Jeju Island Veður Spá
Jeju Island weather: 13°C, heiðskýrt. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Loftslag in Jeju Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 8° | 3° | 97 mm | ★★★☆☆ |
| febrúar | 9° | 4° | 155 mm | ★★☆☆☆ |
| mars | 13° | 7° | 178 mm | ★★★☆☆ |
| apríl | 18° | 12° | 159 mm | ★★★☆☆ |
| maí | 21° | 15° | 145 mm | ★★★★☆ |
| júní | 25° | 20° | 255 mm | ★★★☆☆ |
| júlí | 30° | 25° | 185 mm | ★★★☆☆ |
| ágúst | 31° | 26° | 175 mm | ★★★☆☆ |
| september | 28° | 24° | 161 mm | ★★★☆☆ |
| október | 22° | 18° | 136 mm | ★★★☆☆ |
| nóvember | 16° | 11° | 182 mm | ★★★☆☆ |
| desember | 11° | 6° | 87 mm | ★★★☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Best time til visit Jeju Island
Go in maí. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and mars - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Jeju Island
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Jeju Island compares með 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 | 1407 mm |
| Haeundae Beach | 304 km | 15°C | 2°C cooler | 1378 mm |
| Incheon International Airport | 440 km | 13°C | 4°C cooler | 1215 mm |
| Seoul | 454 km | 13°C | 4°C cooler | 1327 mm |
| Gyeongbokgung Palace | 455 km | 13°C | 4°C cooler | 1293 mm |
What til pack, what til skip
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and mars - historically the least comfortable months here.
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Jeju Island weather - more answers
Explore Jeju Island
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Jeju Island?
Jeju Island is an island in Suður-Kórea. Its coordinates are 33.4996, 126.5312. It lies in Asía.
What is the weather like in Jeju Island núna?
It is currently 13°C (56°F) með heiðskýrt. Raki is 57% and wind is 7 km/h.
When is the best time til visit Jeju Island?
maí offer the most comfortable conditions in Jeju Island, which has a continental climate. janúar, febrúar 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 3:39 AM.
What is the nearest airport til Jeju Island?
The closest airports are Incheon International Airport (ICN), 440 km away.
What are the top things til 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag 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 október 29, 2026 at 3:39 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
