Hanoi weather

Our guide to the weather in Hanoi during August

33

Average high

7

UV Index

268mm

Monthly rainfall

29

Sea temperature

Hanoi is a vibrant and captivating city, offering a unique blend of culture and history. August is a great time to visit, although temperatures can get quite warm. We've looked at the most up-to-date weather data for Hanoi, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Hanoi weather in August.

How hot is it in Hanoi during August?

Expect heat in Hanoi during August. The temperature hits about 33℃ during the day, falling away to a balmy 26℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Hanoi during August?

August is typically the wettest month in Hanoi. On average, there will be 15 rainy days during the month, amounting to 268.2mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.

Is it windy in Hanoi during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Hanoi during August?

The water around Hanoi reaches a very pleasant 29℃ during August. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Hanoi Blog posts

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Last updated on 26th September 2023, this comprehensive guide to Beer Street in Hanoi provides all the information you need for an unforgettable night out in the lively Hanoi Old Quarter. If you're searching for the best nightlife experience in this vibrant area, look no further than Ta Hien Beer Street. Discover everything you need to know about immersing yourself in the energetic atmosphere of Beer Street in Hanoi. While Vietnam may not be widely known for its beer culture, Beer Street in...

Weather in Hanoi

Our month-by-month guide to the weather and climate in Hanoi

21.0

Hanoi weather in

January
24.0

Hanoi weather in

February
27.1

Hanoi weather in

March
30.8

Hanoi weather in

April
34.2

Hanoi weather in

May
35.8

Hanoi weather in

June
34.5

Hanoi weather in

July
33.4

Hanoi weather in

August
32.3

Hanoi weather in

September
29.5

Hanoi weather in

October
27.2

Hanoi weather in

November
22.3

Hanoi weather in

December