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

Vietnam

Hanoi in October

🌧️ Rainy season

Warm, a little humid and often rainy. Watch for hazy air and tropical cyclone risk.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · N95 mask for hazy days

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

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Why October scores 7.1What goes into the score

How it works
🌡️ 30° / 23°C🌧️ 155 mm💧 dew pt 21°🍃 PM2.5 45
  • Weather comfort7.5
    • ✓Warm (30°C highs / 23°C lows)
    • !Humid (dew point 20.9°C)
    • !Wet: ~155 mm rain, ~4 heavy-rain days
  • Air quality4.5
    • !Unhealthy for sensitive groups (PM2.5 ~45 µg/m³)
  • Seasonal hazards8.5
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut October side by side with another month
OctNov
Score7.1 Good8.3 Very good
Season🌧️ Rainy season🌦️ Shoulder (showers)
High / low30° / 23°27° / 20°
Rain155 mm61 mm
Humiditydew pt 21°dew pt 18°
PM2.545 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 & crowdsOctober 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Vietnam this month.

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 October
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

Coming up later

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

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