Hanoi in October: Weather & climate information
- In October, Hanoi experiences cooler temperatures and drier weather, signaling the end of the rainy season with rainfall reduced by nearly half.
- Sunlight is milder, making it an ideal time to explore the city.
- Enjoy the pleasant climate before the colder months set in.
Compared to September, October’s weather is even milder, with temperatures becoming more pleasant. The beauty of autumn remains vibrant, as cool breezes frequently offer refreshing relief to everyone.
October Averages
In October, Hanoi enjoys mild weather with temperatures ranging from 21.9°C to 29.3°C. Expect around 9.5 sunshine hours, 77.8mm of rain across approximately 4 rainy days.| Min Temperature | 21.9°C | Precipitation | 77.8mm |
| Max Temperature | 29.3°C | Rainy Days | 4.0 days |
| Humidity | 73.4% | Sunshine Hours | 9.5 hours |
Historical weather
October weather averages for Hanoi in the last 14 years ( 2010 to 2024).
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 26.0°34.0° | 2 25.0°32.0° | 3 25.0°32.0° | 4 25.0°33.0° | |||
5 24.0°30.0° | 6 22.0°31.0° | 7 24.0°32.0° | 8 25.0°30.0° | 9 21.0°27.0° | 10 19.0°21.0° | 11 19.0°23.0° |
12 19.0°25.0° | 13 20.0°28.0° | 14 20.0°29.0° | 15 22.0°31.0° | 16 23.0°32.0° | 17 23.0°31.0° | 18 23.0°32.0° |
19 22.0°32.0° | 20 23.0°32.0° | 21 23.0°32.0° | 22 23.0°32.0° | 23 23.0°31.0° | 24 23.0°29.0° | 25 24.0°31.0° |
26 23.0°31.0° | 27 24.0°31.0° | 28 24.0°32.0° | 29 24.0°32.0° | 30 23.0°32.0° | 31 20.0°28.0° |
Temperature Graph (°C)
The average Hanoi temperature during October is around 25.3°C (77.54°F).
| Month | High | Low | Changes |
| September | 31.7°C (89.06°F) | 24.3°C (75.74°F) | -1.1°C (30.02°F) |
| October* | 29.3°C (84.74°F) | 21.9°C (71.42°F) | -2.5°C (27.5°F) |
| November | 26.7°C (80.06°F) | 19.6°C (67.28°F) | -2.5°C (27.5°F) |
Humidity Graph (%)
The average humidity in October in Hanoi is 73.4%, which is 6.0% lower than September and 0.5% higher than November.
Rainfall Graph (mm)
Average rainfall in October in Hanoi: 77.8mm
| September | October* | November |
| 109.5mm (-31.7mm) | 77.8mm | 40.0mm (+37.8mm) |
Rain Days Graph
Average rain days in October in Hanoi: 4.0 days
Daylight Graph
Average daylight in October in Hanoi: 11.7h
Tips for Visiting Hanoi in October 2025
In October, Hanoi experiences a pleasant drop in temperature, averaging around 22°C at night and reaching highs of about 27°C during the day. The city benefits from a milder climate, with humidity levels reduced to approximately 70% and average precipitation around 60mm. While the number of rainy days remains relatively consistent, rainfall is generally lighter compared to previous months. Travelers from Japan and Argentina might find Hanoi's October weather reminiscent of their hometowns, while European visitors may perceive it as relatively warm compared to their native climates.
This is an ideal time for a cyclo tour around Hanoi's Old Quarter, with the autumn ambiance at its finest and sunlight being more subdued. Walking tours are also highly recommended, allowing visitors to fully appreciate the beauty of the bustling city streets.
One notable event to attend this month is the Vong Thi Festival, held at Vong Thi Pagoda in Ba Dinh District. This festival features traditional folk performances and cockfighting, which are among the highlights of the experience.
October is arguably the best time of year to explore Hanoi and northern Vietnam. The weather is inviting, and prices for accommodations and attractions typically begin to decrease as the year’s end approaches. Don’t miss the opportunity to immerse yourself in the charm of Hanoi's autumn!
What to Pack
When visiting Hanoi in October, it’s advisable to pack warmer clothing, particularly light jackets for the cooler evenings. It's also wise to bring an umbrella or lightweight raincoat in case of unexpected rain showers. Most importantly, don't forget your camera and comfortable clothing suitable for cycling, as exploring the Old Quarter on a bike is among the most enjoyable activities!
