Halong Bay in October: Weather and Best Travel Guide 2025
Are you thinking about a trip to Halong Bay and curious about October? This complete guide to Halong Bay’s October weather will give you all the answers you need. Let’s explore the exciting activities, delicious food, and helpful tips for a trip to Halong Bay in October to make your vacation amazing with Ha Long Bay Cheers Tours in this blog post!
1. Overview of Halong Bay weather in October
If you’re looking for a great time to visit Halong Bay, consider October! The weather is usually lovely with cool air and mild sunshine, which is why it’s such a popular month for visitors. While you might experience a bit of unexpected rain or a storm, October tends to be much drier than the previous five months, making it a perfect choice for a memorable trip with family and friends.
Key features of the weather of Halong Bay in October:
- Temperature: Generally, October temperatures in Halong Bay reach up to 27°C during the day, dip to 21.8°C at night.
- Humidity: The relative humidity averages 75.1%, higher than December 2.6%, the driest month of the year.
- Precipitation: The average rainfall accumulates to 77.8 millimeters in 8 days, October is the lowest monthly level throughout the summer-autumn season.
- Average rainfall: In October, the average rainfall is 54mm per month compared with 190mm in the previous month. There are only 11 rainy days in Halong Bay in October on average.
- Sunshine time: Approximately 7 hours/day.
Halong Bay in October typically offers some really delightful weather for exploring. While typhoons are unlikely, the area might still feel some effects from tropical monsoons. The good news is that you can generally expect moderate temperatures, beautiful light sunshine, and a lovely cool breeze, all of which combine to create a very pleasing atmosphere for your trip.

Overview of Halong Bay weather in October
2. Pros and Cons when visiting Halong Bay in October
2.1. Pros
October in Ha Long Bay is just lovely. The pleasant weather really makes the scenery even more charming, and it’s perfect for enjoying all sorts of outdoor activities. Plus, the sea temperature is a wonderful 27°C (around 81°F), so swimming is super comfortable. The sunshine is also gentler, so you can spend more time outside without feeling too hot.
With lower rainfall and fewer rainy days, getting around and exploring is really convenient. And the best part? It’s the early part of the peak season, so you can still enjoy a more peaceful Ha Long Bay before the bigger international crowds arrive in the coming months.
Keys to take away:
- Pleasant weather makes outdoor activities more favorable and the scenery more charming.
- Nice sea temperature (27°C) is suitable for swimming.
- Less harsh sunshine helps you not feel burned when staying outside.
- Convenient moving and exploring activities with less rainy days and low rainfall levels.
- Early peak season, but you still can enjoy a peaceful Halong Bay. There will be more travelers coming in the next months.
2.2. Cons
Just a little heads-up for October travelers to Halong Bay: while tropical monsoons can sometimes lead to trip cancellations, it’s actually not very common during this month.
Also, it’s worth noting that towards the end of October, the weather might get a bit chilly, which might not be ideal if you’re really hoping to do a lot of swimming.

Pros and Cons when visiting Halong Bay in October
3. Best activities to try in Halong Bay in October
Get ready for an amazing October adventure through the captivating landscapes of Halong Bay! You’re in for a treat with a smooth mix of fun entertainment and incredible exploring that’s sure to leave you with memories you’ll never forget.
3.1. Visit Cua Van fishing village
Cua Van Floating Village, which grew from two old fishing villages, is now one of the biggest in Halong Bay, with around 300 homes. What makes it really special is that all those cozy little houses are built right on the water, and the only way to get around is by those cute basket boats.
When you visit Cua Van, you’ll be totally amazed by the beautiful, peaceful nature and the lively local life. This charming village is waiting to welcome you with its rustic scenery, where you can experience the calm yet vibrant lives of the fishermen and try some seriously delicious seafood dishes.

