Busan weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Busan, South Korea. Like most weather services, we show Busan at one spot: Busan, its largest city. Best months for weather: Oct–Nov.
Best Time to Visit
Peak season Oct–NovOff season Jul–Aug, Dec–Feb
Busan weather by month
When is the best time to visit Busan?
Based on weather alone, the best time to visit Busan is Oct–Nov, according to NASA's 2001–2025 climate averages. Jul–Aug, Dec–Feb tends to be the least pleasant. Average highs run from 6°C (42°F) in January to 28°C (82°F) in August.
What is the rainiest month in Busan?
July is the wettest month, with about 299 mm (11.8 in) of rain on average. January is the driest, with about 30 mm (1.2 in).
What is the hottest month in Busan?
August is the warmest, with average highs of 28°C (82°F) and lows of 24°C (74°F). January is the coolest, with highs of 6°C (42°F) and lows of -1°C (30°F).
Does Busan have a rainy season?
Yes. Jun–Sep is the rainy season (150 mm or more a month), while Nov–Feb is usually dry (under 60 mm).
Busan weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Busan), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Busan
Weather can differ a lot within Busan: coasts, hills and mountains each have their own climate.