Hanoi · Month comparison

August vs April

April ranks #1 overall vs August at #10. The best weather month — warm, sunny, low crowds, and the Old Quarter at its most photogenic.

Hanoi August — train passing through the narrow alleyways of Train Street as the city prepares for Mid-Autumn Festival

August

#10 of 12 months

Avoid

The rainiest month — 318mm of rain and overcast skies, but the Mid-Autumn Festival preparations begin in the Old Quarter.

  • Mid-Autumn Festival (Tet Trung Thu) preparations begin in August — Hang Ma Street starts filling with mooncakes, lanterns, and traditional toys; a preview of the Old Quarter's most colourful transformation
  • Despite the heavy rain, Hanoi's indoor culture is superb: the Vietnam Museum of Ethnology is one of Southeast Asia's finest, and the city's café scene is the best reason to be stuck indoors anywhere in the region
Hanoi April — colonial building and green trees along the French Quarter in spring sunshine

April

#1 of 12 months

Best match

The best weather month — warm, sunny, low crowds, and the Old Quarter at its most photogenic.

  • April is the joint-best weather month in Hanoi: 26°C, 5.5 sunshine hours, and light rather than heavy rain — the Old Quarter is comfortable to explore for a full day without the humidity and heat of summer
  • Crowds are at their annual low outside the peak seasons; the Ngoc Son Temple at Hoan Kiem Lake and the Temple of Literature can be visited without congestion
FactorAugustApril
Weather score
2
8
Value score
7
7
Crowd score
6
7
Events score
5
5
Atmosphere
6
7
Avg high temp32°C26°C
Monthly rain318mm88mm
Daily sunshine5.5hrs5.5hrs

August trade-offs

  • 318mm of rain is Hanoi's wettest month of all — daily deluges can last for hours, flooding streets that drain slowly; choosing accommodation on higher ground or with covered access matters
  • Sunshine hours drop to 5.5 — overcast skies dominate the morning before the daily rain arrives; the blue-sky Hanoi of autumn and spring photographs is absent
  • The heat (32°C / 84% humidity) remains at its summer maximum even as the rain intensifies — the combination of wet and hot is Hanoi at its most challenging

April trade-offs

  • Rainfall increases to 88mm — light but present; afternoon showers are possible; carry a small umbrella or poncho
  • April is starting to become more popular as word of the good weather spreads; hotels fill faster than in February-March and prices begin edging upward
  • The heat is building toward summer levels by late April — daytime sightseeing between 11am and 3pm can already feel warm
Scores compare months within Hanoi. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →