MultiDayTourFinder

Vietnam in August: weather, festivals and where to go

By the MultiDayTourFinder team

Updated 14 October 2026 · 3 min read

The main gate of the Imperial City in Hue
Photo: CEphoto, Uwe Aranas, CC BY-SA 3.0, via Wikimedia Commons

The short answer

Month
August
Verdict
Mixed
North (Hanoi, Ha Long Bay)
Wettest month
Centre (Hue, Hoi An)
Hot, mostly dry
South (Saigon, Mekong)
Showers

August brings the heaviest rain to the north and the highest chance of storms in the Gulf of Tonkin. Central Vietnam stays mostly dry and hot.

Where to go in August

  • Hue and Hoi An: Still dry, before the autumn rains.
  • Central beaches: Hot and sunny.

What to avoid in August

  • Fixed, non refundable Ha Long Bay plans.
  • Trekking in Sapa, where paths are muddy.

Festivals and events in August

  • Ghost month and Vu Lan: Usually in August or September, when families honour ancestors at pagodas.

Weather in August

Average highs, lows and rainfall, with August highlighted. Compare it with the months either side if your dates are flexible.

Average daily high / low and monthly rainfall

MonthHanoiHa Long is similarSapamountains, 1,500 mHueHoi AnDa Nang is similarHo Chi Minh CityMekong is similarPhu Quoc
Jan20° / 14°18 mm12° / 5°60 mm24° / 18°160 mm25° / 19°95 mm32° / 22°14 mm30° / 23°30 mm
Feb21° / 15°26 mm14° / 7°70 mm25° / 19°60 mm26° / 20°30 mm33° / 23°4 mm31° / 24°20 mm
Mar23° / 18°44 mm18° / 10°110 mm28° / 21°50 mm28° / 22°20 mm34° / 24°12 mm32° / 25°60 mm
Apr28° / 22°90 mm21° / 13°190 mm31° / 23°50 mm31° / 24°25 mm35° / 25°42 mm33° / 26°100 mm
May32° / 25°188 mm23° / 16°270 mm33° / 25°90 mm33° / 25°60 mm34° / 25°220 mm32° / 26°250 mm
Jun33° / 27°240 mm24° / 17°350 mm34° / 25°90 mm34° / 26°80 mm33° / 25°330 mm31° / 26°350 mm
Jul33° / 27°288 mm24° / 18°420 mm34° / 25°70 mm34° / 26°85 mm32° / 25°315 mm30° / 25°400 mm
Aug32° / 27°318 mm24° / 17°450 mm34° / 25°140 mm34° / 26°105 mm32° / 24°270 mm30° / 25°450 mm
Sep31° / 26°265 mm22° / 16°300 mm31° / 24°430 mm32° / 24°350 mm32° / 24°330 mm30° / 25°350 mm
Oct29° / 23°130 mm20° / 13°170 mm29° / 23°800 mm30° / 23°610 mm31° / 24°270 mm30° / 24°250 mm
Nov26° / 19°43 mm17° / 10°80 mm26° / 21°590 mm27° / 22°370 mm31° / 23°110 mm30° / 24°130 mm
Dec22° / 15°23 mm13° / 6°50 mm24° / 19°300 mm25° / 20°200 mm31° / 22°50 mm30° / 23°50 mm

Rounded long term averages. Blue shading marks the wetter months. Individual years can be hotter, colder or wetter.

A 9 day trip for August

Our suggestion for August: Hanoi, Hue and Hoi An. Every trip can be made private and changed to suit your dates.

Tip: Plan Ha Long Bay at the start of the trip so you have spare days if a sailing is cancelled.

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Other months

Thinking about July or September? See Vietnam in July and Vietnam in September, or compare every season in our guide to the best time to visit Vietnam.

Rather have a trip to Vietnam made just for you?

Answer a few quick questions and a local specialist will send you a free, no-obligation itinerary and price.

Frequently asked questions

Is August a good time to visit Vietnam?

It is mixed. Central Vietnam is good, while the north is wet with some risk to Ha Long Bay cruises.

Sources we checked

Vietnam month by month

More Vietnam guides