Visit Cua Van fishing village in Halong Bay in October
3.2. Explore the spectacular cave systems
Nestled within the majestic limestone mountains of Halong Bay lie a fascinating network of approximately 60 discovered caves, with an impressive 49 recognized by UNESCO as part of its World Natural Heritage.
Among the most sought-after destinations for adventurous nature enthusiasts are Thien Cung Cave, Sung Sot Cave, and Dau Go Grotto. These spectacular cave systems hold significant aesthetic and scientific value, playing a vital role in shaping the spectacular terrain and landscapes of Halong Bay, a designated World Natural Heritage site.

Explore the spectacular cave systems of Halong
3.3. Chill out at Titop Island
Even though it’s not huge, Titop Island is definitely a favorite spot for visitors in Halong Bay. It’s super easy to get to – just a quick 7-8 kilometers from Bai Chay Tourist Port, and you can get there by boat, cruise ship, or even a seaplane! Ti Top Beach has a fantastic location, beautiful natural scenery, and a really interesting history, which means there are tons of fun activities to try, like swimming, hiking, parasailing, and even riding on towed tubes!

Chill out at Titop Island in Halong Bay in October
3.4. Admire the stunning scenery from a cruise
If you’re dreaming of a Halong Bay adventure, October’s perfect weather sets the stage for an unforgettable experience amidst the stunning limestone karsts and emerald waters. For the ultimate way to enjoy it all, look into a Halong Bay overnight cruise or a luxurious Halong Bay cruise.
Picture yourself relaxing on a beautiful yacht, leaving the busy city behind, and having an exclusive opportunity to admire the incredible scenery right from the ship. You’ll be especially treated to the magical sunrises and sunsets over the water, all while enjoying the comfort and luxury of the onboard amenities.

Enjoy stunning scenery from a Halong Bay cruise
Suggested cruises for your trip to Halong Bay in October:
3.5. Go kayaking through the gorgeous emerald waters
With that perfect October weather in Ha Long Bay, it’s a fantastic time to try all sorts of fun water activities, and kayaking is definitely a must-do. Even if you’re a complete beginner, kayaking in Halong Bay is a breeze and takes you to some really amazing spots, where you can paddle past peaceful fishing villages and explore magnificent caves.
Often, guided kayaking tours are included in your trip package. With the right safety gear, you can freely enjoy paddling through the calm waters and discover the spectacular scenery of the bay, knowing you’re safe and sound.

Go kayaking through the gorgeous emerald waters
3.6. Explore the Quang Ninh Museum
Situated along the scenic coastal road Tran Quoc Nghien, which curves around Halong Bay, the Quang Ninh Museum is a highly recommended stop for tourists visiting the area. Its distinctive architectural design, resembling a massive black coal – a significant mineral of Quang Ninh province – immediately captures attention.
Inside, the museum offers a comprehensive experience through its 3 levels of valuable exhibits. Each floor presents a unique theme, beginning with the natural history of the region on the first floor, progressing to a diverse collection of historical and cultural artifacts on the second, and culminating in an in-depth exploration of the coal mining industry on the third. A journey through these floors provides visitors with a broad understanding of the land and the people of Quang Ninh Province.

Explore the Quang Ninh Museum
4. What to eat when traveling to Halong Bay in October?
The delightful weather in Halong Bay in October enhances not only the sightseeing but also the experience of savoring the region’s local cuisine. The appeal of Halong foods to travelers lies in the freshness of the ingredients and the artistry of their preparation. Here are a few of the culinary highlights you simply must try!
4.1. Banh gat gu (nodding cake)
You’ve got to try Banh gat gu! These are long, soft rolls made from a rice flour batter and filled with tasty minced pork and crispy fried onions. The perfect way to enjoy them is dipped in a flavorful fish sauce-based sauce. The name “nodding cake” comes from the way the long rolls wobble or “nod” when you hold them.
4.2. Cha muc (squid cake)
Don’t miss out on Cha muc, a local favorite. Fresh squid is either chopped or minced, then shaped into a delicious patty and fried until it’s beautifully golden brown. It’s often served alongside some yummy steamed rice rolls for a truly local experience.

