The weather and temperature of Halong Bay vary according to the seasons. It is therefore essential to know the time of your trip in order to predict the weather conditions and pack the appropriate clothing.
In this article, I offer you a detailed guide to the climate and temperatures of Halong Bay and its impact on your experience.
Overview of Halong Bay
Halong Bay, a natural collection of more than 1,600 limestone islands and islets, is renowned for its aesthetic and geomorphological values.
Its unique landscape of towering cliffs, picturesque beaches, tranquil fishing villages and hidden caves attracts millions of tourists, both domestic and international, every year.
In Summary
- General climate : hot and humid
- Four seasons :
- Spring : soft and pleasant
- Summer : hot and rainy
- Autumn : cool and dry
- Winter : cold and dry
Seasons in Halong Bay
1. Spring (March – April)
- Temperature : 20°C – 24°C
- Humidity : 50% – 70%
- Precipitation : approximately 30mm
Spring is the ideal time to explore the bay, with mild temperatures and generally clear skies. Although there may be some drizzle, extreme weather events are rare.
Advice :
- Bring light clothes for the days and a sweater for the evenings.
- Be aware of public holidays, such as Lunar New Year, which may result in crowds.
2. Summer (May – August)
- Temperature : 27°C – 36°C
- Humidity : 60% – 80%
- Precipitation : 60 – 90mm
Summer is the hottest and rainiest season. The months of May and June remain pleasant for water activities, but from July onwards, temperatures can reach high levels, accompanied by storms and typhoons.
Advice :
- Bring sunscreen and sunglasses to protect yourself from UV rays.
- Bring a raincoat or umbrella for sudden downpours.
3. Autumn (September – October)
- Temperature : 22°C – 25°C
- Humidity : 50% – 60%
- Precipitation : approximately 20mm
Autumn is often considered the best season to visit Halong Bay. Temperatures become cooler and the air is clean after summer rains, making outdoor activities especially enjoyable.
Advice :
- Bring your camera to capture the beauty of the landscapes.
- Book your accommodation in advance, as it is peak tourist season.
4. Winter (November – February)
- Temperature : 16°C – 20°C
- Humidity : < 60%
- Precipitation : 10 – 15mm
Winter is divided into two phases: the beginning, which is cool and dry, and the January period, when the cold intensifies. Misty mornings add a mystical atmosphere to the bay.
Advice :
- Bring warm clothing, especially in January, when temperatures can drop below 10°C.
- Avoid traveling during the holiday season to avoid crowds and high prices.
Conclusion
Each season offers a unique experience in Halong Bay. By planning your trip according to the weather conditions, you will be able to fully enjoy this natural wonder and experience unforgettable moments.