Hanoi · Month comparison

January vs April

April ranks #1 overall vs January at #7. The best weather month — warm, sunny, low crowds, and the Old Quarter at its most photogenic.

Hanoi January — Turtle Tower rising from the mist over Hoan Kiem Lake in the cool winter season

January

#7 of 12 months

Strong option

Cool, misty, and festive — Tet preparations transform the Old Quarter with flowers and lanterns.

  • Tet (Lunar New Year, late January or early February) preparations dominate the month: Hang Ma Street fills with lanterns and decorations, peach blossom trees appear throughout the Old Quarter, and Hoan Kiem Lake hosts evening flower markets — the most visually spectacular seasonal transformation in Hanoi
  • Rainfall is minimal at 18mm — the driest and coolest period of the year means comfortable walking without heat or rain; a cardigan and a good pair of shoes is all you need
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
FactorJanuaryApril
Weather score
5
8
Value score
6
7
Crowd score
5
7
Events score
7
5
Atmosphere
8
7
Avg high temp18°C26°C
Monthly rain18mm88mm
Daily sunshine2.5hrs5.5hrs

January trade-offs

  • Only 2.5 sunshine hours daily — January is the gloomiest month in Hanoi's calendar; the famous skyline and street scenes are best photographed in soft overcast light, but blue-sky photographs require patience
  • At 18°C average high, Hanoi is genuinely cool by Southeast Asian standards — pack a layer for evenings; this surprises visitors who arrive expecting tropical warmth
  • If Tet falls in January, most restaurants, shops, and attractions close for 1–2 weeks surrounding the holiday; beautiful but logistically difficult for unprepared travellers

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 →