SeasonScore
Hanoi, Vietnam
Photo: Nam-ho Park · CC BY 2.0

Vietnam

Hanoi in January

🌤️ Cool dry season

Pleasant and mostly dry. Watch for hazy air.

🎒 Pack: N95 mask for hazy days

Best months: Nov (8.3), Feb (7.8), Mar (7.5)

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Why January scores 6.9What goes into the score

How it works
🌡️ 20° / 14°C🌧️ 20 mm💧 dew pt 13°🍃 PM2.5 79
  • Weather comfort8.6
    • ✓Comfortable temperatures (20°C highs / 14°C lows)
    • ✓Slightly humid (dew point 13.3°C)
    • ✓Mostly dry (~20 mm rain)
    • !Grey, overcast skies (~85% cloud cover on average)
  • Air quality2.3
    • !Unhealthy (PM2.5 ~79 µg/m³) — score capped at 6.9
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut January side by side with another month
JanNov
Score6.9 Good8.3 Very good
Season🌤️ Cool dry season🌦️ Shoulder (showers)
High / low20° / 14°27° / 20°
Rain20 mm61 mm
Humiditydew pt 13°dew pt 18°
PM2.579 µg/m³37 µg/m³

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

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 HanoiEvents, sights, food & souvenirs

Check event dates locally

Vietnam's capital, with a lakeside centre, a busy Old Quarter, French colonial buildings, ancient temples and an outstanding street food culture.

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

Vietnam's biggest holiday, with flower markets, family visits and temple outings.

Why go: Many shops and restaurants close for several days; transport is heavily booked.

Where: Citywide

Coming up later

Perfume Pagoda FestivalDate variesLunar calendar - usually from the 6th day of the 1st month into spring

A major pilgrimage to a complex of cave temples reached by boat through limestone scenery.

Why go: Expect huge crowds, especially in the first weeks.

Where: Huong Pagoda, south-west of Hanoi

National DayEvery year2 September every year

Marks Vietnam's declaration of independence in 1945, with flags and official celebrations.

Why go: A public holiday; the mausoleum area may be closed to visitors.

Where: Ba Dinh Square and citywide

Mid-Autumn FestivalDate variesLunar calendar - usually September or early October

A children's festival with lanterns, lion dances and mooncakes.

Why go: Hang Ma street is packed with lantern stalls in the weeks before.

Where: Hang Ma street and the Old Quarter