Jeju Island Κλίμα and Average Καιρός
Κλίμα of Jeju Island: average temperatures, rainfall and seasons month by month.
Κλίμα in Jeju Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Μήνας | Avg high | Avg low | Βροχήfall | Rating |
|---|---|---|---|---|
| Ιανουάριος | 8° | 3° | 97 mm | ★★★☆☆ |
| Φεβρουάριος | 9° | 4° | 155 mm | ★★☆☆☆ |
| Μάρτιος | 13° | 7° | 178 mm | ★★★☆☆ |
| Απρίλιος | 18° | 12° | 159 mm | ★★★☆☆ |
| Μάι | 21° | 15° | 145 mm | ★★★★☆ |
| Ιούνιος | 25° | 20° | 255 mm | ★★★☆☆ |
| Ιούλιος | 30° | 25° | 185 mm | ★★★☆☆ |
| Αύγουστος | 31° | 26° | 175 mm | ★★★☆☆ |
| Σεπτέμβριος | 28° | 24° | 126 mm | ★★★★☆ |
| Οκτώβριος | 22° | 18° | 149 mm | ★★★☆☆ |
| Νοέμβριος | 16° | 11° | 182 mm | ★★★☆☆ |
| Δεκέμβριος | 11° | 6° | 87 mm | ★★★☆☆ |
Κλίμα type: Ήπειροςal. Πηγή: Open-Meteo archive (ERA5).
Recent extremes in Jeju Island
Υψηλόest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Jeju Island compares με 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 |
Κλίμα by beach in Jeju Island
1 beaches mapped in this atlas
Καλύτερη εποχή για επίσκεψη Jeju Island
Go in Μάι and Σεπτέμβριος. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Ιανουάριος, Φεβρουάριος and Μάρτιος - expect the least comfortable mix of heat, cold or rain.
What this means for Jeju Island
Today is about average for Οκτώβριος. The forecast high of 21°C is in line με the 22°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 114 mm is forecast, which is enough έως soak trails and slow traffic.
Ορατότητα is down έως 1,7 km - use low beams and leave extra following distance. Ριπές έως 51 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 Ιούνιος έως Αύγουστος.
The gap between the warmest and coldest month averages 22°C.
What έως pack, what έως skip
- Layers - the daily swing is 13°C, so mornings feel nothing like afternoons
- 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 51 km/h.
- If your dates are flexible, avoid Ιανουάριος, Φεβρουάριος and Μάρτιος - historically the least comfortable months here.
Περίληψη
Jeju Island is an island in Νότια Κορέα. Jeju Island is an island known for a volcanic island of waterfalls and trails.
Αυτή τη στιγμή είναι 20°C (68°F) in Jeju Island με Βροχή. Η αισθητή θερμοκρασία είναι 20°C. Σήμερα η θερμοκρασία κυμαίνεται από 19°C έως 21°C. Η πιθανότητα βροχής είναι 100%. Sightseeing conditions score 4.7/10 - Οριακές.
Η καλύτερη εποχή για επίσκεψη στο Jeju Island is Μάι and Σεπτέμβριος. Το κλίμα είναι continental. Ιανουάριος, Φεβρουάριος and Μάρτιος tend έως be the least comfortable months. Αύγουστος is the warmest month με average highs near 31°C, while Ιανουάριος is the coldest με 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.
Με απλά λόγια. Today is about average for Οκτώβριος. The forecast high of 21°C is in line με the 22°C typical for this month. The best window έως be outside is roughly 8 AM έως 11 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Jeju Island today at 8.7/10. Ορατότητα is down έως 1,7 km - use low beams and leave extra following distance. Ριπές έως 51 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
| Τύπος | Island |
|---|---|
| Χώρα | Νότια Κορέα |
| Ήπειρος | Ασία |
| Συντεταγμένες | 33°29′58.6″N 126°31′52.3″E (33.4996, 126.5312) |
| Known for | a volcanic island of waterfalls and trails |
| Τοπική ώρα | 1:06 AM (UTC+09:00) |
| Best months | Μάι and Σεπτέμβριος |
| Κλίμα | Ήπειροςal |
Καιρός map for Jeju Island
Animated model layers. Pick a layer έως load it.
Animated layers by Άνεμοςy. 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.
Κλίμα for related places
Frequently asked questions
Where is Jeju Island?
Jeju Island is an island in Νότια Κορέα. Its coordinates are 33.4996, 126.5312. It lies in Ασία.
What is the weather like in Jeju Island τώρα?
It is currently 20°C (68°F) με Βροχή. Υγρασία is 92% and wind is 21 km/h.
When is the best time έως visit Jeju Island?
Μάι and Σεπτέμβριος offer the most comfortable conditions in Jeju Island, which has a continental climate. Ιανουάριος, Φεβρουάριος and Μάρτιος 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 1:06 AM.
What is the nearest airport έως Jeju Island?
The closest airports are Incheon International Airport (ICN), 440 km away.
What are the top things έως 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. |
|---|---|
| Πρόγνωση and observations | Open-Meteo (ECMWF and national models). |
| Ποιότητα αέρα and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Κλίμα 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 Οκτώβριος 25, 2026 at 1:06 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
