Hanoi weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: November – March
What is the weather like in Hanoi in October?
In October, Hanoi is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 141 mm in total. On about 9 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Hanoi.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 35 | 62 | 79 |
| Day | 30° | 28° | 25° |
| Night | 24° | 22° | 18° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 19 | 12 | 7 |
More details for October
- Daylight
- 11 h 42 min05:51 – 17:33
- UV index
- 9 · very highclear sky, noon (estimate)
- Muggy days
- 24 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 59 %on average
- Hot days
- 9 days30 °C or more
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 50 %84 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Hanoi in October: quick answers
Is Hanoi hot in October?
Yes. In October, Hanoi is hot: daytime highs average 28 °C and nights stay around 22 °C. On about 9 days the thermometer climbs to 30 °C or more.
Does it rain much in Hanoi in October?
Rain is frequent, with about 12 rainy days and 141 mm in total.
Hanoi month by month
The whole year in HanoiAll destinations: Vietnam
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)