Seoul: weather and best time to visit
Seoul (South Korea) reaches its warmest daytime temperatures in August at around 28°C; the coolest month is January at around 1°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 | 1° | -7° | – | 3 | 8 | 62 | 49 | 49 |
| Feb | 4° | -5° | – | 4 | 8 | 63 | 49 | 58 |
| Mar | 10° | -1° | – | 6 | 9 | 63 | 46 | 77 |
| Apr | 17° | 5° | – | 8 | 9 | 61 | 70 | 83 |
| May | 22° | 11° | – | 7 | 9 | 75 | 85 | 84 |
| Jun | 26° | 17° | – | 8 | 9 | 84 | 83 | 67 |
| Jul | 28° | 21° | – | 19 | 8 | 67 | 59 | 43 |
| Aug | 28° | 22° | – | 18 | 9 | 74 | 60 | 44 |
| Sep | 24° | 16° | – | 8 | 8 | 77 | 83 | 74 |
| Oct | 18° | 9° | – | 6 | 9 | 66 | 80 | 87 |
| Nov | 10° | 2° | – | 8 | 7 | 52 | 40 | 72 |
| Dec | 3° | -5° | – | 5 | 7 | 57 | 45 | 50 |
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 1°C, nights near -7°C. January is the coldest month of the year. It is also the driest month of the year. Expect about 3 rain days and 8 hours of sunshine per day.
Beach: goodCity: mixedHiking: mixedMore destinations for January →
Seoul in February
Daytime highs around 4°C, nights near -5°C. Expect about 4 rain days and 8 hours of sunshine per day.
Beach: goodCity: mixedHiking: mixedMore destinations for February →
Seoul in March
Daytime highs around 10°C, nights near -1°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 8 rain days and 9 hours of sunshine per day.
Beach: goodCity: goodHiking: excellentMore destinations for April →
Seoul in May
Daytime highs around 22°C, nights near 11°C. Expect about 7 rain days and 9 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 8 rain days and 9 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 19 rain days and 8 hours of sunshine per day.
Beach: goodCity: mixedHiking: mixedMore destinations for July →
Seoul in August
Daytime highs around 28°C, nights near 22°C. August is the warmest month of the year. Expect about 18 rain days and 9 hours of sunshine per day.
Beach: goodCity: goodHiking: mixedMore destinations for August →
Seoul in September
Daytime highs around 24°C, nights near 16°C. Expect about 8 rain days and 8 hours of sunshine per day.
Beach: goodCity: excellentHiking: goodMore destinations for September →
Seoul in October
Daytime highs around 18°C, nights near 9°C. Expect about 6 rain days and 9 hours of sunshine per day.
Beach: goodCity: excellentHiking: excellentMore destinations for October →
Seoul in November
Daytime highs around 10°C, nights near 2°C. Expect about 8 rain days and 7 hours of sunshine per day.
Beach: mixedCity: mixedHiking: goodMore destinations for November →
Seoul in December
Daytime highs around 3°C, nights near -5°C. Expect about 5 rain days and 7 hours of sunshine per day.
Beach: mixedCity: mixedHiking: mixedMore destinations for December →
Related destinations
More in South Korea: Jeju
Similar climate: Kyoto, Japan · Beijing, China · Moab, United States · Rome, Italy