The temperatures in Jeju in April are usually low and can range between 11°C and 15°C.
You can expect about 3 to 8 days of rain in Jeju during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Jeju in April 2026.
If you’re planning to visit Jeju in the near future, we highly recommend that you review the 14 day weather forecast for Jeju before you arrive.
Temperatures
15° / 11°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
147
mm
Sun Hours
9.4
Hrs