Busan Weather in May: What to Expect
In May, Busan averages highs of 22.2°C and lows of 13.3°C, with about 8 rainy days (~113 mm). Verdict: Good — comfortable — manageable 22.2°C days. That makes it the 3rd hottest of South Korea's 6 main cities this month.
Busan vs other South Korea cities in May
South Korea is not one climate. In May, Gyeongju runs to 24.6°C while Incheon sits at 20.5°C — a 4°C spread. Here is where Busan falls:
What to pack for Busan in May
With highs near 22.2°C and lows around 13.3°C, pack layers — a light jacket for mornings and evenings, a compact umbrella or rain shell.
Busan is on the coast — add swimwear; the water can feel cool for swimming this month.
What to do in Busan in May
May's weather suits sightseeing through the day. Top sights:
Public holidays in South Korea, May
- 2026-05-01 — Labour Day
- 2026-05-05 — Children's Day
- 2026-05-25 — Buddha's Birthday
- 2027-05-03 — Labour Day
- 2027-05-05 — Children's Day
- 2027-05-13 — Buddha's Birthday
Busan in May — FAQs
What is the weather like in Busan in May?
In May, Busan averages daytime highs of 22.2°C and overnight lows around 13.3°C, with roughly 8 rainy days and about 113 mm of rain across the month. Good — comfortable — manageable 22.2°C days.
Is May a good time to visit Busan?
Good — comfortable. May is comfortable enough for full-day sightseeing in Busan. Among South Korea's cities, Busan is the 3rd hottest this month.
What should I pack for Busan in May?
For May (13.3–22.2°C), pack layers — a light jacket for mornings and evenings, a compact umbrella or rain shell.
What is there to do in Busan in May?
Busan's main sights include Busan, Gaya Tumuli, Busan Al-Fatah Mosque. The weather suits visiting these comfortably through the day.
Are there public holidays in South Korea in May?
Yes — Labour Day (2026-05-01), Children's Day (2026-05-05), Buddha's Birthday (2026-05-25), Labour Day (2027-05-03), Children's Day (2027-05-05), Buddha's Birthday (2027-05-13). Sites can be busier or closed around these dates.
Busan weather by month: