Jeju in April?
- In April, Jeju averages a daily high of 16.6°C and a low of 12.4°C, with about 80.7 mm of rain over roughly 7.4 rainy days.
- What is the air quality in Jeju in April?
- Jeju has a mean US Air Quality Index of about 71 in April.