What October feels like in Hanoi
October sits between Hanoi's dry and wet seasons. Afternoons are hot, so sightseeing works best in the morning or evening. There is little difference between day and night: nights stay warm, and evenings feel much like the afternoon. High humidity makes the heat feel heavier and sticky, especially on still afternoons.
Rain in Hanoi in October
Dry days are the exception, with rain on about one day in 2. When rain comes it is heavy, about 12.6 mm (0.5 in) per wet day, often in short, strong bursts. Across the year Hanoi averages about 11.6 mm per rainy day, so October is typical.
Daylight and sunshine in October
In mid-October, sunrise is at about 5:51 am and sunset at about 5:33 pm (local time) — 11 h 42 min of daylight. Compared with mid-September, the day has lost 36 min. Measured sunshine covers about 68% of the daylight — there are plenty of bright spells.
How October compares to the rest of the year
Ranked by average high, October comes out as the 6th coolest month in Hanoi. Against September, the average high is 2.1°C (3.8°F) lower, with 132 mm less rain. The cooling trend carries on into November. November averages a high of 25.4°C (77.7°F).
Who October suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
Tips for visiting Hanoi in October
Rain Protection
A compact umbrella and a light waterproof jacket.
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Hanoi in October?
Afternoons average 28.4°C (83.1°F) and nights about 21.9°C (71.4°F) — hot by most people's standards. It is the 6th coolest month of the year.
Does it rain a lot in Hanoi in October?
Quite a lot — 164 mm spread over about 13 days.
What should I wear in Hanoi in October?
Pack rain protection and sun protection. There is little need to change for the evening.
Is October or November better for visiting Hanoi?
November, clearly: it ranks #2 of 12 among Hanoi's months, against #7 for the other. November is cooler and has fewer rainy days.