Jeju Island Loftslag and Average Veður
Loftslag of Jeju Island: average temperatures, rainfall and seasons month by month.
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° | 126 mm | ★★★★☆ |
| október | 22° | 18° | 149 mm | ★★★☆☆ |
| nóvember | 16° | 11° | 182 mm | ★★★☆☆ |
| desember | 11° | 6° | 87 mm | ★★★☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
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 | 1377 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 | 1293 mm |
| Gyeongbokgung Palace | 455 km | 13°C | 4°C cooler | 1293 mm |
Loftslag by beach in Jeju Island
1 beaches mapped in this atlas
Best time til visit Jeju Island
Go in maí and september. 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.
What this means for Jeju Island
Today is about average for október. The forecast high of 21°C is in line með the 22°C typical for this month.
Rigning is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 22°C.
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- 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.
Samantekt
Jeju Island is an island in Suður-Kórea. Jeju Island is an island known for a volcanic island of waterfalls and trails.
Núna er hitinn 21°C (70°F) in Jeju Island með heiðskýrt. Hitinn finnst vera 22°C. Í dag er hitinn frá 14°C til 21°C. Líkur á úrkomu eru 0%. Sightseeing conditions score 9.7/10 - frábært — farðu núna.
Besti tíminn til að heimsækja Jeju Island is maí and september. Loftslagið er continental. janúar, febrúar and mars tend til be the least comfortable months. ágúst is the warmest month með average highs near 31°C, while janúar is the coldest með lows near 3°C.
The closest major airport is Incheon International Airport (ICN), about 440 km away. Nearby highlights include Hyeopjae Beach and Haeundae Beach.
Í einföldu máli. Today is about average for október. The forecast high of 21°C is in line með the 22°C typical for this month. The best window til be outside is roughly 1 PM til 4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Jeju Island today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Jeju Island
| Tegund | Island |
|---|---|
| Land | Suður-Kórea |
| Heimsálfa | Asía |
| Hnit | 33°29′58.6″N 126°31′52.3″E (33.4996, 126.5312) |
| Known for | a volcanic island of waterfalls and trails |
| Staðartími | 9:29 PM (UTC+09:00) |
| Best months | maí and september |
| Loftslag | Heimsálfaal |
Veður map for Jeju Island
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Explore Jeju Island
Every topic we hold for this place, and the same topic for the places around it.
Loftslag for related places
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 21°C (70°F) með heiðskýrt. Raki is 57% and wind is 9 km/h.
When is the best time til visit Jeju Island?
maí and september 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 9:29 PM.
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 15, 2026 at 9:29 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
