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Hanoi, Vietnam · Tropical

Hanoi in October: go or not?

Excellent time. Hanoi in October scores 8.0/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 21.03°N · 105.85°E
⚡ This month's verdict
Go for it
Hanoi · October
8.0
22–29°
Temperature
29%
Rain
5h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Giang Nguyen via Unsplash
The month in detail

What to expect in October

Autumn in Hanoi is often underrated: 84°F, golden light and declining crowds. An interesting window. Expect rain on 29% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if November (8.2/10) remains theoretically better.

October ranks 2 out of 12 months in Hanoi. Compared to September: −4°F daytime, 18 pts fewer rainy days, −0.6h of sun per day.

This month's conditions

What it's like in October

UV index
7 · high
sunscreen and hat advised
Feels like
muggy at times
20°
Daylight
11.5h of daylight
Air quality
poor
AQI 66
Compare

Is October the right month?

The best month in Hanoi is November (8.2/10), 0.2 pt higher than October.

See November →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Hanoi

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Vietnam

🗣️LanguageVietnamese
💶CurrencyVietnamese Dong (₫)
🚗DrivingRight-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘVery cheap · 1/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJune · 91°F
❄️Coolest monthJanuary · 72°F
🌧️Rainiest month ⓘAugust · 55%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Location

Where is Hanoi ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Vietnam
Tropical climate with a 8.2 → 4.5 gap between best and worst month. 10 years of ERA5 data to choose by project.
21.03°N · 105.85°E
Questions

Frequently asked questions

What is the best time to visit Hanoi?
November is the best month with 79°F highs, 66°F lows, 4.4h of sunshine and 16.0% rainy days. The months of November & October offer comparable conditions.
How many hours of sunshine does Hanoi get in November?
Hanoi averages 4.4 sunshine hours per day in November. It is the sunniest month with a climate score of 7.7/10.
What is the rainiest month in Hanoi?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Hanoi in November?
In November, overnight lows reach 66°F, while afternoon highs average 79°F.
Is Hanoi good in winter?
In winter (December-February), Hanoi scores 7.3/10 on average — Acceptable conditions for cultural visits.. The best month overall remains November with a score of 7.7/10.
When should you avoid Hanoi?
July is the most difficult month to visit Hanoi, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Hanoi in October?
The average UV index reaches 7 in October in Hanoi (high), with about 11.5h of daylight. Sunscreen and hat advised.