Jeju Island Weather Forecast
Jeju Island weather: 70°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Jeju Island?
Yes - rain is likely in Jeju Island today.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives.
Over the next 7 days, about 1,3 in of precipitation is forecast, with the wettest days falling on Mon, Tue, Thu, Fri and Sun.
Rainfall over the next 7 days is close to normal for October (1,3 in against a typical 1,4 in).
16-day forecast for Jeju Island
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Oct 26 | 🌧️ Rain | 70° / 67° | 100% · 0,3 in | 19 mph | 2 |
| Tue, Oct 27 | ⛅ Partly cloudy | 67° / 56° | 88% | 21 mph | 5 |
| Wed, Oct 28 | ☁️ Overcast | 56° / 51° | 0% | 16 mph | 5 |
| Thu, Oct 29 | 🌦️ Light drizzle | 64° / 50° | 54% · 0,0 in | 5 mph | 2 |
| Fri, Oct 30 | 🌦️ Light showers | 66° / 62° | 88% · 0,4 in | 11 mph | 5 |
| Sat, Oct 31 | ⛅ Partly cloudy | 65° / 56° | 4% | 11 mph | 5 |
| Sun, Nov 1 | 🌦️ Light showers | 74° / 57° | 73% · 0,5 in | 17 mph | 4 |
| Mon, Nov 2 | 🌧️ Heavy drizzle | 67° / 49° | 75% · 0,2 in | 16 mph | 5 |
| Tue, Nov 3 | ☁️ Overcast | 54° / 48° | 7% | 12 mph | 5 |
| Wed, Nov 4 | ☀️ Clear sky | 58° / 51° | 14% | 10 mph | 4 |
| Thu, Nov 5 | ☁️ Overcast | 62° / 56° | 14% | 12 mph | 5 |
| Fri, Nov 6 | ⛅ Partly cloudy | 64° / 59° | 14% | 13 mph | 4 |
| Sat, Nov 7 | ☁️ Overcast | 67° / 55° | 25% | 10 mph | 1 |
| Sun, Nov 8 | 🌦️ Light drizzle | 67° / 52° | 20% · 0,1 in | 12 mph | 1 |
| Mon, Nov 9 | ☁️ Overcast | 57° / 49° | 18% | 16 mph | 4 |
| Tue, Nov 10 | ☁️ Overcast | 52° / 47° | 10% | 15 mph | 4 |
What this means for Jeju Island
Today is about average for October. The forecast high of 70°F is in line with the 72°F typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives.
Gusts to 34 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 72°F.
What to pack, what to skip
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 34 mph.
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
See the Jeju Island forecast by time range
Jeju Island weather - more answers
Explore Jeju Island
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Weather for related places
Frequently asked questions
Where is Jeju Island?
Jeju Island is an island in South Korea. Its coordinates are 33.4996, 126.5312. It lies in Asia.
What is the weather like in Jeju Island right now?
It is currently 70°F (21°C) with partly cloudy. Humidity is 81% and wind is 11 mph.
When is the best time to visit Jeju Island?
May and September offer the most comfortable conditions in Jeju Island, which has a continental climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Jeju Island in?
Jeju Island observes Asia/Seoul (UTC+09:00). The local time is 1:08 PM.
What is the nearest airport to Jeju Island?
The closest airports are Incheon International Airport (ICN), 274 mi away.
What are the top things to do in Jeju Island?
Popular options include Hyeopjae Beach and Haeundae Beach.
What places are in Jeju Island?
Jeju Island covers 1 places in this atlas, including Hyeopjae Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 26, 2026 at 1:08 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
