SeasonScore
Busan, South Korea
Photo: Andrewssi2 · CC BY-SA 3.0

South Korea

Busan in May

🌷 Spring

Pleasant and often rainy.

🎒 Pack: compact umbrella or rain jacket

Best months: Oct (9.0), Nov (8.9), Apr (8.6)

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Why May scores 8.6What goes into the score

How it works
🌡️ 22° / 15°C🌧️ 156 mm💧 dew pt 14°🍃 PM2.5 21
  • Weather comfort8.6
    • ✓Comfortable temperatures (22°C highs / 15°C lows)
    • ✓Slightly humid (dew point 14.3°C)
    • !Wet: ~156 mm rain, ~6 heavy-rain days
  • Air quality7.5
    • ✓Moderate (PM2.5 ~21 µg/m³)
  • Seasonal hazards9.5
    • !Flood: ~6 heavy-rain days in an average May
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut May side by side with another month
MayOct
Score8.6 Excellent9.0 Excellent
Season🌷 Spring🍂 Autumn
High / low22° / 15°23° / 15°
Rain156 mm80 mm
Humiditydew pt 14°dew pt 15°
PM2.521 µg/m³13 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Busan weather-station normals. Rainfall: Busan weather-station normals (national met service).

Holidays & crowdsMay 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Labor Day 1–3 May · 3 days off in a row

Other public holidays: Children's Day (5 May) · Buddha's Birthday (13 May)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Busan

  • 2026 forecast: autumn leaves (southern Korea)2026 forecast
    Peak ~5–13 Nov 2026

    Forecast for Jirisan and the southern region; first colour 22 Oct–5 Nov.

    Source: Weather i 2026 autumn foliage forecast (4 Sep 2026)

  • Cherry blossomTypical dates
    First blooms ~28 Mar, full bloom about a week later

    Typical first-bloom date at the Busan weather-station tree (KMA 1991–2020 normal). In 2025 the first blooms came on 28 Mar; recent years have mostly been earlier than the normal. Weather i and KMA publish the next year's outlook in late February.

    Source: Weather i 2026 cherry blossom outlook (KMA normals and 2025 dates)

Explore BusanEvents, sights, food & souvenirs

Check event dates locally

South Korea's second city and largest port, known for beaches, seafood markets, hillside villages and temples on the coast.

Events in May
Haeundae Sand FestivalDate variesUsually late May or early June

Large sand sculptures and activities on the beach.

Why go: Free to visit.

Where: Haeundae Beach

Coming up later

Busan International Film FestivalDate variesUsually early October

One of Asia's most important film festivals.

Why go: Hotels near Haeundae are busy during the festival.

Where: Centum City and Haeundae

Busan Fireworks FestivalDate variesUsually autumn; date varies

A large fireworks show over Gwangan Bridge.

Why go: Crowds are huge; arrive very early or book a viewing spot.

Where: Gwangalli Beach

Plan this tripTickets, data and transfers for Busan

Airport transfer Kiwitaxi

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