Hanoi in August: Weather & climate information
- This month, Hanoi is experiencing heavy rainfall and storms, resulting in high precipitation levels.
- However, showers are brief, typically occurring during the day.
- Temperatures are cooler, bringing a mild autumn atmosphere.
- It's a romantic time in the city, which remains quiet with few major festivals.
As autumn approaches in Hanoi, the blooming of milkwood pines signals a seasonal change. Despite the lingering heat, gentle breezes bring a refreshing calm. This transitional month offers a serene atmosphere in the city, marked by fewer events and festivals, allowing locals and visitors to enjoy the tranquility of Hanoi in this beautiful season.
August Averages
In August, Hanoi experiences warm weather with temperatures ranging from 25.5°C to 32.8°C. Expect high humidity at 79.5% and about 184.6mm of rain over 8 rainy days. Enjoy 11.9 hours of sunshine daily!| Min Temperature | 25.5°C | Precipitation | 184.6mm |
| Max Temperature | 32.8°C | Rainy Days | 8.0 days |
| Humidity | 79.5% | Sunshine Hours | 11.9 hours |
Historical weather
August 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 26.99°31.74° | 2 26.86°36.36° | 3 25.88°35.97° | 4 26.97°29.42° | 5 27.98°37.38° | 6 27.88°34.03° | |
7 27.85°31.37° | 8 27.98°36.54° | 9 27.06°36.28° | 10 28.65°35.39° | 11 28.49°36.66° | 12 25.74°31.89° | 13 26.82°30.72° |
14 26.9°36.26° | 15 27.59°35.98° | 16 26.09°31.61° | 17 26.63°33.78° | 18 26.53°33.67° | 19 26.78°35.16° | 20 25.64°34.99° |
21 25.09°33.56° | 22 26.48°34.04° | 23 26.6°34.24° | 24 24.8°26.91° | 25 25.38°33.53° | 26 24.66°29.54° | 27 24.97°31.64° |
28 25.11°32.47° | 29 24.21°25.01° | 30 23.32°29.55° | 31 24.76°32.42° |
Temperature Graph (°C)
The average Hanoi temperature during August is around 28.9°C (84.02°F).
| Month | High | Low | Changes |
| July | 34.1°C (93.38°F) | 26.5°C (79.7°F) | -0.9°C (30.38°F) |
| August* | 32.8°C (91.04°F) | 25.5°C (77.9°F) | -1.1°C (30.02°F) |
| September | 31.7°C (89.06°F) | 24.3°C (75.74°F) | -1.1°C (30.02°F) |
Humidity Graph (%)
The average humidity in August in Hanoi is 79.5%, which is 4.3% higher than July and 0.1% higher than September.
Rainfall Graph (mm)
Average rainfall in August in Hanoi: 184.6mm
| July | August* | September |
| 178.0mm (+6.6mm) | 184.6mm | 109.5mm (+75.1mm) |
Rain Days Graph
Average rain days in August in Hanoi: 8.0 days
Daylight Graph
Average daylight in August in Hanoi: 12.8h
Tips for Visiting Hanoi in August 2025
In August, the daily average temperature in Hanoi typically ranges from 24°C to 31°C. The city experiences high and stable humidity levels, averaging around 80%. August remains one of the wettest months of the year, with an average precipitation of 190 mm spread over approximately 10 rainy days.
Overall, the weather in August is more pleasant compared to July, as extreme heatwaves reaching above 40°C are less common. Travelers should prepare by bringing raincoats, umbrellas, short-sleeved shirts, and lightweight shorts for their visit to Hanoi during this month.
A significant cultural event during this time is Vietnamese All Souls' Day, a traditional occasion for honoring ancestors, where many locals prepare vegetarian meals and offer food at temples throughout the city. Additionally, August marks a good opportunity for visitors to take advantage of the last bits of summer sun at nearby beaches, such as Do Son beach, which hosts the annual Water Buffalo Festival during this month.
While August may not stand out significantly among the year’s other months, it offers a balance of favorable experiences without extreme discomfort, ranking mid-range in terms of attractiveness and slightly lower in weather comfort.
What to Pack
When packing for your trip to Hanoi in August, consider bringing light jackets and breathable short-sleeved shirts rather than just airy summer clothes. Sun hats and comfortable sandals are also essential for the bright, sunny days that may occur. Be sure to pack a reliable raincoat, as it’s wise to be prepared for sudden rain showers.
