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Wat Arun at sunset across the Chao Phraya River in Bangkok, with a royal barge in the foregroundCafés lining Hanoi's Train Street under lanterns and flags

Bangkok vs Hanoi in May

Hanoi edges it in May. Bangkok averages 27–35°C with low crowds; Hanoi 25–33°C with low crowds.

By Daan · Last reviewed October 2026

Bangkok and Hanoi

The verdict for May

  • WeatherHanoi has the better weather5/10 vs 6/10
  • CrowdsBangkok is quieterLow vs Low
  • PricesVery similar$$ vs $$
  • OverallHanoi comes out ahead6/10 vs 7/10
Wat Arun at sunset across the Chao Phraya River in Bangkok, with a royal barge in the foreground

Bangkok in May

Value before the monsoon

Temperature
27–35°C
Crowds
Low
Prices
$$

+Lower demand and better hotel value.

–Very hot and increasingly wet as the monsoon approaches.

Luxury hotels at shoulder-season rates.

Bangkok in May
Cafés lining Hanoi's Train Street under lanterns and flags

Hanoi in May

Warm weather, stronger value, more rain

Temperature
25–33°C
Crowds
Low
Prices
$$

+Lower-season value improves as visitor demand softens.

–Rainfall jumps to 242mm and humidity reaches 80%.

May suits travelers who want warmth and value and can work around tropical showers.

Hanoi in May

Scores and crowd levels are my own judgement; temperatures are monthly averages. Higher scores are better: quieter, cheaper and more pleasant.

Another month