Busan Weather & Climate: Best Time to Visit
The oceanic climate in Busan is characterized by warm summers and mild winters. In winter temperatures can drop below the freezing point at night. Rainy season is from April until September.
Busan is also known as the summer capital of South Korea, mainly because of the many tourists that the city attracts during this period. These tourists come mainly to enjoy the beautiful beaches.
Monthly Temperature in Busan
Visitors to Busan can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).
At night, temperatures range from around 24°C (75°F) in August to 1°C (34°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Busan
Busan is known for its substantial rain/snowfall, with annual precipitation reaching 1367 mm (54 in). Busan can be quite wet during July, receiving approximately 233 mm (9.2 in) of precipitation over 14 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 32 mm (1.3 in) of precipitation spread across 5 rainy days days. For more details, please visit our Busan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Busan
Busan experiences moderate variation in sunshine hours across the seasons. With 7.6 hours daily sunshine in May, it dips to 5.7 hours in September, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Busan by Month
The relative humidity is high throughout the year in Busan.
The city experiences its highest humidity in July, reaching 84%. In January, the humidity drops to its lowest level at 46%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Busan 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Busan
During April, May and October, Busan experiences its most favorable weather, with temperatures between 18°C (64°F) and 22°C (72°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 75 mm (3 in) and 123 mm (4.8 in).
Plan accordingly for June, July, August and September, when conditions bring the heaviest precipitation. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
