Jeju Island Väder Prognos
Jeju Island weather: 24°C, delvis molnigt. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Risk assessment for Jeju Island
Derived from the current forecast window - not an official warning.
Peak gusts of 64 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 33 mm, 101 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Jeju Island
Derived from the forecast. No official alert feed is wired for this country yet.
16-day forecast for Jeju Island
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| tor, sep 17 | ☁️ Mulet | 25° / 21° | 100% | 28 km/h | 3 |
| fre, sep 18 | 🌧️ Heavy rain | 23° / 22° | 100% · 33 mm | 30 km/h | 1 |
| lör, sep 19 | 🌦️ Light drizzle | 25° / 22° | 75% · 1 mm | 23 km/h | 4 |
| sön, sep 20 | ⛅ Delvis molnigt | 25° / 21° | 27% | 17 km/h | 7 |
| mån, sep 21 | ☀️ Klart | 25° / 20° | 4% | 6 km/h | 7 |
| tis, sep 22 | ⛅ Delvis molnigt | 26° / 20° | 2% | 22 km/h | 7 |
| ons, sep 23 | ☁️ Mulet | 25° / 19° | 8% | 17 km/h | 7 |
| tor, sep 24 | ☁️ Mulet | 25° / 21° | 12% | 14 km/h | 6 |
| fre, sep 25 | 🌦️ Light drizzle | 25° / 22° | 34% · 2 mm | 12 km/h | 7 |
| lör, sep 26 | 🌦️ Light drizzle | 29° / 22° | 63% · 1 mm | 20 km/h | 7 |
| sön, sep 27 | 🌧️ Skurar | 26° / 22° | 63% · 25 mm | 24 km/h | 4 |
| mån, sep 28 | 🌦️ Light showers | 24° / 20° | 41% · 9 mm | 5 km/h | 7 |
| tis, sep 29 | 🌧️ Skurar | 22° / 19° | 29% · 29 mm | 14 km/h | 7 |
| ons, sep 30 | ⛅ Delvis molnigt | 22° / 17° | 29% | 14 km/h | 7 |
| tor, okt 1 | ☁️ Mulet | 22° / 16° | 22% | 15 km/h | 6 |
| fre, okt 2 | ☁️ Mulet | 23° / 19° | 23% | 11 km/h | 1 |
What this means for Jeju Island
Today is slightly cooler than average for september. The forecast high of 25°C is 3°C below the 28°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives.
Vindbyar och 64 km/h 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 juni och augusti.
The gap between the warmest and coldest month averages 22°C.
Se prognosen för Jeju Island per tidsintervall
Jeju Island weather - more answers
Explore Jeju Island
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is Jeju Island?
Jeju Island is an island in Sydkorea. Its coordinates are 33.4996, 126.5312. It lies in Asien.
What is the weather like in Jeju Island just nu?
It is currently 24°C (75°F) med delvis molnigt. Luftfuktighet is 77% and wind is 24 km/h.
When is the best time och visit Jeju Island?
maj offer the most comfortable conditions in Jeju Island, which has a continental climate. januari, februari and mars 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 5:42 PM.
What is the nearest airport och Jeju Island?
The closest airports are Incheon International Airport (ICN), 440 km away.
What are the top things och 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.
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| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat 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 september 17, 2026 at 5:42 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
