What to expect in Jeju Island in April
April is one of the best times to visit Jeju Island. Expect 17° / 10°, the biggest crowds of the year and prices close to the yearly average.
Jeju Island weather in April
Typical conditions in Jeju Island during April, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 17°C 63°F |
|---|---|
| Average low | 10°C 50°F |
| Rainfall | Moderate 30/100 |
| Total rainfall | 90 mm3.5 in |
| Rainy days | 9 |
| Sea temperature | 14°C 58°F |
| Daylight | 13 h 1 min |
| How it feels | Mild — layers weather |
Average highs sit around 17°C with lows near 10°C. It is one of the drier months — pack light.
Crowds & demand
Crowd levels are High for Jeju Island — the biggest crowds of the year.
Prices & value
This month counts as shoulder season: prices close to the yearly average.
What to pack
Layers you can shed: 17°C by day and about 10°C after dark is a two-jacket kind of month.
What it costs
Costs in April sit around the yearly average for Jeju Island — neither a bargain nor a squeeze. Booking a few weeks out is usually enough. Compared with the most expensive month of the year, you are looking at roughly 11% less.
Who this month suits
- Travellers who want the most reliable weather
- Anyone travelling on a budget
- Visitors who want to catch a festival
Events & what’s on
Look out for Canola and Cherry Blossom Season while you’re there.
- Canola and Cherry Blossom Season — Yellow canola fields and pink cherry blossoms bloom together across the island's coast roads.
Jeju Island in April compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| February | 9° / 2° | Low | $ | 59 |
| March | 12° / 5° | Moderate | $$ | 58 |
| April · This month | 17° / 10° | High | $$ | 51 |
| May | 20° / 14° | Moderate | $$ | 61 |
| June | 24° / 18° | Moderate | $$ | 64 |
These months score higher for Jeju Island on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in April
If the destination is negotiable but the month is not, these places are at their best in April.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026


