Jeju Island Klima and Average Vær
Klima of Jeju Island: average temperatures, rainfall and seasons month by month.
Klima in Jeju Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 8° | 3° | 97 mm | ★★★☆☆ |
| februar | 9° | 4° | 155 mm | ★★☆☆☆ |
| mars | 13° | 7° | 178 mm | ★★★☆☆ |
| april | 18° | 12° | 159 mm | ★★★☆☆ |
| mai | 21° | 15° | 145 mm | ★★★★☆ |
| juni | 25° | 20° | 255 mm | ★★★☆☆ |
| juli | 30° | 25° | 185 mm | ★★★☆☆ |
| august | 31° | 26° | 175 mm | ★★★☆☆ |
| september | 28° | 24° | 126 mm | ★★★★☆ |
| oktober | 22° | 18° | 149 mm | ★★★☆☆ |
| november | 16° | 11° | 182 mm | ★★★☆☆ |
| desember | 11° | 6° | 87 mm | ★★★☆☆ |
Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Jeju Island
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 | 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 |
Klima by beach in Jeju Island
1 beaches mapped in this atlas
Beste tid å besøke Jeju Island
Go in mai and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and mars - expect the least comfortable mix of heat, cold or rain.
What this means for Jeju Island
Today is about average for oktober. The forecast high of 21°C is in line med the 22°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives.
Vindkast til 54 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 til august.
The gap between the warmest and coldest month averages 22°C.
What til pack, what til 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 54 km/h.
- If your dates are flexible, avoid januar, februar and mars - historically the least comfortable months here.
Sammendrag
Jeju Island is an island in Sør-Korea. Jeju Island is an island known for a volcanic island of waterfalls and trails.
Akkurat nå er det 21°C (70°F) in Jeju Island med delvis skyet. Det føles som 21°C. I dag varierer temperaturen mellom 19°C til 21°C. Sannsynligheten for nedbør er 100%. Sightseeing conditions score 5.7/10 - greit — planlegg etter været.
Beste tidspunkt å besøke Jeju Island is mai and september. Klimaet er continental. januar, februar and mars tend til be the least comfortable months. august is the warmest month med average highs near 31°C, while januar is the coldest med 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.
Kort sagt. Today is about average for oktober. The forecast high of 21°C is in line med the 22°C typical for this month. The best window til be outside is roughly 2 PM til 5 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Jeju Island today at 8.9/10. Vindkast til 54 km/h will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Jeju Island
Vær map for Jeju Island
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. 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.
Klima for related places
Frequently asked questions
Where is Jeju Island?
Jeju Island is an island in Sør-Korea. Its coordinates are 33.4996, 126.5312. It lies in Asia.
What is the weather like in Jeju Island akkurat nå?
It is currently 21°C (70°F) med delvis skyet. Luftfuktighet is 81% and wind is 18 km/h.
When is the best time til visit Jeju Island?
mai and september offer the most comfortable conditions in Jeju Island, which has a continental climate. januar, februar 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 7:47 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 oktober 26, 2026 at 7:47 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
