South Korea · tool
Best time to visit Seoul
Month-by-month weather, crowds, prices, and festival calendar — so you know exactly when to book.
Best time to visit Seoul, South Korea
Month-by-month breakdown of weather, crowds, prices, and seasonal highlights.
| Month | Score | Weather | Crowds | Prices | Highlights |
|---|---|---|---|---|---|
| January | -8-1°C, dry and very cold with occasional snow | low | low |
⚠ Extreme cold can limit outdoor activities. | |
| February | -5-4°C, cold with increasing daylight | low | low |
⚠ Lunar New Year can cause some transport disruptions if dates fall in Feb. | |
| March | 2-12°C, cool and crisp with a chance of lingering cold | moderate | moderate |
⚠ Weather can be unpredictable, with potential for late snow. | |
| April | 8-19°C, mild and pleasant with abundant sunshine | high | high |
⚠ Cherry blossoms are highly weather-dependent and can peak earlier or later. | |
| May | 13-23°C, warm and sunny with occasional light rain | high | high |
⚠ May 5th is Children's Day, a public holiday; expect local family crowds. | |
| June | 18-27°C, warm and humid with increasing rain showers | moderate | moderate |
⚠ The monsoon season (Jangma) typically begins in late June. | |
| July | 22-30°C, hot and very humid with frequent heavy rainfall | high | high |
⚠ Peak monsoon season; expect typhoons and significant disruption. | |
| August | 23-31°C, hot and humid with lingering monsoon rains | high | high |
⚠ Still within the typhoon season; humidity can be oppressive. | |
| September | 17-26°C, clear skies and pleasant temperatures after the monsoon | moderate | moderate |
⚠ Chuseok is a major holiday; many smaller shops and restaurants may close for 2-3 days. | |
| October | 11-21°C, cool and dry with abundant sunshine | high | high |
⚠ One of the most popular months; book accommodations well in advance. | |
| November | 5-14°C, cool to chilly with increasing cloud cover | moderate | moderate |
⚠ Temperatures drop significantly towards the end of the month. | |
| December | -3-5°C, cold and dry with potential for snow | high | high |
⚠ High prices due to holiday season; cold weather requires heavy layering. |
Annual events worth timing your trip around
A major traditional holiday with family gatherings, special foods, and ancestral rites. Dates vary.
Numerous festivals and events celebrating the blooming of cherry trees across the city, notably in Yeouido and Seokchon Lake.
A vibrant celebration of Buddha's birthday featuring elaborate lantern parades, cultural performances, and exhibitions.
A public holiday celebrating children, with many families visiting parks and amusement centers.
A harvest festival where families gather, share special foods like songpyeon, and visit ancestral hometowns. Dates vary.
An spectacular annual fireworks display held over the Han River, often attracting international teams.
The city is decorated with festive lights, and various events and markets pop up for the holiday season.
Insider timing tips
- •Avoid July and August if you dislike extreme heat, high humidity, and the potential for typhoon disruptions; prices are high despite the challenging weather.
- •Shoulder seasons (April-May and September-October) offer the best balance of pleasant weather and manageable crowds, but prices will be at their peak.
- •Major holidays like Seollal and Chuseok mean significant price hikes and potential closures for smaller businesses, though cultural events are abundant.
- •Late March and early November can offer glimpses of peak seasons (cherry blossoms and fall foliage, respectively) at slightly lower prices and crowds, but with more variable weather.
- •Winter (December-February) offers the lowest prices and fewest crowds outside of the Christmas/New Year period, but requires robust cold-weather gear.
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