In August, the weather in Halong Bay continues to be hot and humid, potentially experiencing seasonal storms. Despite this, Halong Bay remains an attractive destination in August due to its lesser crowd compared to the peak season.

August marks the end of summer. Similar to June and July, the weather in Halong Bay during August is hot and wet, and there might be occasional seasonal storms. This month sees the lowest number of sunny hours in Halong Bay, and humidity levels tend to decrease gradually.

However, to a certain extent, Halong Bay weather in August still makes it an appealing destination due to it being the off-peak season. You can take advantage of various sea excursion discounts and promotions.

Overview of Halong Bay weather in August

Overview of Halong Bay weather in August
Overview of Halong Bay weather in August

Weather in Halong Bay during August is characterized by heat and humidity. Temperatures frequently exceed 30°C, peaking in the mid-30s, and rarely drop below 25°C. This month sees an increase in rainfall with heavy showers and even potential storms. Specifically, in August 2020, there was recorded rainfall of up to 700mm spread over 24 wet days. Humidity slightly reduces, hovering around 75%, making the heat less oppressive. The amount of sunshine is at its lowest in Halong Bay during August, averaging only 6 hours of sunlight per day.

This weather pattern contributes to the reduced number of tourists visiting Halong Bay in August. However, if you choose to travel during this time, it’s important to stay updated with the weather forecast. On brighter days, Halong Bay offers ideal conditions for water activities like swimming and kayaking. Additionally, travelers can benefit from lower costs and various promotional offers during the summer season.

Pros and Cons of Visiting Halong Bay in August


  • Exciting Water Activities: With the intense heat in August, it’s the perfect time to indulge in water activities like snorkeling, swimming, and kayaking, offering a cool and relaxing experience.
  • Less Crowded: Due to the anticipated unfavorable weather conditions, many tourists avoid Halong Bay in August. This results in fewer visitors, allowing for a more peaceful exploration and more space to enjoy.
  • Attractive Pricing: As it’s the off-peak season, you can benefit from better deals for accommodations and tours, making your trip more budget-friendly.


  • Weather Risks: Bad weather, including heavy rains and storms, can disrupt your plans. Staying updated with hourly weather forecasts is essential for safety and convenience.
  • Not Suitable for Everyone: The high heat and humidity may not be ideal for every traveler, especially those not accustomed to tropical climates or with certain health concerns.

In summary, deciding whether to visit Halong Bay in August depends on your personal preferences and ability to adapt to the specific weather conditions of this month.

Must-try activities when coming here

Swimming and Kayaking

Kayaking Halong Bay
Kayaking Halong Bay

The sweltering summer heat always creates perfect conditions for water activities, particularly swimming and kayaking, two quintessential activities to do in Halong Bay. Top spots for swimming and kayaking in Halong Bay include Titop Island, Luon Cave, Tung Sau Pearl Farm, Viet Hai Village, Ba Trai Dao Beach, etc. Most cruise itineraries include these two activities, and there might be additional fees for kayaking.

Cave Exploration

The cool temperature inside Halong Bay’s caves is a complete contrast to the harsh heat outside. Therefore, exploring the stunning caves by kayak or bamboo boat becomes an appealing activity. Halong Bay is known for Surprise Cave, Dark & Bright Cave, and Luon Cave.

Sea Cruises

Despite a higher likelihood of cancellations due to bad weather, sea cruising remains a favored and worthwhile activity in Halong Bay. You can choose a day trip or an overnight cruise that fits your budget, time, and schedule. If you opt for an overnight cruise and are not accustomed to the tropical weather in Halong Bay in August, you might prefer to stay on the boat rather than disembarking. There are plenty of entertaining activities on the cruise, such as morning Tai Chi classes, cooking lessons, live music, and squid fishing.

