Weather in Hanoi in October
October in Hanoi is a hot month. Plan the serious walking for morning. The rest of the day wants shade and a slower pace.
In Vietnam, this is how Hanoi actually wears October, not how a country centroid would. Compared with June and January, October sits in the middle of Hanoi's year.

- Average temp
- 27°C
23–30°C
- Rainfall
- 109 mm
Showers likely
- Sunshine
- 5.2 h
hours per day
What to expect
Daytime
Hot days in Hanoi. Ruins, markets and hills are a morning job. Midday sightseeing is how people remember October for the wrong reason.
Nights stay warm. Air-con, if you can get it, is part of the brief. A jumper for October in Hanoi is almost always a waste of bag space.
Rain
Mixed skies in Hanoi in October. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings stay warm.
What to pack
Rain jacket
Where to stay in Hanoi
Dates are a starting point for October.

Travel guides for Hanoi
What to read before you book.
Average weather in Hanoi
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FAQs about Hanoi
Climate averages for Hanoi, 1991–2020.
The best time to visit Hanoi is between November and April, the most comfortable stretch of the year on these averages.
June is the hottest month, with an average around 31°C.
July is the wettest month, with about 311 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
