When to Jeju
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January is the coldest month on Jeju, with cool temperatures and occasional strong winds, particularly along the coast. While milder than mainland Korea, it's still winter with the possibility of light snow at higher elevations on Hallasan Mountain. The consistent 70% humidity makes it feel slightly warmer than the actual temperature, but warm layers are essential.
February
February remains cool and is one of the quieter months for tourism on Jeju. The island begins its subtle transition toward spring, though temperatures are still chilly with persistent 70% humidity. This is an excellent time for budget travelers and those seeking solitude, with fewer crowds at major attractions.
March
March marks the beginning of spring with gradually warming temperatures and the first signs of blooming flowers, particularly Jeju's famous canola fields. The 70% humidity remains steady, and while still cool, the weather becomes more comfortable for outdoor exploration. It's an ideal time to visit before the peak tourist season begins.
April
April is one of Jeju's most beautiful months, with spring in full bloom and comfortable temperatures perfect for sightseeing. Cherry blossoms and canola flowers create stunning landscapes across the island. The 70% humidity is pleasant, and rainfall remains moderate, making it an excellent time for all outdoor activities.
May
May offers warm, pleasant weather that's ideal for exploring Jeju's diverse attractions, from beaches to mountain trails. The island is lush and green, with comfortable temperatures and the steady 70% humidity creating perfect conditions before the summer heat arrives. This is peak season for domestic tourists, particularly around Golden Week holidays.
June
June marks the beginning of summer and the monsoon season, with increasing rainfall and rising temperatures. The 70% humidity combined with warmer weather can feel muggy, but the island remains beautifully green. Early June is still pleasant, though the latter part of the month sees more frequent rain showers.
July
July is hot and humid with frequent rainfall as the monsoon season peaks. The 70% baseline humidity combines with high temperatures to create tropical conditions, though ocean breezes provide some relief. Despite the rain, this is popular for beach activities, as showers are often brief and intense rather than all-day events.
August
August is the warmest and one of the wettest months, with high humidity (70%) and frequent heavy rainfall. Typhoons are possible during this period, bringing strong winds and intense rain. Despite the weather challenges, it's peak summer vacation season for Korean tourists, with beaches and water activities remaining popular between storms.
September
September sees gradually decreasing temperatures and the tail end of the monsoon season, with still-significant rainfall early in the month. The 70% humidity persists, but conditions become more comfortable as autumn approaches. Late September is particularly pleasant, with fewer crowds and improving weather for outdoor activities.
October
October is one of Jeju's finest months, with comfortable temperatures, reduced rainfall, and beautiful autumn colors beginning to appear. The 70% humidity feels pleasant in the cooler temperatures, making it ideal for hiking Hallasan and exploring coastal areas. Clear skies are more common, offering excellent visibility for photography and sightseeing.
November
November brings cooler temperatures and the transition into winter, with autumn foliage at its peak in early November. The 70% humidity remains steady, and rainfall decreases significantly compared to summer months. It's a quieter time for tourism, offering good value and fewer crowds at major attractions.
December
December is cool and marks the beginning of winter on Jeju, with chilly winds particularly noticeable along the coast. The 70% humidity can make it feel colder than the actual temperature suggests. This is the quietest month for tourism, offering the best deals on accommodation but requiring warm clothing for outdoor activities.