Jeju Island Väder Prognos
Jeju Island weather: 25°C, delvis molnigt. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Jeju Island weather in januari
A workable month, med trade-offs.
januari runs 11°C cooler than the annual average in Jeju Island.
Compare med december.
Väder map for Jeju Island
Animated model layers. Pick a layer och load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klimat in Jeju Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 8° | 3° | 97 mm | ★★★☆☆ |
| februari | 9° | 4° | 155 mm | ★★☆☆☆ |
| mars | 13° | 7° | 178 mm | ★★★☆☆ |
| april | 18° | 12° | 159 mm | ★★★☆☆ |
| maj | 21° | 15° | 145 mm | ★★★★☆ |
| juni | 25° | 20° | 255 mm | ★★★☆☆ |
| juli | 30° | 25° | 185 mm | ★★★☆☆ |
| augusti | 30° | 26° | 147 mm | ★★★☆☆ |
| september | 28° | 24° | 169 mm | ★★★☆☆ |
| oktober | 22° | 18° | 149 mm | ★★★☆☆ |
| november | 16° | 11° | 182 mm | ★★★☆☆ |
| december | 11° | 6° | 87 mm | ★★★☆☆ |
Klimat type: Kontinental. Källa: Open-Meteo archive (ERA5).
Bästa tiden att besöka Jeju Island
Go in maj. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and mars - expect the least comfortable mix of heat, cold or rain.
What och pack, what och skip
- sönglasses, a brimmed hat and SPF 30+
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 58 km/h.
- If your dates are flexible, avoid januari, februari and mars - historically the least comfortable months here.
How Jeju Island compares med nearby places
Annual averages, and the difference against Jeju Island.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Busan | 299 km | 15°C | 2°C cooler | 1405 mm |
| Haeundae Beach | 304 km | 15°C | 2°C cooler | 1425 mm |
| Incheon International Airport | 440 km | 13°C | 4°C cooler | 1269 mm |
| Seoul | 454 km | 13°C | 4°C cooler | 1337 mm |
| Gyeongbokgung Palace | 455 km | 13°C | 4°C cooler | 1337 mm |
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 25°C (77°F) med delvis molnigt. Luftfuktighet is 74% and wind is 26 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 2:15 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.
Related articles
Data sources and methodology
| 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 2:15 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
