Jeju Temperature by Month

This graph shows the average minimum and maximum temperatures throughout the year in Jeju (Jeju Island), South Korea. The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.

Temperature patterns do vary with the seasons. In winter, the time of minimum and maximum temperatures can shift slightly compared to summer.

• On average, the warmest month is August with 29°C.
• On average, the coolest month is January with 9°C.
• The average annual maximum temperature is 19°C.
• The average annual minimum temperature is 14°C.