Weather: Ha Long Bay — August
It's a rainy period, but great for indoor activities, museums, and lower prices.
☔ Climate Overview
August is a wet time to visit Ha Long Bay. Hot conditions with temperatures reaching 32°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds. Sea temperature of 31°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
32°C
27°C
28days
12.9h
Feels like 39°C / 33°C — humidity makes it feel warmer
400mm
7.7h/day
85%
Very Muggy6.4
High14 km/h (gusts 30)
31°C 🏊 Comfortable
Is August a good time to visit Ha Long Bay?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Now
--
Air Quality
Travel Context
- CrowdsQuiet
- Travel Costs Value Rates
Daylight
05:31
18:23
Visiting Ha Long Bay in August: Pros & Cons
Pros
- Fewer crowds and better hotel deals
- Warm sea perfect for swimming and snorkeling
Cons
- Frequent rain may disrupt outdoor activities
- High humidity makes the heat feel oppressive
Things to Do in August
Recommended for This Weather
Ha Long Bay Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 21°C | 16°C | 7d (34mm) | 6.4h | 76% Humid | 4.1 Moderate | | Good |
| Feb | 21°C | 17°C | 6d (33mm) | 5.7h | 82% Very Humid | 4.4 Moderate | | Good |
| Mar | 24°C | 20°C | 10d (31mm) | 6.7h | 84% Very Humid | 5.3 High | | Excellent |
| Apr | 27°C | 23°C | 11d (59mm) | 8.7h | 83% Very Humid | 6.8 High | | Excellent |
| May | 31°C | 26°C | 20d (154mm) | 9.7h | 83% Very Muggy | 7.4 Very High | | Excellent |
| Jun | 33°C | 28°C | 22d (271mm) | 8.7h | 82% Very Muggy | 7.3 Very High | | Wet |
| Jul | 33°C | 28°C | 23d (280mm) | 9.7h | 83% Very Muggy | 7.7 Very High | | Wet |
| Aug Current | 32°C | 27°C | 28d (400mm) | 7.7h | 85% Very Muggy | 6.4 High | | Wet |
| Sep | 31°C | 26°C | 26d (366mm) | 7.8h | 84% Very Muggy | 6 High | | Excellent |
| Oct | 29°C | 23°C | 14d (156mm) | 8.1h | 76% Muggy | 5.9 High | | Excellent |
| Nov | 27°C | 21°C | 7d (32mm) | 8.4h | 74% Humid | 5.3 High | | Excellent |
| Dec | 22°C | 17°C | 3d (12mm) | 7.1h | 69% Humid | 4.4 Moderate | | Good |
Ha Long Bay
UNESCO World Heritage Bay with 1,600 limestone karst islands rising dramatically from emerald waters, overnight junk boat cruises, kayaking through caves, floating villages, and one of Vietnam's most iconic natural wonders.
View Full Destination Guide
What to Pack for August
Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
🎒Personalized Packing List
Tell us about your trip and we'll create a custom packing list based on the weather.
Your Packing List
📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health
Planning a trip to Ha Long Bay?
Frequently Asked Questions
Is August a good time to visit Ha Long Bay?
Does it get cold at night in Ha Long Bay in August?
What should I pack for Ha Long Bay in August?
Does it rain a lot in Ha Long Bay in August?
Can you swim in Ha Long Bay in August?
How many hours of daylight are there in Ha Long Bay in August?
Is August peak season in Ha Long Bay?
More Ha Long Bay Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for Ha Long Bay: top things to do, itineraries, and typical costs.