SeasonScore

Vietnam

Hoi An in May

🌦️ Shoulder (showers)

Hot, humid and some showers.

🎒 Pack: light, breathable clothes & sunscreen · quick-dry fabrics · sunglasses & hat

Best months: Feb (9.0), Mar (8.6), Jan (8.5)

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Why May scores 7.6What goes into the score

How it works
🌡️ 33° / 26°C🌧️ 99 mm💧 dew pt 25°🍃 PM2.5 23
  • Weather comfort50%6.7
    • !Hot (32.8°C highs / 26.3°C lows)
    • !Very humid/sticky (dew point 24.8°C)
    • !Wet: ~99 mm rain, ~3 heavy-rain days
  • Air quality20%7.3
    • ✓Moderate (PM2.5 ~23 µg/m³)
  • Seasonal hazards20%10.0
    • ·No notable seasonal hazards
  • Safety baseline10%7.5
    • ·Increased caution
Compare monthsPut May side by side with another month
MayFeb
Score7.6 Very good9.0 Excellent
Season🌦️ Shoulder (showers)☀️ Dry season
High / low33° / 26°26° / 20°
Rain99 mm42 mm
Humiditydew pt 25°dew pt 20°
PM2.523 µg/m³17 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsMay 2027

Long weekend

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

  • International Labor Day 30 Apr – 3 May · 4 days off in a row

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

Explore Hoi AnEvents, sights, food & souvenirs

Check event dates locally

A well-preserved trading port in central Vietnam with a lantern-lit ancient town, tailors, river life and nearby beaches.

Events in May
Full Moon Lantern FestivalDate variesEvery lunar month on the 14th day, the evening before the full moon

Electric lights are dimmed and the old town is lit by lanterns.

Why go: Very popular; streets and the riverfront get crowded.

Where: Ancient Town

Coming up later

Flood seasonDate variesUsually October to November

Heavy central-coast rains can flood the old town's riverside streets.

Why go: Keep plans flexible and check local forecasts.

Where: Ancient Town and riverbanks

Tet (Lunar New Year)Date variesLunar calendar - late January to mid-February, date moves each year

Vietnam's biggest holiday, with decorations, family gatherings and festive events.

Why go: Some shops and tailors close for several days.

Where: Ancient Town