Jeju weather in March
March in Jeju: cool, rainy — a good time to visit.
#8 of 12 months in Jeju · #488 of 604 destinations to visit in March · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Jeju climate normals — March
| Daytime high | 14°C / 57°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 83 mm / 3.3 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 12 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 70 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Jeju in March — FAQ
- Is March a good time to visit Jeju?
- March in Jeju: cool, rainy — a good time to visit. It ranks #8 of 12 months for Jeju on SeasonMap's comfort score (64/100).
- What is the weather like in Jeju in March?
- In March, Jeju averages a daily high of 13.9°C and a low of 9.3°C, with about 82.7 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Jeju in March?
- Jeju has a mean US Air Quality Index of about 70 in March.