Temperature
Hot by day, warm at night.
89°Ftypical Aug high
Hanoi is most comfortable in winter. Summers are hot and winters are mild. Rainy season runs roughly May to October. Humidity is noticeable much of the year.

Hot by day, warm at night.
One of the wettest months.
Cloudier spells limit sunshine.
Hot days, with humid stretches.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Hanoi with Bangkok.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology