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

Vietnam

Hanoi in August

🌧️ Rainy season

Hot, humid and very wet. Watch for hazy air and tropical cyclone & flood risk.

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

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

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Why August scores 5.4What goes into the score

How it works
🌡️ 33° / 26°C🌧️ 274 mm💧 dew pt 26°🍃 PM2.5 58
  • Weather comfort5.1
    • !Hot (33°C highs / 26°C lows)
    • !Very humid/sticky (dew point 25.6°C)
    • !Wet: ~274 mm rain, ~9 heavy-rain days
  • Air quality3.5
    • !Unhealthy (PM2.5 ~58 µg/m³)
  • Seasonal hazards7.0
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
    • !Flood: ~9 heavy-rain days (≥10 mm) in an average August
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut August side by side with another month
AugNov
Score5.4 Fair8.3 Very good
Season🌧️ Rainy season🌦️ Shoulder (showers)
High / low33° / 26°27° / 20°
Rain274 mm61 mm
Humiditydew pt 26°dew pt 18°
PM2.558 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 & crowdsAugust 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 August

No major events on our calendar for August.

Coming up later

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

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