Seongsan Ilchulbong
South Korea UNESCO World Heritage Site
Seongsan Ilchulbong is a mountain and protected area in Jeju Province. It is a Natural Monument of South Korea and is part of the Jeju Volcanic Island and Lava Tubes UNESCO World Heritage Site. It is one of the 61 sights on this site and is the 16th most looked-up sight in South Korea on English Wikipedia.
Planning a visit
The mountain is 456 km from Seoul. Travelers can reach the area via Jeju International Airport, which is 42 km away in Jeju City. The site is open daily from 05:00 to 19:00.
The wettest months are July and August, with about 18 and 16 rainy days and average temperatures of 25 °C and 27 °C. For drier and cooler weather, October and December are good options, as December has about 6 rainy days and an average temperature of 10 °C. Other nearby locations include Manjanggul, 17.8 km away, Samseonghyeol, 38.7 km away, and Love Land, 42 km away. Visitors can also combine a visit with the Jeju Volcanic Island and Lava Tubes, which is 39.5 km away from this mountain.
Weather by month
The warmest month is August, averaging 27 °C. The wettest is August, with about 307 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average temperature, °C | 7 | 8 | 10 | 14 | 17 | 21 | 25 | 27 | 24 | 19 | 14 | 10 |
| Rainfall, mm | 72 | 76 | 124 | 142 | 154 | 244 | 274 | 307 | 236 | 90 | 80 | 57 |
| Rainy days | 7 | 7 | 9 | 9 | 10 | 12 | 18 | 16 | 14 | 7 | 8 | 6 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
