Best Time to Visit Jeju Island
Best time to visit Jeju Island: May and September. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit Jeju Island
Go in May and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and March - expect the least comfortable mix of heat, cold or rain.
Climate in Jeju Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 47° | 38° | 3,8 in | ★★★☆☆ |
| February | 49° | 40° | 6,1 in | ★★☆☆☆ |
| March | 56° | 45° | 7,0 in | ★★★☆☆ |
| April | 65° | 54° | 6,3 in | ★★★☆☆ |
| May | 71° | 60° | 5,7 in | ★★★★☆ |
| June | 77° | 69° | 10,0 in | ★★★☆☆ |
| July | 86° | 78° | 7,3 in | ★★★☆☆ |
| August | 87° | 79° | 6,9 in | ★★★☆☆ |
| September | 82° | 75° | 5,0 in | ★★★★☆ |
| October | 72° | 64° | 5,9 in | ★★★☆☆ |
| November | 62° | 52° | 7,2 in | ★★★☆☆ |
| December | 52° | 42° | 3,4 in | ★★★☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
How Jeju Island compares with nearby places
Annual averages, and the difference against Jeju Island.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Busan | 186 mi | 58°F | 36°F cooler | 54 in |
| Haeundae Beach | 189 mi | 59°F | 35°F cooler | 54 in |
| Incheon International Airport | 274 mi | 55°F | 39°F cooler | 48 in |
| Seoul | 282 mi | 55°F | 40°F cooler | 51 in |
| Gyeongbokgung Palace | 283 mi | 55°F | 40°F cooler | 51 in |
Best time to visit each beach in Jeju Island
1 beaches mapped in this atlas
What to pack, what to skip
- 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 34 mph.
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
Summary
Jeju Island is an island in South Korea. Jeju Island is an island known for a volcanic island of waterfalls and trails.
Right now it is 71°F (21°C) in Jeju Island with partly cloudy. It feels like 71°F. Today runs from 61°F to 75°F. Chance of precipitation is 48%. Sightseeing conditions score 8.3/10 - good conditions.
The best time to visit Jeju Island is May and September. The climate is continental. January, February and March tend to be the least comfortable months. August is the warmest month with average highs near 87°F, while January is the coldest with lows near 38°F.
The closest major airport is Incheon International Airport (ICN), about 274 mi away. Nearby highlights include Hyeopjae Beach and Haeundae Beach.
In plain terms. Today is slightly warmer than average for October. The forecast high of 75°F is 3.1°F above the 72°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Jeju Island today at 9.1/10. Gusts to 34 mph will push high-sided vehicles on exposed roads and bridges.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Jeju Island right now
Source: Open-Meteo. Updated 6:34 AM, Oct 4 local time.
Weekend outlook
☁️ 75° / 61°
Overcast · 48% rain · wind 14 mph
🌦️ 75° / 66°
Drizzle · 51% rain · wind 10 mph
Things to do in Jeju Island
Attractions, parks and landmarks in and around Jeju Island.
Quick facts about Jeju Island
| Type | Island |
|---|---|
| Country | South Korea |
| Continent | Asia |
| Coordinates | 33°29′58.6″N 126°31′52.3″E (33.4996, 126.5312) |
| Known for | a volcanic island of waterfalls and trails |
| Local time | 6:34 AM (UTC+09:00) |
| Best months | May and September |
| Climate | Continental |
Explore Jeju Island
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is Jeju Island?
Jeju Island is an island in South Korea. Its coordinates are 33.4996, 126.5312. It lies in Asia.
What is the weather like in Jeju Island right now?
It is currently 71°F (21°C) with partly cloudy. Humidity is 73% and wind is 9 mph.
When is the best time to visit Jeju Island?
May and September offer the most comfortable conditions in Jeju Island, which has a continental climate. January, February and March 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 6:34 AM.
What is the nearest airport to Jeju Island?
The closest airports are Incheon International Airport (ICN), 274 mi away.
What are the top things to 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. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate 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 October 4, 2026 at 6:34 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