Museum Visits

When traveling to Ha Long, you must definitely visit Quang Ninh Museum
When traveling to Ha Long, you must definitely visit Quang Ninh Museum

Rainy weather in August might deter you from outdoor activities; hence, indoor activities like museum visits are a perfect choice. The most notable museum is the Quang Ninh Museum on Tran Quoc Nghien Street. The museum is open from 8 am – 11:30 am, 1:30 pm – 5 pm, and the ticket price is 40,000 VND for adults, 20,000 VND for students, and 10,000 VND for children. Here, you can learn more about the ocean and nature, the historical values of Quang Ninh, view unique exhibitions on archaeological artifacts, as well as the economic and cultural achievements of Quang Ninh province.

Another option is the 3D Funny Art Museum located inside Marine Plaza. The museum is open from 9 am to 10 pm, with an entrance fee of 80,000 VND for adults and 50,000 VND for children. You can take beautiful photos with paintings of various famous sights in Halong and wildlife.

Travel Tips for Visiting Halong Bay in August

Travel Tips for Visiting Halong Bay in August
Travel Tips for Visiting Halong Bay in August

If you’re planning to visit Halong Bay in August, it’s crucial to prepare for the hot and humid weather. Here are some items to consider packing:

  • Lightweight and Breathable Clothing: Opt for cotton shirts and shorts that are comfortable in the heat. Don’t forget to pack a hat or cap to protect your face from the sun.
  • Comfortable Footwear: Bring shoes suitable for long walks or trekking on beaches and trails.
  • Swimwear and Towels: If you plan to indulge in water activities, make sure to pack your swimwear and towels.
  • Pack Light: Aim to pack lightly and avoid carrying too much, as it can be cumbersome when moving on boats or kayaks.

By keeping these tips in mind, you can ensure a more comfortable and enjoyable visit to Halong Bay in August.

In summary, August is one of the hottest and most storm-prone months of the year, which may impact your Halong Bay cruise plans. It would be wise to schedule your visit to Halong Bay early with San Travel during your Vietnam travel itinerary if you are traveling in August.

If your plans are disrupted due to weather, having an alternative plan ready is essential. This way, you can still make the most of your trip and visit all the key attractions. The region’s year-round beauty makes it a must-see destination, so seize the chance to discover this natural marvel, and you’ll likely find it a rewarding experience.

>>> Read more: Flight Time to Ha Long Bay: Navigating Halong Bay Weather for the Best Travel Months

Frequently Asked Questions

Is August a good month to visit Halong Bay?

August, along with June and July, is not as ideal as other months for a trip to Halong Bay due to higher rainfall, warmer temperatures, and occasional storms and tornadoes. While the weather isn’t perfect, it’s not necessarily alarming. If you don’t mind the risk of bad weather, you can actually enjoy better deals.

Is Halong Bay hot in August?

Halong Bay in August is still hot, with temperatures consistently above 30°C. With slightly lower humidity, the weather might not feel as stifling as in June and July.

Does it rain a lot in Halong Bay in August?

Yes, August is likely the wettest month of the year. Tropical downpours often occur in the afternoon. Additionally, storms and tornadoes are more frequent and can last from 2 to 3 days.

Is it better to visit Halong Bay in August or September?

Weather-wise, September is definitely a better time than August to visit Halong Bay as it marks the beginning of autumn with more pleasant weather. However, it also signals the start of the peak season, so you may find it more crowded.

What should you bring when traveling to Halong Bay in August?

In the hot and humid weather of Halong Bay in August, you’ll need lightweight clothing, flip-flops, and sports shoes. A light raincoat is advisable in case of sudden downpours when disembarking from boats. Meanwhile, swimwear is suitable for sunny days.

What are alternative activities for rainy days in Halong Bay in August?

With frequent heavy rains in Halong Bay in August, some alternative options to overnight cruises include day cruises, enjoying fun activities at Sunworld Complex, watching dolphin shows at Tuan Chau Park, or visiting the Quang Ninh Museum.