Best Time to Visit Seoul
Seoul is best visited All year, when conditions are at their most settled.
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Once you know the best time to go, find out exactly what to pack for Seoul at 247PackingList — climate-matched checklists for every destination. For country facts like currency, language and plug type, see our South Korea country guide at 247CountryInfo.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 2.4°C | -6.7°C | 30.6mm | 7.5h | 4 | 8/10 |
| February Best | 5.3°C | -4.7°C | 19.5mm | 8.6h | 4 | 10/10 |
| March Best | 12.4°C | 0.7°C | 52.9mm | 8.8h | 6 | 10/10 |
| April Best | 17.3°C | 6.1°C | 62.1mm | 9.4h | 6 | 10/10 |
| May Best | 22.2°C | 11.6°C | 128.7mm | 9.4h | 10 | 9/10 |
| June Best | 26.3°C | 17.8°C | 193.2mm | 8.8h | 13 | 9/10 |
| July Best | 28.7°C | 21.8°C | 274.8mm | 8.4h | 18 | 8/10 |
| August Best | 28.4°C | 22.1°C | 401.9mm | 7.9h | 20 | 8/10 |
| September Best | 25.0°C | 17.1°C | 195.8mm | 8.4h | 10 | 9/10 |
| October Best | 18.2°C | 8.8°C | 74.9mm | 8.4h | 7 | 10/10 |
| November Best | 11.5°C | 1.8°C | 72.3mm | 7.4h | 7 | 10/10 |
| December Best | 2.7°C | -6.0°C | 26.6mm | 7.2h | 4 | 8/10 |
Seoul Climate
Seoul has a continental climate — hot summers, cold winters and moderate rainfall. Check the annual climate overview for Seoul for the full year picture, or read the dedicated Seoul rainy season guide.
Counting down to your trip? Use our holiday countdown timer at LeftToTime to track the days. Owners often keep a Seoul travel guide to hand for planning on the go. Check clothing sizes in South Korea at 247Sizing before you shop.
Frequently Asked Questions
What is the best month to visit Seoul?
The best month to visit Seoul is January, when temperatures average 2.4°C and conditions score 8/10 for comfort.
What is the weather like in Seoul in January?
January in Seoul is very cold, with average highs of 2.4°C and lows of -6.7°C. It is mostly dry with only occasional showers, with roughly 7.5 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal.
When is rainy season in Seoul?
Rainy season in Seoul runs May, June, July, August, September. Expect heavy downpours and high humidity. Full rainy season guide →
Is Seoul good to visit in winter?
Yes — winter (December, January, February) averages 2.4°C highs with a 8/10 comfort rating, making it a solid time to visit.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.