SeasonScore
Ha Long Bay, Vietnam
Photo: Francesco Paroni Sterbini · CC BY 3.0

Vietnam

Ha Long Bay in January

🌦️ Shoulder (showers)

Pleasant and some showers. Watch for hazy air.

🎒 Pack: N95 mask for hazy days

Best months: Nov (9.0), Feb (8.9), Dec (8.8)

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Why January scores 8.4What goes into the score

How it works
🌡️ 21° / 13°C🌧️ 63 mm💧 dew pt 13°🍃 PM2.5 47
  • Weather comfort9.5
    • ✓Comfortable temperatures (20.5°C highs / 13.1°C lows)
    • ✓Slightly humid (dew point 13.2°C)
    • ✓Mostly dry (~63 mm rain)
  • Air quality4.3
    • !Unhealthy for sensitive groups (PM2.5 ~47 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut January side by side with another month
JanNov
Score8.4 Very good9.0 Excellent
Season🌦️ Shoulder (showers)☀️ Dry season
High / low21° / 13°25° / 19°
Rain63 mm44 mm
Humiditydew pt 13°dew pt 18°
PM2.547 µg/m³18 µg/m³

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

Holidays & crowdsJanuary 2027

Long weekend

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

  • New Year 1–3 Jan · 3 days off in a row

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

Explore Ha Long BayEvents, sights, food & souvenirs

Check event dates locally

A UNESCO-listed bay in northern Vietnam with thousands of limestone islands, best explored on an overnight boat cruise.

Events in January
Tết (Lunar New Year)Date variesLunar calendar — late Jan to mid-Feb, date moves each year

Vietnam's biggest holiday, when families gather and streets are decorated with flowers and red banners.

Why go: Many shops and restaurants close for several days and domestic travel is very busy, so book transport early.

Where: Ha Long and across Vietnam

Coming up later

National DayEvery year2 September every year

A national holiday marking Vietnam's declaration of independence.

Why go: Domestic travel is busy around the long weekend.

Where: Across Vietnam

Plan this tripTickets, data and transfers for Ha Long Bay

Airport transfer Kiwitaxi

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