Best time to visit South Korea
General information
The best time to visit South Korea is during spring (April–May) or autumn (September–November), when the weather is mild, the humidity drops, and the country is at its most photogenic…think cherry blossoms in spring and fiery maple leaves in autumn. South Korea is a genuine four-season destination though, and each one gives you a completely different trip, so there’s a good case for visiting at any time of year, whether it’s catching the tail end of the ski season in a mountain resort or joining locals for a steaming bowl of soup on a snowy Seoul evening.
South Korea climate chart
Region Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Seoul & central Korea 4°C ☁️ 7°C 🌤️ 13°C 🌤️ 20°C ☀️ 24°C ☀️ 28°C ☀️ 30°C 🌧️ 31°C 🌧️ 27°C ☀️ 21°C ☀️ 13°C 🌤️ 6°C ☁️
Sokcho & Seoraksan 3°C ☁️ 6°C 🌤️ 11°C 🌤️ 17°C 🌤️ 21°C ☀️ 24°C ☀️ 26°C 🌧️ 27°C 🌧️ 24°C ☀️ 19°C ☀️ 12°C 🌤️ 6°C ☁️
Busan & Jeju 9°C 🌤️ 10°C 🌤️ 14°C ☀️ 19°C ☀️ 22°C ☀️ 24°C ☀️ 28°C 🌧️ 29°C 🌧️ 26°C ☀️ 22°C ☀️ 17°C 🌤️ 12°C 🌤️
Summer in South Korea
Summer, from June to August, is hot, humid and unmistakably monsoon season. The jangma (monsoon rains) usually arrive in late June or early July and stick around for a few weeks, bringing sudden downpours and sticky, high-humidity days where the temperature can push past 30°C in Seoul. It’s not all bad news though: this is peak season for Korea’s beaches and water parks, cities put on huge outdoor concerts and light shows, and Boryeong’s famously chaotic Mud Festival takes over the coast every July. Just pack a compact umbrella alongside your sun cream, and expect the odd day of sightseeing to move indoors.
Winter in South Korea
Winter, from December to February, brings crisp, dry, bitterly cold air down from Siberia – Seoul regularly drops below freezing, and the mountainous Gangwon province sees genuine snowfall, home to Korea’s best ski resorts. It’s a magical time to see palaces and temples dusted in snow, wander Seoul’s Christmas light displays, or warm up with street food and a bowl of budae-jjigae. Pack proper layers, thermals and a decent coat, especially if you’re heading inland or north, where the wind chill bites hardest.
South Korea's climate: what you need to know
South Korea has four distinct seasons, shaped by its position between the Asian mainland and the Pacific. Winters are cold and dry thanks to cold air sweeping down from Siberia, while summers are hot and humid as warm, moist air rolls in from the Pacific, the two seasons feel like different countries.
There’s also real regional variation across the places you’ll actually visit on a South Korea trip with us. Seoul and the historic inland towns of Jeonju, Gyeongju and Andong follow a classic four-season pattern, with cold winters and hot, humid summers. Up in Sokcho and Seoraksan National Park, on the northeast coast, it runs a touch cooler year-round, with genuine winter snow and some of the country’s best hiking conditions come autumn. Busan and Jeju Island, both in the south, are noticeably milder in winter and enjoy a longer, gentler shoulder season either side of summer — though Jeju is also the rainiest and windiest part of the country.
Spring also brings an unusual visitor: hwangsa, or “yellow dust,” fine sand blown in from the Gobi Desert and industrial regions further west. It typically affects March and April, sometimes creating a hazy sky and making the air quality worth checking if you have respiratory sensitivities, though it rarely disrupts sightseeing plans.
