When to go
The Best Time to Visit Busan
Month-by-month climate data for Busan, South Korea — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Busan— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
April–June, September–November. Mild beach weather without summer crowds and typhoon risk; cherry blossoms peak in early April.
Warmest in Busan: Aug (30°C / 86°F) · Coolest: Jan (7°C / 45°F) · Wettest: Jul (~20 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Busan climate, month by month
January
7° / -3°C
~5 rain days
Fair
February
9° / 0°C
~7 rain days
Fair
March
14° / 4°C
~8 rain days
Good
April
18° / 8°C
~7 rain days
Excellent
May
22° / 13°C
~9 rain days
Excellent
June
26° / 18°C
~12 rain days
Excellent
July
28° / 23°C
~20 rain days
Good
August
30° / 24°C
~20 rain days
Fair
September
26° / 20°C
~13 rain days
Excellent
October
21° / 12°C
~6 rain days
Excellent
November
15° / 5°C
~4 rain days
Excellent
December
7° / -2°C
~2 rain days
Fair
Plan around it
Dates locked in? Start from the Busan travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.