The temperatures in Jeju in October are comfortable with low of 17°C and and high up to 20°C.
You can expect about 3 to 8 days of rain in Jeju during the month of October. 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 October 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
20° / 17°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
152
mm
Sun Hours
9.9
Hrs
