South Korea Weather
🇰🇷 2 cities covered · Asia
· humid subtropical climate
Warmest city
Busan
Coolest city
Seoul
Sunniest city
Seoul
Best time to visit
April to June
Weather in South Korea at a glance
Weather in South Korea spans a single dominant humid subtropical climate across the 2 cities we cover. Busan is typically the warmest spot, averaging 58°F (14°C) across the year, while Seoul runs coolest at 53°F (12°C) - A spread of about 4°F (2°C).
Quick facts
- Warmest city: Busan - annual average 58°
- Coolest city: Seoul - annual average 53°
- Sunniest city: Seoul (8.6 h sun/day)
- Best time to visit: April to June
- Climate type: humid subtropical
The bigger picture
For sunshine, Seoul leads with about 8.6 hours of sun per day on average. Busan is the wettest of the covered cities, collecting roughly 1539 mm (60.6 inches) of precipitation a year, and Seoul sees the most snow, around 5 snowy days annually. Averaged across the country's covered cities, April to June brings the most comfortable mix of temperature, dry days and daylight.
Live weather across South Korea today
South Korea cities compared
South Korea weather by month
| Month | Avg high | Avg low | Rainy days | Sunshine |
|---|---|---|---|---|
| January | 40° | 25° | 4 | 7.8 h/day |
| February | 44° | 28° | 5 | 8.4 h/day |
| March | 54° | 36° | 7 | 8.9 h/day |
| April | 63° | 46° | 8 | 9.1 h/day |
| May | 72° | 55° | 8 | 9.9 h/day |
| June | 78° | 64° | 10 | 9.4 h/day |
| July | 82° | 72° | 16 | 8.4 h/day |
| August | 84° | 74° | 15 | 9.6 h/day |
| September | 77° | 65° | 11 | 8.2 h/day |
| October | 67° | 52° | 6 | 8.3 h/day |
| November | 56° | 40° | 6 | 7.6 h/day |
| December | 42° | 27° | 4 | 7.5 h/day |
South Korea weather FAQs
What is the warmest city in South Korea?
Among the cities we cover, Busan is the warmest, averaging 58°F (14°C) across the year. Its hottest month is August, with highs near 84°F (29°C).
What is the coldest city in South Korea?
Seoul runs coldest, averaging 53°F (12°C) for the year; January lows average 20°F (-7°C).
What is the sunniest city in South Korea?
Seoul, with about 8.6 hours of sunshine per day averaged across the year.
When is the best time to visit South Korea?
Averaged across the covered cities, April to June offers the most comfortable combination of temperatures, drier days and daylight. Coastal, mountain and desert areas can differ - check each city's climate page for specifics.
Does it snow in South Korea?
Yes - 1 of the 2 covered cities see regular snowfall. Seoul gets the most, about 5 snowy days in a typical year.
What is the climate of South Korea like?
The covered cities fall under humid subtropical climate. That means hot, humid summers and generally mild winters.