Seoul: weather and best time to visit
Seoul (South Korea) reaches its warmest daytime temperatures in August at around 29°C; the coolest month is January at around 2°C.
Best time to visit
- 🏖 Beach
- 🏛 City trip
- 🥾 Hiking
Things to do in Seoul
Tours, tickets and activities for your trip.
Seoul climate, month by month
| Month | Day °C | Night °C | Sea °C | Rain d | Sun h | Beach | City | Hiking |
|---|---|---|---|---|---|---|---|---|
| Jan | 2° | -7° | – | 4 | 8 | 63 | 50 | 50 |
| Feb | 5° | -5° | – | 4 | 9 | 66 | 50 | 60 |
| Mar | 10° | 0° | – | 6 | 9 | 64 | 47 | 79 |
| Apr | 17° | 5° | – | 7 | 10 | 62 | 71 | 85 |
| May | 22° | 12° | – | 8 | 10 | 74 | 84 | 84 |
| Jun | 26° | 17° | – | 9 | 10 | 84 | 81 | 65 |
| Jul | 28° | 21° | – | 17 | 8 | 68 | 59 | 43 |
| Aug | 29° | 22° | – | 16 | 9 | 72 | 59 | 43 |
| Sep | 25° | 16° | – | 8 | 9 | 79 | 84 | 73 |
| Oct | 19° | 9° | – | 5 | 9 | 70 | 84 | 89 |
| Nov | 11° | 2° | – | 7 | 8 | 55 | 44 | 76 |
| Dec | 4° | -5° | – | 5 | 8 | 59 | 46 | 52 |
Rain d = average rain days per month · Sun h = average sunshine hours per day · scores 0–100, higher is better.
Every month in detail
Seoul in January
Daytime highs around 2°C, nights near -7°C. January is the coldest month of the year. It is also the driest month of the year. Expect about 4 rain days and 8 hours of sunshine per day.
Beach: goodCity: mixedHiking: mixedMore destinations for January →
Seoul in February
Daytime highs around 5°C, nights near -5°C. Expect about 4 rain days and 9 hours of sunshine per day.
Beach: goodCity: mixedHiking: goodMore destinations for February →
Seoul in March
Daytime highs around 10°C, nights near 0°C. Expect about 6 rain days and 9 hours of sunshine per day.
Beach: goodCity: mixedHiking: goodMore destinations for March →
Seoul in April
Daytime highs around 17°C, nights near 5°C. No month gets more sunshine. Expect about 7 rain days and 10 hours of sunshine per day.
Beach: goodCity: goodHiking: excellentMore destinations for April →
Seoul in May
Daytime highs around 22°C, nights near 12°C. Expect about 8 rain days and 10 hours of sunshine per day.
Beach: goodCity: excellentHiking: excellentMore destinations for May →
Seoul in June
Daytime highs around 26°C, nights near 17°C. Expect about 9 rain days and 10 hours of sunshine per day.
Beach: excellentCity: excellentHiking: goodMore destinations for June →
Seoul in July
Daytime highs around 28°C, nights near 21°C. It is the rainiest month of the year. Expect about 17 rain days and 8 hours of sunshine per day.
Beach: goodCity: mixedHiking: mixedMore destinations for July →
Seoul in August
Daytime highs around 29°C, nights near 22°C. August is the warmest month of the year. Expect about 16 rain days and 9 hours of sunshine per day.
Beach: goodCity: mixedHiking: mixedMore destinations for August →
Seoul in September
Daytime highs around 25°C, nights near 16°C. Expect about 8 rain days and 9 hours of sunshine per day.
Beach: goodCity: excellentHiking: goodMore destinations for September →
Seoul in October
Daytime highs around 19°C, nights near 9°C. Expect about 5 rain days and 9 hours of sunshine per day.
Beach: goodCity: excellentHiking: excellentMore destinations for October →
Seoul in November
Daytime highs around 11°C, nights near 2°C. Expect about 7 rain days and 8 hours of sunshine per day.
Beach: mixedCity: mixedHiking: goodMore destinations for November →
Seoul in December
Daytime highs around 4°C, nights near -5°C. Expect about 5 rain days and 8 hours of sunshine per day.
Beach: mixedCity: mixedHiking: mixedMore destinations for December →
Related destinations
More in South Korea: Jeju
Similar climate: Kyoto, Japan · Moab, United States · Beijing, China · Rome, Italy