Halong Bay Cha muc (squid cake)
4.3. Sam (horseshoe crab)
For a real Halong Bay seafood treat, look for Sam, or horseshoe crab. It’s considered one of the best here and can be prepared in so many delicious ways – stir-fried, cooked with juicy tomatoes, or even added to fresh and vibrant salads. It’s a unique local delicacy.
4.4. Sa sung (peanut worms)
Be adventurous and try Sa sung! These are a special type of sand worm found only in the Halong sea area. Because they’re so nutritious and have a really unique flavor, locals often call them “ocean ginseng”. You will find them prepared in various tasty ways.
4.5. Oysters
If you love oysters, you’re in for a treat in Halong! The local fresh oysters are easy to find at pretty much any restaurant here. They have a really distinctive taste because of the high salt levels and the rich food sources in the seawater, it gives them a flavor you won’t forget.

If you love oysters, you’re in for a treat in Halong
5. What to wear in Halong Bay in October?
To make the most of your trip to Halong Bay in October, pack lightweight and breathable summer clothing like t-shirts, shorts, skirts, and dresses.
Since evenings can be slightly cooler, especially on the water, it’s a good idea to bring a light cardigan or jacket. Don’t forget your swimwear to enjoy the inviting sea temperature of around 27°C (81°F) for swimming and other water activities.
Even though the sunshine is less harsh than in the summer, sun protection is still important. Pack sunscreen with a good SPF, along with sunglasses and a wide-brimmed hat or cap.
As there’s still a possibility of occasional light rain, a lightweight, foldable raincoat or poncho will be useful. Finally, while the humidity is lower than in previous months, it’s wise to pack insect repellent to stay comfortable, especially during outdoor activities and in the evenings.

What to wear in Halong Bay in October?
6. Other notes for a perfect trip
To help you plan a perfect trip in Halong Bay in October with your beloved ones, we’ve included the following useful tips:
- Remember to book the services in advance to secure accommodations or cruise cabins at a good offer during the peak season of October.
- Pack your electronic devices (cameras, phones, and portable power banks) to ensure seamless photographing and uninterrupted communication.
- When on the bay, you must read and listen carefully to any signs or instructions for your own safety.
- Last but not least, don’t forget to check out the Halong Bay weather forecast in October prior to your trip for a well-prepared itinerary.
When coming to Halong Bay, don’t forget to experience a night on a luxury cruise, enjoy panoramic views of the heritage bay, enjoy vibrant parties on the deck or immerse yourself in the tranquil space in a cozy cabin.

Other notes for a perfect trip to Halong Bay in October
Above is detailed information about Halong Bay weather in October and some interesting water activities that you should try. Hopefully your October trip to Halong Bay will be full of beautiful memories. To find the best cruise in Halong Bay in October, you can go to our website: halongbay.tours to search for one perfect tour with an ideal offer.
7. FAQ
Is the weather in Halong Bay in October hot?
The weather in Halong Bay in October is generally not considered hot. It offers a pleasant transition into autumn with comfortable temperatures. The average temperature in Halong Bay in October typically ranges from 21.8°C to 27°C during the day. This mild and cool climate, along with less intense sunshine and a comfortable sea temperature, makes October an ideal time for outdoor activities and exploring the bay without the heat and humidity of the summer months.
Is Halong Bay in October during the peak season?
Yes, October is considered the early part of the peak season for international tourists in Halong Bay. The pleasant weather, with cool air, mild sunshine, less rainfall, and comfortable sea temperatures, makes it an attractive time to visit. While it might not be as crowded as the absolute peak months of December and January (which coincide with Christmas and New Year), you can expect a noticeable increase in tourist numbers compared to the low season. It's advisable to book accommodations and tours in advance for travel during October.
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